baber/WOPTO huggingface dataset:
Patent CA-2334112-A1 (CA)
Inventor: IRWIN WILLIAM JAMES
IPC: B21D17/02
Filed: 1999-06-07
Abstract: A pipe crimping apparatus comprises holding means (10) to externally engage and hold a joint to be crimped. The holding means (10) has a concavity in which a part cylindrical plate member (14) is secured, the concavity and pla te member defining a part cylindrical clamping zone. One pair of crimping arms (16) is pivotally mounted on the holding means (10). Each arm (16) is movabl e relative to the clamping zone. Means (22) are provided to cause movement of the arms (16) relative to the clamping zone wherein the arms (16), in a crimping movement, extend radially into the clamping zone to engage a joint,  and impress by indentation portions of an outer socket end onto an inner spigot end to secure same together.
Patent CA-2336067-A1 (CA)
Title: Angular position indicator for cranes
Inventor: BILODEAU THOMAS DANIEL
IPC: B66C13/46
Filed: 2001-02-15
Abstract: An angular position indicator for cranes which uses a combination of electronic, optical and mechanical components.      It is intended for use on fixed or mobile Cranes and designed to operate in harsh industrial environments. Wireless communication replaces fixed electrical hardwiring that would otherwise be required between system components. The angular position indicator uses an angular displacement transducer of unique design. The angular position indicator performs pattern recognition of optical apertures using analog measurements of the illumination of optical detectors. The design allows for a substantial increase in measurement resolution as compared to digital optical encoders with the same number of optical channels.
Patent CA-2337189-A1 (CA)
Inventor: MAITLAND DUNCAN J
IPC: A61B19/00
Filed: 1999-07-01
Abstract: On décrit un système qui libère un matériau cible tel qu'une spire métallique (13) pour embolisation d'un polymère (12) à mémoire de forme situé à l'extrémité d'un cathéter (11) à l'aide d'un dispositif optique prévu pour libérer le matériau. Le système comprend un laser (18), un circuit de commande du laser (19), un panneau de visualisation (19), un photodétecteur (27, 28), un coupleur de fibres optiques (24), des fibres optiques (21, 22) et des connecteurs (23, 24), un cathéter (11) et un dispositif de préhension à base de polymère à mémoire de forme (PMF) (12), ainsi qu'un dispositif détectant la libération et assurant la rétroaction. Le dispositif de préhension à base de PMF (12) est chauffé par la lumière du laser acheminée par fibre optique (11', 14'), ceci induisant le dispositif de préhension (12) à libérer un matériau cible (par exemple une spire métallique (13) pour embolisation destinée au traitement thérapeutique des anévrismes). On décrit plusieurs formes de réalisation qui permettent de coupler la lumière laser dans le PMF (12), ces dernières consistant à positionner de manière spécifique les spires (13), à éliminer la gaine optique au voisinage immédiat de la spire, le revêtement métallique présent sur le PMF, à doper le PMF avec un colorant absorbant le gradient, à réduire ou effiler l'extrémité de la fibre optique, à recouvrir le PMF d'un matériau à faible indice de réfraction, et à placer un élément rapporté entre la fibre optique et la spire.
Patent CA-2338402-A1 (CA)
Title: Composite gutter guard
Inventor: DAVIS HARRY H
IPC: E04D13/076
Filed: 2001-02-20
Abstract: A composite gutter guard is adapted for being positioned at an opening of a longitudinally extending, generally U-shaped gutter used for collecting and distributing rainwater runoff from the roofs of residential homes and other buildings. The gutter guard includes an elongate polymer guard panel defining a plurality of spaced filter openings. The guard panel is adapted to extend laterally across the opening of the gutter and longitudinally along the length of the gutter.  A polymer-coated mesh layer overlies the guard panel in an area of the filter openings and cooperates with the guard panel to capture and separate debris from rainwater runoff entering the gutter. A heat weld connects the mesh layer to the guard panel.
Patent CA-2340734-A1 (CA)
Inventor: MARVANYOS EDE
IPC: C07D413/04
Filed: 1999-12-07
Abstract: The invention relates to (-)-5,6-dihydro-5-[(1-piperidinyl)-methyl-3-(3-pyridyl}-4H-1,2,4-oxadiazine to the therapeutical use thereof and to pharmaceutical compositions containing the compound as active ingredient.
Patent CA-2345140-A1 (CA)
Title: Method for producing highly pure monoethylene glycol
Inventor: HASSE HANS
IPC: C07C29/80
Filed: 1999-09-21
Abstract: The invention relates to a method for obtaining highly pure monoethylene glycol from the product of hydrolysis of ethylene oxide by distillation, by means of dehydration under pressure, preferably in a cascade, vacuum dehydration and subsequent pure distillation. According to the inventive method, the pressure dehydration column or at least the first pressure dehydration column of the cascade (2, 3, 4) has a stripping section with at least one separation stage, preferably 2-10 separation stages, especially 3-6 stages, and in that part of the top flow of the dehydration column(s) (2, 3, 4) is sluiced out with the stripping section.
Patent CA-2346764-A1 (CA)
Title: Thermochromic devices
Inventor: OGBURN PAUL H
IPC: C03C17/42
Filed: 1999-10-15
Abstract: A thermochromic device comprising: a light transmitting substrate, at least one thermochromic material which changes reversibly from less light energy absorbing to more light energy absorbing as its temperature increases, at least one material with residual light energy absorbing character.
Patent CA-2350551-A1 (CA)
Inventor: JUNGER PETER J
IPC: G06Q40/00
Filed: 1999-11-10
Abstract: A product registration system for verifying product returns. The system stores product and return policies information on purchased product in central computer system (14). Registration information on purchased products sold at terminal (2) of local retailer (6) are transferred to the retailer's local database (8). When a product is being returned an operator terminal (11) is used by a store clerk to locate pertinent sales information in the local database (8). A communication channel (12) is provided between the retailer computer system (6) and a central computer system (14) which stores product transactions and product registration data for a number of different retailer computer systems (6) and other manufacturers. Compliance with return policies are checked prior to accepting a product for return.
Patent CA-2350741-A1 (CA)
Title: Top loading washing machine
Inventor: HUNTER GORDON SHARPE
IPC: D06F33/02
Filed: 1999-11-09
Abstract: A laundry washing machine has a cabinet (2) and a drum (1) suspended within the cabinet for rotation about a horizontal axis. The drum (1) includes a pair of drum ends with a pair of vanes (110, 111) extending between the drum ends (11, 12) rigidly connecting the drum ends together. The drum (1) has a substantially cylindrical perforated skin (22) having a main section (34) and a hatch section (35). The main section (34) and hatch section (35) connect along the edges to form the complete drum skin. In an opening operation the drum (1) is opened by disconnecting the edges of the main section (34) and hatch section (35) of the drum skin (22), retaining the hatch section (35) in a fixed position relative to the cabinet (2) and rotating the drum (1) such that the main section (34) of the drum skin (22) moves apart from the hatch section (35) to provide an opening into the drum. The opening is provided in conjunction with an opening into the cabinet, normally closed by a lockable lid (4). The cabinet (2) may comprise a rectangular folded up wrapper (32) together with a water collecting tray (28) fitting within the lower end (33) of the rectangular wrapper. Laundry load guiding flaps (18, 19) are disclosed which hide from view the spaces between the drum (1) and the cabinet (2) with the lid (4) open and the drum (1) in its open condition. These flaps also provide laundry guiding and scraping functions during the opening and closing operations.
Patent CA-2354633-A1 (CA)
Title: Brake lamp illumination on a trailer by sensing wheel speed deceleration
Inventor: SMIDLER FRANCIS S
IPC: B60Q1/44
Filed: 2001-08-02
Abstract: A  brake lamp illumination system for a trailer senses when the speed of the wheels decreases. If the system detects such a deceleration, the system senses whether power has been supplied to illuminate brake lamps provided on the vehicle. If no power is detected in the circuit which supplies power to the brake lamps, power is directed to the circuit to illuminate the brake lamps.
Patent CA-2354882-A1 (CA)
Title: Body fluid absorbent panel for sanitary wearing article
Inventor: YAGOU TOSHIYA
IPC: D04H1/425
Filed: 2001-08-08
Abstract: A body fluid absorbent panel including openings and a barrier which comprises, in turn, a shape keeping layer formed with a plurality of thermoplastic synthetic resin fibers and a body fluid retaining layer formed with a plurality of thermoplastic synthetic fibers mixed with an absorbent material, wherein the synthetic resin fibers are hot welded together at contact points of these fibers in the shape keeping layer as well as in the body fluid retaining layer and the synthetic resin fibers of these layers are hot welded together at contact points of these fibers along an interface of the shape keeping layer and the body fluid absorbent layer.
Patent CA-2358023-A1 (CA)
Title: Object sensing system for use with automatic swing door
Inventor: SASAKI SHIGEAKI
IPC: E05F15/20
Filed: 2001-09-27
Abstract: An object sensor for use with an automatic swing door includes a light emitter, which is mounted on a door surface of the automatic swing door. The light emitter emits a light beam toward a floor. A distance detector is mounted on the door surface. The distance detector receives the light beam reflected from an object and develops an output signal having a value representing the distance of the object from the distance detector. A control unit makes a judgment based on the value of the output signal of the distance detector as to whether the object is approaching the door surface. The control unit stores the value of the distance detector output signal representing the distance between the distance detector and the floor, as a reference value. A dead zone is defined for the reference value to extend from the floor to a predetermined distance above the floor. When the value of the distance detector output signal is outside the dead zone, the control units judges the object to be approaching the door surface.
Patent CA-2360125-A1 (CA)
Inventor: ZRONEK STEVEN CHARLES
IPC: C08G63/84
Filed: 2000-01-28
Abstract: A process for preparing a 1,3-propanediol-based polyester in which a carbonyl-containing 1,3-propanediol stream is purified for reuse of the 1,3-propanediol. The process involves reacting, under condensation polymerization conditions, terephthalic acid and a molar excess of 1,3-propanediol, with distillation and condensation of a major portion of the unreacted 1,3-propanediol. To this condensed stream is added a sufficient amount of base to raise the pH to a value greater than 7, and from this base-containing condensate the 1,3-propanediol is distilled and recycled to the polymerization reaction.
Patent CA-2360289-A1 (CA)
Title: Unlined waterproof clothing
Inventor: BLAUER STEPHEN J
IPC: A41D31/02
Filed: 2001-10-26
Abstract: A well styled, single layer shell jacket is waterproof and windproof, yet possesses the various characteristics of conventionally comfortable clothing, and permits the stitching of emblems thereon without impairing waterproof and windproof characteristics. A seam of stitching joins each pair of the contiguous edges of adjacent sections of this jacket. Superposed on the waterproof and windproof fabric of each sleeve and forming a pocket thereon is a superposed upper patch, which appears to be a continuation of the yoke and the edges of which are joined to the sleeve by seams of stitching. In the patch is a zipper or other closure. This closure, when opened, permits entry into the pocket and sewing of an emblem or the like on the patch without affecting the waterproof and windproof construction of the remainder to the jacket. This closure, when closed, permits easy access to gloves, eye wear, medicines, or other items stored in the pocket. The opposed bands that carry the mating elements of each zipper, are composed of a waterproof plastic, and are fastened in position by lines of stitching. Waterproofing strips of thermoplastic tape seal all of the aforementioned lines of stitching.
Patent CA-2360982-A1 (CA)
Title: Polling using multiple dynamically update lists
Inventor: SIMBIRSKI WALTER
IPC: H04L12/56
Filed: 2001-11-02
Abstract: A method for polling a plurality of wireless modems from a base station in which the base station individually polling all of the modems and forming at least two lists such that each modem is identified on only one discrete list based upon its behavior in response to the polling. Thereafter, the modems identified on each discrete list are polled at a rate that may differ from the rate at which the modems identified on any other list are polled and the lists are updated dynamically based upon the behavior of the modems polled in response to the last polling.
Patent CA-2362041-A1 (CA)
Inventor: OWENS STEVEN C
IPC: E21B47/09
Filed: 2001-11-08
Abstract: A method is provided which, in an embodiment described herein, permits a location and/or displacement of a cementing plug to be determined during a cementing operation. In this embodiment, one or more pressure pulses are transmitted through displacement fluid being used to pump the plug through the casing string. The pressure pulses are reflected off of the plug and received by a pressure sensor. Information regarding the timing of the reflected pressure pulses may be used to determine the location and/or displacement of the plug.
Patent CA-2362108-A1 (CA)
Title: Access valve devices, their use in separation apparatus, and corresponding methods
Inventor: DAVIS JOHN
IPC: B01D15/08
Filed: 1995-10-03
Abstract: The separation process is for separating a target component from a liquid incorporating the target component with other components. It comprises the steps of providing a bed of particulate packing medium; flowing liquid upwardly through the bed of particulate packing medium; through a restricted-permeability element and through a process outlet, to expand the bed in the bed space and effect separation of the target component from the liquid through retention by the particulate packing medium; opening a clearing outlet communicating directly with the bed space, at or adjacent the restricted-permeability element; and forcing a clearing flow of fluid relative to the restricted permeability element to disturb the particulate matter which has accumulated against it, and causing said matter to pass out of the bed space through the clearing outlet.
Patent CA-2363127-A1 (CA)
Inventor: BIENICK CRAIG
IPC: F25D25/02
Filed: 2001-11-16
Abstract: A refrigerator shelf is defined by a glass shelf panel bounded by an integral, injection molded, substantially homogeneous, one-piece frame of polymeric/copolymeric plastic material. The frame includes two thin spaced depending peripheral walls spanned by a plurality of spaced reinforcing webs effecting rigidifying of the frame to afford the shelf appreciable weight bearing and anti-torquing characteristics. A pair of identical relatively broad hooks each including a plurality of vertically extending parallel reinforcing ribs are utilized for interlocking the shelf to relatively broad horizontally aligned openings in a refrigerator inner liner.
Patent CA-2363750-A1 (CA)
Title: Increasing click through rates of internet banner advertisements
Inventor: AUXIER ROBERT
IPC: G06Q30/00
Filed: 2000-03-06
Abstract: A system and method for increasing click-through rates of Internet banner advertisements is enabled through the delivery of banner ads (310) having a user interactive gaming function. In one embodiment, the user interactive gaming function is implemented as an Internet scratch-off game. The gaming function (314) on the banner ad is completed by the user upon the interaction at a merchant web site. A transfer (316) to the merchant's web site is accomplished using a uniform resource locator request that includes game state information (318). Automatic transfers to a merchant web site (320) can also be effected based upon indications of user interaction with an interactive portion of a banner ad.
Patent CA-2366022-A1 (CA)
Title: Intrastromal corneal modification
Inventor: GHOLAM PEYMAN
IPC: A61F9/008
Filed: 2000-03-01
Abstract: This invention is a method for modifying the curvature of a live cornea (12)  to correct a patient's vision. First, at least one relatively small opening is made in the cornea for inserting a fiber optic cable or mirco-cutting tool therein to create a pocket or cavity with first, and second opposed internal  surfaces. The laser beam (22) or mirco-cutting tool can be directed onto one  of the first, the second internal surfaces, or both, if needed or desired to  incrementally, and sequentially ablate or remove three-dimensional portions of the cornea. If a laser beam is used, then a flexible template can be inserte d into the opening in the cornea for accurately controlling the pattern to be ablated within the cornea. Preferably, the live cornea is then left alone to  collapse, and obtain its new refractive power by waiting a set period of tim e. After waiting the set period of time, the cornea is then examined to determined the new refractive power of the cornea.
Patent CA-2366432-A1 (CA)
Title: Extrusion die for increasing and distributing the uniform velocity profile of foamed plastic melt across the die open area
Inventor: GROSSI VICTOR M
IPC: B29C48/305
Filed: 2002-01-02
Abstract: The present invention provides a portion of a die assembly (20) for use in the extrusion of foamed polystyrene. The die assembly includes a first plate (21), a second plate (22), and an insert (23). The first plate has an upstream face (24), a downstream face (25), and a first opening (26) extending between the two first plate faces. The walls (28) of this opening are divergent in a downstream direction. The second plate has an upstream face (29) arranged to abut the first plate downstream face, a downstream face (30), and a second opening (31) extending between the second plate faces and communicating with the first opening. The second opening is bounded by non-divergent walls (32). The insert has a forward marginal end portion mounted on the first plate in the first opening, and has a rearward marginal end portion arranged in the second opening The insert has a leading edge (33) that is spaced substantially equidistantly from the first opening walls in the vicinity of the first plate upstream face by a distance (D), and has a rear edge (34). The rear edge has a transverse cross-section configured and arranged such that a distance between adjacent portions of the rear edge and between the rear edge and the second plate opening walls in the vicinity of the second plate downstream face is no more than a predetermined distance (d). The velocity profile of foamed polystyrene passing sequentially through the first and second plate openings is increased in length or amplitude and distributed substantially uniformly across the trans-verse cross-sectional area of the second plate opening in the vicinity of the insert rear edge.
Patent CA-2366450-A1 (CA)
Title: Process for purifying bayer process streams
Inventor: SPITZER DONALD P
IPC: C01F7/47
Filed: 2000-02-25
Abstract: A process for reducing the level of colloidal iron in a Bayer process stream comprises intermixing an amidoxime polymer with a Bayer process stream and separating the resultant polymer-iron complex to provide purified sodium aluminate solution.
Patent CA-2370193-A1 (CA)
Title: Package for multiple sutures
Inventor: SCANLON CHRISTOPHER M
IPC: A61B17/06
Filed: 1991-11-04
Abstract: A suture package is disclosed which is formed of a first row of a plurality of panel members of substantially similar shape foldably connected to each other and arranged o fold upon each other to form at least three individual suture compartments between paris of adjacent panel members, each compartment being arranged to accommodate at least one flexible suture therein, and a second row of a plurality of panel members connected to one panel of a first row of panel members, a second row of panel members foldably connected to each other and foldable independent of a first row, a second row of panel members further being foldable in a manner to substantially enclose a first row of panel members folded upon each other.
Patent CA-2371244-A1 (CA)
Inventor: DAGAN IDO
IPC: G06F17/30
Filed: 2000-02-25
Abstract: A system that includes a processor associated with a memory and display for dynamically presenting set of documents to users. The memory is configured t o store a predetermined hierarchy of indexing concepts and is configured to store a set of documents. The processor is configured to provide hierarchica l display of the indexing concepts. The indexing concepts are associated with the set of documents. The processor is further configured to apply the following as many times as required: determining a subset of documents by utilizing the hierarchical display thereby rendering it organized document subset, defining at least one indexing concept in the hierarchical display s o as to constitute an "organizing" concept, and providing an organizing hierarchical display of indexing concepts, wherein the root of the organizin g hierarchical display is the organizing concept, wherein concepts in the organizing hierarchical display are associated with the organized document subset.
Patent CA-2373609-A1 (CA)
Title: Method for improving heat efficiency using silane coatings and coated articles produced thereby
Inventor: GEDEON ANTHONY A
IPC: C09D183/14
Filed: 2001-02-08
Abstract: Oligomeric silane coating compositions containing, for example, methyltrimethoxysilane, are used to coat new or used heat exchange apparatus , such as HVAC systems, to greatly improve the heat transfer efficiency and prevent or inhibit corrosion. These oligomeric coating compositions are able  to fill microvoids in the heat exchange surfaces, and penetrate into the microcavities at the interface of swaged or force fit surfaces, such as fins  and tubes. The oligomeric silane coating compositions are highly active and will form bonds not only with the metal and metal oxides of the heat transfe r surfaces, but will also displace gasses or liquids at the heat transfer contact surfaces and form chemical and/or hydrogen bonds with the oxides and  chemical impurities. By so doing, a parallel heat transfer pathway is formed . The applied coatings may be as thin as only a few millionths of an inch and will fill microcavities to a depth of up to about 2000 nanometers. The coate d heat transfer surfaces are non-adherent to deposition of soils and microorganisms and, therefore, are easier to maintain and are environmentall y safe for use to heat/cool inhabited structures.
Patent CA-2375077-A1 (CA)
Inventor: MC DONOGH RICHARD
IPC: B01D71/36
Filed: 2000-05-31
Abstract: Oleophobic and hydrophobic filters for filter venting applications are made by forming a polydimethylsiloxane coating on the surface of a filtration substrate. The filters have high water penetration pressures and high air permeabilities. The coatings are formed by polymerizing vinyl terminated siloxane with a crosslinker such as hydrosilicone in the presence of a catalyst. Alternatively, the coatings can be formed by heat curing after exposing the substrate to methyl silicone and crosslinking at high temperatu re.