baber/WOPTO huggingface dataset:
Patent CA-2314322-C (CA)
Title: Optical switch and protocols for use therewith
Inventor: WANG GUO-QIANG
IPC: H04B10/291
Filed: 2000-07-21
Granted: 2007-01-30
Abstract: A method of establishing a data connection between terminal switching nodes in a network and switching nodes for implementing the method. The method involves switching nodes participating in a network layer wavelength routing (WR) protocol to determine the next hop switching node for every possible combination of terminal nodes based on the network topology. The method also involves the switching nodes participating in a network layer wavelength distribution (WD) once the data connection is to be established. The WR protocol determines the path used through the network, while the WD protocol assigns wavelengths on each link between switching nodes. The wavelengths may be different on different optical links. The switching nodes include wavelength converters with an optical switch or optoelectronic converters with a digital electronic switch. A digital electronic switch can also provide signal reformatting. Advantages of using potentially different wavelengths along various segments of a single end-to-end connection yields increased wavelength efficiency.
Patent CA-2317605-C (CA)
Inventor: DELMORE MICHAEL D
IPC: B65D75/30
Filed: 1998-07-07
Granted: 2007-05-01
Abstract: The present invention is directed to a cold seal package (10) that includes constructions wherein two substrates (12, 18) or two portions of one substrate, are sealingly engaged to one another using a substantially natural latex rubber-free contact adhesive (14, 16). The two substrates can be easily peeled apart without substantial damage to the substrates. Furthermore, the substrates cannot typically be resealed, or refastened, once peeled apart. That is, the cold seal formed by the adhesive between the substrates is substantially non-refastenable. Advantageously, a cold seal package of the present invention is particularly well suited for aseptic delivery of packaged goods, such as bandages, dressings, and the like.
Patent CA-2320592-C (CA)
Title: Belt tensioner apparatus
Inventor: COSTANZA DANIEL W
IPC: G03G15/00
Filed: 2000-09-20
Granted: 2003-03-18
Abstract: A non-resilient belt tensioning mechanism monitors and maintains tension in a photoreceptor belt. The belt tensioning mechanism causes one of at least a pair of rollers, around which a photoreceptor belt is entrained, to exert pressure against the photoreceptor belt to apply and maintain substantially constant tension in the belt.
Patent CA-2321554-C (CA)
Inventor: MOWER MORTON M
IPC: A61N1/362
Filed: 1999-03-04
Granted: 2004-05-25
Abstract: An anti-reentry apparatus and method for reverting ventricular arrhythmias. Biphasic stimulation is applied at multiple ventricular sites to revert arrhythmias caused by reentry, particularly multiple random reentry. In the preferred embodiment, the first phase of biphasic stimulation is anodal, and is at a maximum subthreshold amplitude. The anodal phase preconditions the myocardium to accept the second phase (cathodal) such that less electrical energy is required to reach the threshold amplitude to produce depolarization. The anodal phase stimulation may have a shape over time that is square wave, ramped, or a series of short square wave pulses. Multiple electrodes located at multiple ventricular sites may be stimulated simultaneously, or they may be sequentially stimulated over time in a manner mimicking the normal progress pattern of cardiac depolarization. The multiple ventricular electrodes may stimulate from internal or external surfaces. One or both ventricles may receive biphasic stimulation from multiple electrodes. The invention also may be practiced with respect to atria.
Patent CA-2327015-C (CA)
Title: Snow melting device
Inventor: SMITH KENNETH G
IPC: E01H5/10
Filed: 2000-11-22
Granted: 2005-04-12
Abstract: A hand-propelled self-contained electrical snow-melting device which has a movable frame on which is mounted an enclosure formed by a bottom heat-conductive plate and an upper cover. An electrical heater is positioned within the enclosure and a portable electrical power supply is supported by the device and is connected to the heater.
Patent CA-2340238-C (CA)
Inventor: LUNDGREN ANNA
IPC: A61J1/06
Filed: 1999-08-24
Granted: 2009-01-06
Abstract: L'invention concerne un emballage primaire destiné à contenir des inhibiteurs de thrombine à base de peptides de faible poids moléculaire, cet emballage étant hermétiquement fermé au moyen d'un bouchon en caoutchouc ou d'un piston plongeur contenant du bromobutyle.
Patent CA-2341269-C (CA)
Inventor: ROWE CARROLL G
IPC: A62C5/02
Filed: 1998-09-04
Granted: 2007-05-01
Abstract: Apparatus for generating foam for use in fire fighting having two plates (50, 60) housed in a chamber (10) which respectively introduce pressurized air and a water/surfactant solution between the two plates (50, 60) where foam is generated and emitted from an aperture (40) on the side of the chamber (10). The pressurized water/soap solution enters the chamber (10) through an orifice (52) in one plate (50). Pressurized air enters the chamber (10) through a number of channels (64) bored through the other plate (60), such channels (64) appearing in an annular groove (63) which circumscribes the water inlet (52). The restricted area (70) balances the pressure between the incoming water and the incoming air by achieving an equilibrium at some particular radius out from the center of the two plates (50, 60). The apparatus also includes a pressure regulating system (182) that automatically cuts off the flow of pressurized water and a ir when the foam dispensing nozzle (174) is turned off.
Patent CA-2345768-C (CA)
Inventor: GLADNEY RICKY F
IPC: A47C27/05
Filed: 1999-09-28
Granted: 2007-11-27
Abstract: L'invention concerne un ensemble matelas qui renferme un coeur de matelas (10), présentant une structure unitaire constituée d'un ou plusieurs matériaux compressibles souples et définissant une surface portante généralement plane (16).
Patent CA-2349112-C (CA)
Title: Directional drill for railway drilling and method of using same
Inventor: STENE BERNIE A
IPC: E21B7/04
Filed: 2001-05-28
Granted: 2008-04-29
Abstract: A directional drill for transport via rail tracks and railwheels associated with the directional drill to an operating location. The directional drill has a first frame associated with a set of pneumatic tires for movement of the directional drill onto and off of the tracks and, when removed from the tracks, for movement to the operating location. A second frame is rotatably attached to the first frame and allows the drilling configuration of the second frame to be more nearly horizontal relative to the first frame. Hydraulic lines move during drilling and are maintained in a predetermined configuration to reduce vibration and chaffing.
Patent CA-2349384-C (CA)
Inventor: RICHTER JACOB
IPC: A61F2/915
Filed: 2001-05-31
Granted: 2009-11-17
Abstract: A serpentine coiled ladder stent is provided, in which the coil is formed from a wound strip of cells, wherein the sides of the cells are serpentine. Thus, the stent is comprised of a strip helically wound into a series of coiled windings, wherein the strip is formed of at least two side bands connected to each other, for example by a series of cross struts. The cross struts may be positioned slightly askew. Each side band is formed in a serpentine pattern comprising a series of bends, wherein upon expansion of the stent, the bends of the side bands open to increase the length of each of the individual cells in the helical direction, thereby lengthening the strip in the helical direction to allow the stent to expand without any significant unwinding of the strip.
Patent CA-2358639-C (CA)
Title: Pulsed airknife control for a vacuum corrugated feed supply
Inventor: DOBBERTIN MICHAEL T
IPC: B41L21/08
Filed: 2001-10-11
Granted: 2006-12-19
Abstract: A method of operating a vacuum corrugated belt feeder with positive air pressure separator during a feed cycle wherein the vacuum and the positive pressure air are controlled by a vacuum valve and a positive air pressure valve respectively, wherein the paper is taken away by a belt which is activated when a feed clutch is energized, comprising actuating the vacuum at the start of the feed cycle and de-actuated the vacuum when the feed clutch is de-energized, and pulsing the positive air pressure separator by actuating and de-actuating the positive air pressure separator during the feed cycle.
Patent CA-2359255-C (CA)
Title: Means for coupling conduit
Inventor: PRESBY DAVID W
IPC: F16L25/00
Filed: 2001-10-18
Granted: 2009-01-06
Abstract: This invention relates to couplers for coupling conduit in end-to-end flow communication relationship. The coupler has at least two coupling members each having one end hingingly attached or attachable to one end of another of said at least two coupling members, and one of each coupling members having one end configured with a first cooperating attaching component and the other of each having one end configured with a second cooperating attaching component. There may also be a pressure producing element which increases coupling forces when said first and second cooperating attaching components are attached. There may also be corrugations in.the walls of one or all of the coupling members which fit within corrugations of corrugated conduit being connected. The inside diameter of the coupler, or means for coupling, is about equal to or greater than the outside diameter of the conduit being thereby coupled. More particularly this invention is a coupling member, a plurality of which may be used to couple conduit with small diameters and conduit with large diameters. The larger the diameter of the conduit the more coupling members are needed to so couple the conduit.
Patent CA-2365989-C (CA)
Title: Procede et dispositif permettant de manipuler une bande de papier ou de carton
Inventor: RANTANEN RAUNO
IPC: D21H23/50
Filed: 2000-03-10
Granted: 2008-05-20
Abstract: L'invention concerne un procédé qui permet de traiter une bande de papier ou de carton avec une substance mouillante ou bien de calandrer ladite bande avant la sécheuse à cylindres d'une machine à papier ou à carton, en maintenant la teneur en solides de la bande très basse, généralement entre 10 et 60 %. Il est possible de transporter la bande, si on le souhaite, de manière totalement supportée depuis la section table plate de la machine jusqu'à la bobineuse, tout en conservant les bénéfices, en termes de qualité, dus à la réduction contrôlée de la teneur en humidité de la bande et en déshydratant cette dernière. La bande est transportée supportée par une courroie de transport (9) de façon à passer à travers au moins un dispositif de traitement de surface, tel qu'un poste de couchage (S1B) ou une calandre, avant d'arriver au premier groupe de cylindres sécheurs (1) de la machine. Une ligne de contact (11, 13) supportée par une courroie de transport (9) permet d'effectuer simultanément la déshydratation et l'application d'une substance de traitement sur la bande. La ligne de contact d'essorage (11, 13) peut être formée entre une courroie de transport (9) et la table (2) de la section table plate ou le feutre (14) de la section presse.
Patent CA-2366924-C (CA)
Inventor: BRONFIN BORIS
IPC: B22D21/00
Filed: 2002-01-04
Granted: 2011-05-24
Abstract: A magnesium based alloy containing at least 86 wt% Mg; 4.8 to 9.2 wt% aluminum, 0.08 to 0.38 wt% manganese, 0.00 to 0.9 wt% zinc, 0.2 to 1.2 wt% calcium, 0.05 to 1.4 wt% strontium, and 0.00 to 0.8 wt% rare earth elements. The alloy may also comprise up to 0.02 wt% zirconium and up to 0.001 wt% beryllium.
Patent CA-2374903-C (CA)
Inventor: MOYA EMMANUEL G
IPC: B04C5/10
Filed: 2000-05-23
Granted: 2009-02-24
Abstract: La présente invention concerne un séparateur centrifuge (10) constitué d'une colonne de séparation (11) définissant une extrémité supérieure pourvue d'une fermeture (30), une extrémité inférieure, un axe central (13), et une paroi interne cylindrique (12) centrée sur l'axe (13). Cette paroi interne cylindrique (12) forme une chambre de séparation jouxtant par son extrémité inférieure une chambre de recueil. Une paroi annulaire de chambre de réception (36) entoure la colonne de séparation (11) jouxtant l'extrémité supérieure, formant ainsi une chambre de réception annulaire. Une buse d'admission (37) débouche tangentiellement dans la chambre de réception de façon à y injecter le courant chargé de solides et de liquide et à former un courant d'écoulement circulaire. Une pluralité de fentes axiales distribuées radialement traversent la paroi de la colonne de séparation (11) de façon à créer une liaison entre la chambre de réception et la chambre de séparation. Les fentes sont réunies en une pluralité de rangées axiales comprenant une pluralité de fentes distribuées selon une angulation régulière.
Patent CA-2377118-C (CA)
Inventor: MOADY MARZOOK
IPC: A61K9/06
Filed: 1997-03-19
Granted: 2003-11-11
Abstract: A psoriasis treatment composition derived from the plant Asphodelus Microcarpus includes 3-methylanthralin, chrysophanol, aloe-emodin, aloe-emodin monoacetate, and/or derivatives thereof.      The composition is prepared by extracting a liquid from the Asphodelus Microcarpus root and mixing the liquid with acetic acid. A method of treatment includes applying the composition to an affected area of skin at a frequency sufficient to effect an alleviation of symptoms, typically once per day for 14-56 days.
Patent CA-2381686-C (CA)
Inventor: THEURER JOSEF
IPC: E01B29/10
Filed: 2002-04-10
Granted: 2006-12-12
Abstract: Before renewing a damaged sleeper of a track, a respective fastener (35) having a contact nose (51) provided for application onto a rail base (52) is inserted into a mounting hole (49) in both sections, respectively adjoining the rail base (52) of a rail (23), of a base plate (39).      Thereafter, the fastener (35) is welded to the base plate (39) so that the latter remains in its correct position with respect to the rail (23) during the sleeper renewal operation. Alternatively, the fastener (35) may be a magnet (57) temporarily connecting the base plate (39) to the rail base (52).
Patent CA-2385325-C (CA)
Title: Chlamydia antigens and corresponding dna fragments and uses thereof
Inventor: MURDIN ANDREW D
IPC: A61K35/76
Filed: 2000-09-15
Granted: 2012-04-10
Abstract: The present invention provides a method of nucleic acid, including DNA, immunization of a host, including humans, against disease caused by infection by a strain of Chlamydia specifically C. pneumoniae, employing a vector containing a nucleotide sequence encoding OMP (outer membrane protein) of a strain ofChlamydia pneumoniae and a promoter to effect expression of the OMP  (outer membrane protein) gene in the host. Modifications are possible within the scope of this invention.
Patent CA-2393063-C (CA)
Title: Force-transmission unit comprising speed-dependent hydraulic clutch and centrifugal force compensation
Inventor: GRATZER FRANZ
IPC: F16D48/02
Filed: 2000-12-07
Granted: 2010-08-10
Abstract: The invention relates to a force-transmission unit, comprising a hydraulic clutch which is dependent on the difference in rotational speed. The unit has a housing (4) and is characterised in that a hydrostatic displacement machine (20) generates a pressure in a pressure chamber (34), if a difference in rotational speed occurs between the input member (1) and the output member (6), said pressure acting upon a piston (27) which impinges upon a friction clutch (31). In order to compensate the centrifugal force which acts upon the service fluid in the pressure chamber (34), at least one centrifugal force element (11, 12, 13) is located in the housing. Said element exerts a force on the piston (27), which opposes the pressure generated by the centrifugal force in the pressure chamber (34).
Patent CA-2394832-C (CA)
Title: A filter plate of a filter press
Inventor: GRAFEN KARL
IPC: B01D25/30
Filed: 2000-11-08
Granted: 2009-10-27
Abstract: The invention relates to a filter press for filtering suspensions that comprises a plurality of filter plates (1M, 1K) that can be displaced in parallel with respect to one another. In a filtering position, said filter plates can be compressed to a package that comprises a filter chamber (23) between respective two filter plates (1M, 1K), said chamber being provided with at least one filter cloth (7M, 7K). In a discharge position, adjoining filter plates (1M, 1K) can be moved apart by a discharge distance (3) so that the filter cake adhering to the filter cloth (7K) can be discharged. Every filter chamber (3) is correlated with at least one filling element (2) for feeding the suspension to the filter chamber (23). The aim of the invention is to prevent leakages in the zone of the peripheral sealing edge, to guarantee an unimpaired filter capacity during feeding and to facilitate operation of the filter press without an external supply line and outgoing connection lines. To this end, the filling element (2) is disposed on a joining piece (5) that extends outside a plate level and within a sealing edge (27) on the periphery of the filter plates (1M, 1K) and that can be linked with a filter plate (1M). In the filtering position, the filling elements (2) form a suspension supply channel (22) that extends through the filter plate package and are sealingly wedged between adjoining filter plates (1M, 1K).
Patent CA-2407460-C (CA)
Inventor: WOLFFE ALAN P
IPC: G16B50/00
Filed: 2001-04-27
Granted: 2013-06-25
Abstract: Methods and compositions of targeted modification of chromatin structure, within a region of interest in cellular chromatin, are provided. Such methods and compositions are useful for facilitating processes such as, for example, transcription and recombination, that require access of exogenous molecules to chromosomal DNA sequences.
Patent CA-2410709-C (CA)
Inventor: LUDVIGSEN CARL
IPC: A61F11/00
Filed: 2001-11-13
Granted: 2014-05-27
Abstract: An ear level electronic device comprising a housing adapted for wearing behind the ear, in the ear, or in the ear canal, encloses a music synthesizer for generation of an electrical signal representing music and an output transducer (3) for conversion of the electrical signal into sound. In the device, sound generators (16a-16e) are controlled by pseudo-random number generators generating sequences of self-similar numbers whereby music is synthesized that is surprisingly relaxing and comfortable to listen to.  Further, a music sequence generated by such a number generator is extremely long so that a person listening to the music does not have a perception of being listening to repeated music sequences.
Patent CA-2412200-C (CA)
Title: Concrete panel skirting system for manufactured homes and method for making the same
Inventor: IMUS RICHARD G
IPC: E04B1/343
Filed: 2002-11-20
Granted: 2010-02-16
Abstract: A system for skirting manufactured homes or similar buildings with modular concrete panels. The concrete panels are placed in edge-to-edge relationship about the perimeter of the building, and are secured to the rim joist by metal keys that interfit with adjoining edges of the panels. The lower edges of the panels are secure to the ground by cast-in tie-down straps through which stakes or other fasteners are driven. Each panel includes a wire rod reinforcement frame embedded in the concrete, and recessed areas for reducing weight. The panels may also include vent grills, flood vents and other openings. The panels are cast in pairs using a mold assembly having a stationary inner bulkhead and hinged outer bulkheads that pivot outwardly to release the panels when the concrete is set.
Patent CA-2412727-C (CA)
Inventor: MACIEJEWSKI EDWARD T
IPC: F27D1/04
Filed: 2001-06-04
Granted: 2007-08-14
Abstract: A rotary kiln (18) includes a novel air conveying system for delivering a supply of port air beneath the material bed of feed stock passing through th e interior of the kiln. The air conveying system includes an air inlet port (5 0) disposed in the shell of the kiln, a main air conveying channel (85) which communicates with the air inlet port, and a plurality of air vent channels (75) communicating with the main air conveying channel and the interior chamber of the kiln. The main air conveying channel (85) is formed integrall y in the refractory bricks which line the inner surface of the kiln shell and extends longitudinally and parallel to the rotary axis of the kiln. The air vent channels (75) extend through the refractory bricks substantially radial ly with respect to the rotary axis of the kiln.
Patent CA-2416803-C (CA)
Title: Method for preparing a fatty substance ester and use thereof in pharmaceutics, cosmetics or food industry
Inventor: BARRAULT JOEL
IPC: A23L33/11
Filed: 2001-07-18
Granted: 2011-01-04
Abstract: The invention concerns a method for preparing a fatty substance ester, characterised in that it consists in subjecting to an esterification reaction at least a fatty substance with at least an alcohol compound selected from the group consisting of sterols, stanols, 4-methylsterols and their hydrogenated homologues, triterpene alcohols and their hydrogenated homologues, and mixtures thereof, in the presence of at least a solid catalyst selected in the group consisting of lanthanide oxides and the mixtures of said oxides. Said method enables to obtain products particularly suited for use in the field of pharmaceutics, in particular dermatology, cosmetics and special food production (functional food products, medicinal food products and dietetic food products)
Patent CA-2417806-C (CA)
Title: New immunoeffector compounds
Inventor: JOHNSON DAVID A
IPC: A61K47/06
Filed: 2001-08-03
Granted: 2011-05-10
Abstract: This invention provides compounds containing a 2-deoxy-2-amino-.beta.-D-glucopyranose (glucosamine) glycosidically linked to a cyclic aminoalkyl (aglycon) group.  The invention further provides methods for inducing an immune response using the compounds of the present invention in the presence or absence of an antigen. In addition, methods for treating disease with compounds of the present invention with or without an antigen are also provided in this invention.   (see above formula)
Patent CA-2422812-C (CA)
Inventor: BAJAR DAVID
IPC: H04L12/58
Filed: 2001-08-29
Granted: 2013-11-12
Abstract: A system and method for redirecting data from a host system (or messaging server) to one or more mobile data communication devices via a wireless packet data network is provided in which the wireless packet data network dynamically assigns addresses to the one or more mobile data communication devices on an as-needed basis. A redirector application operating at the host system is configured by each user to continuously redirect certain data to the wireless packet data network, as the data is received (or otherwise altered) at the host system.  Two methods are provided for communicating the redirected data from the network to the mobile device. In a first method, the mobile device is configured to periodically contact a store-and-forward server within the wireless network, which, when contacted, assigns a network address to the mobile device and then transmits the stored, redirected data to the mobile device. In a second method, the network transmits a connection request command to the mobile device via a parallel voice network, or via a command channel, or other type of low-bandwidth data channel. The mobile device then contacts the data network and requests a network address so that the store-and-forward server can send the redirected data to the mobile device.