baber/WOPTO huggingface dataset:
Patent DE-19829863-A1 (DE)
Title: Dry etching reaction products are removed in a semiconductor device production process
Inventor: KINOSHITA TAKATOSHI
IPC: H01L21/306
Filed: 1998-07-03
Abstract: In a semiconductor device production process, adherent dry etching reaction products are removed by cleaning with a liquid medium containing sulfuric acid, hydrofluoric acid and optionally hydrogen peroxide solution.  A semiconductor device production process comprises (a) applying a resist pattern (4) on a silicon semiconductor specimen (1-3); (b) carrying out dry etching of the specimen using a reactive gas; and (c) removing adherent etching reaction product (6) from the specimen by cleaning with a first liquid medium containing sulfuric acid and hydrofluoric acid or a second liquid medium containing sulfuric acid, hydrogen peroxide solution and hydrofluoric acid. An Independent claim is also included for a semiconductor device produced by the above process. Preferred Feature: The etched material is single crystal silicon, polysilicon, amorphous silicon, silicide, polycide, silicon oxide, silicon nitride and/or silicon oxynitride.
Patent DE-19830359-A1 (DE)
Title: Spatial position and movement determination of body and body parts for remote control of machine and instruments
Inventor: ZWOSTA HELGE
IPC: G01C21/16
Filed: 1998-07-07
Abstract: Inertial three axis orientation measurement device (1.1) and position sensor are located on body part. Position sensor is positioned on reference body part. Signals from measurement device and sensor are fed to signal and data processing unit. Position and orientation of body part is determined relative to coordinate system defined on reference body part and source and orientation angle of coordinate system connected with body part or measurement device.
Patent DE-19834958-A1 (DE)
Title: Infinitely variable gearbox for industrial machinery and vehicles
Inventor: ISHIKAWA KOJI
IPC: F16H15/38
Filed: 1998-08-03
Abstract: An infinitely variable gearbox has a rotating shaft (15). A spherical cone shaft link (140) exists between the inner circumferential surface of a first disc, and the outer circumferential surface of a shaft intermediate section. A retention unit (150A) limits the movement of the balls in the spherical cone shaft link (140) on one inner face of the first disc inner circumferential surface. A section of limited diameter (151) is formed on the outer circumferential surface of the shaft intermediate section and between the first and second discs. The retention unit is fitted through the section of limited diameter. The retention unit and section of limited diameter are axially aligned and flush.
Patent DE-19842619-A1 (DE)
Title: General-purpose plastics box for transport and storage is cheap to manufacture, durable and adaptable during manufacture to different types of content
Inventor: NANTT-RENNET NICOLE
IPC: B65D6/14
Filed: 1998-09-17
Abstract: A rectangular box for e.g. storage and distribution is assembled from a folded pre-cut blank and has a base, four sidewalls with carry handles (31) at two ends. The box contents are secured within the box by a secondary frame consisting of two long sides (25) linked by cross-pieces (11). The internal sides (25) and crosspieces (11) are linked by cross-halving joints. The crosspieces also have tabs (18) which interlock with matching apertures (20) in the box sidewalls, and holding recesses (30) for the load. The box is made preferably of flat plastics hollow-chambered panel material.
Patent DE-19847603-A1 (DE)
Title: Arrangement for weight sensing on motor vehicle seat arrangement has weight sensor(s) mounted between upper seat and lower seat parts and offset with respect to pivot axis between upper and lower parts
Inventor: SINNHUBER RUPRECHT
IPC: B60N2/00
Filed: 1998-10-15
Abstract: The arrangement has at least one weight sensor (10,12) for a seat attached to the vehicle body (6) with a seat part and a back part and an evaluation device connected to the sensor. The seat part has a lower seat part (8) as a solid lower frame or shell and an upper seat part (7) as a solid upper frame or shell.   The lower seat part or holder is attached to the vehicle body and the upper seat part carries a seat cushion with a forward seat ramp (22). The upper seat part is pivotably joined to the lower part via a transverse pivot axis (9). The weight sensor(s) (10,12) is mounted between the seat upper and lower parts offset with respect to the pivot axis.
Patent DE-19849760-A1 (DE)
Title: Shock absorber for vehicle has two absorption elements with wall and slotted elements
Inventor: HOILAND THORBJORN
IPC: B62D21/15
Filed: 1998-10-28
Abstract: Shock absorber consists of two (10,12) absorption elements which move towards each other on impact. The first absorption element has a wall element (46,48,50,52); the second absorption element has a slotted arrangement (30,32,34,36,38,40,42). A slot is formed in the wall element by an arrangement integral with the second absorption element. The part (31) forming the slot has a flat or concave surface facing the wall element
Patent DE-19852705-A1 (DE)
Inventor: MOELLER MARIO
IPC: A61B18/00
Filed: 1998-11-16
Abstract: The device sucks up air-borne surgical waste products or products dissolved in air, especially for a laser scalpel. It has a filter unit with a pre-filter (1), a particle filter (2) and Volatile Organic Compound or VOC filter (3). The filter unit has one or more additional filters (4,5,6) for eliminating carbon monoxide, hydrocyanic acid gases and/or ammonia gases. The additional filters are arranged after the pre-filter, particle filter and VOC filter.
Patent DE-19855165-A1 (DE)
Title: Conveyor system for placing down and stacking of loose items conveyor belt fixed by brake on rear support roller during forward movement of support rollers, and fixed by belt brake during return movement of rollers
Inventor: RYLL RICHARD
IPC: B65G21/14
Filed: 1998-11-30
Abstract: The conveyor has at least one endless conveyor belt(10) tensioned between a forward(18) and a rear(38) support roller. The support rollers are synchronously and translationally movable, and the conveyor belt with a forward movement of the support rollers is fixed by a brake(36) on the rear support roller, and with a return movement of the rollers is fixed stationary in relation to a baseplate(12) by means of a belt brake(42) acting upon the carrying run of the conveyor belt.
Patent DE-19859006-A1 (DE)
Title: Armature device for electrical motor, has cover for protection of commutator segment ends
Inventor: RICHTER INGO
IPC: H01R39/06
Filed: 1998-12-21
Abstract: The armature (26) of an electrical motor has a commutator that is cylindrical. The commutator has formed grooves are filled with separate segments of metal (42), that each have a connection (44). The end of the commutator is enclosed by a cover with formed recesses that fit onto the ends of the segments, and so provides protection.
Patent DE-19911288-A1 (DE)
Title: Copper roofing tile to protect buildings from rain, sun, wind and snow
Inventor: GENTHNER MARIO
IPC: E04D3/40
Filed: 1999-03-13
Abstract: Copper roofing tile is punched from a piece of building copper and is placed below the roof ridge on the last but one roof batten.
Patent DE-19911405-A1 (DE)
Inventor: SUTORIS HEINZ FRIEDRICH
IPC: C07C67/62
Filed: 1999-03-15
Abstract: The invention relates to an inhibitor mixture which contains as its components at least one phenothiazine derivative and at least one chemical compound containing at least one phosphorus atom with the oxidation number +3. Further components such as phenol derivatives can also be contained in the inhibitor mixture. The inhibitor mixture is preferably used for stabilising radically polymerisable compounds.
Patent DE-19912632-A1 (DE)
Title: Circuit for amplification and/or conversion of analog electrical signals in the form of voltages or currents using microprocessor controller to control the adjustment/alignment of individual functional region and components tolerance
Inventor: DRESLER WOLFGANG
IPC: H03K5/14
Filed: 1999-03-20
Abstract: The circuit provided as a comparator module (5) with logic gate and schmitt trigger input where the module is terminatable up to its positive (EPR) and negative (ENR) supply voltage and the control of supply voltages through a reference voltage generator (8) is done by a microprocessor.
Patent DE-19912674-A1 (DE)
Title: Antenna arrangement for vehicle remote controlled system on printed card
Inventor: LANDGRAF HANS-PETER
IPC: H01Q1/38
Filed: 1999-03-20
Abstract: The receiver antenna is formed as an integral component of the conductor structure of the printed switching card. On the bottom of the housing arrangement (10) is an adhesive for attaching to inside of windshield.
Patent DE-19915259-A1 (DE)
Title: Powder dispensing device comprises conveyor for e containers, feed chamber for powder and ceramic filler wheel
Inventor: WURST REINER
IPC: B65B1/38
Filed: 1999-04-03
Abstract: The device for dispensing a powder (1) into a container (2) comprises a conveyor (11) for the containers, a feed chamber (18) for powder and a filler wheel (20). This has bores (49) in which dispensing pistons (53) are installed. The novelty is that the wheels are made from a ceramic.
Patent DE-19916607-A1 (DE)
Title: Motor drive for separating roller running with godet roller, especially on spinning plants
Inventor: KUMMELT BERND ERHARD
IPC: B65H51/12
Filed: 1999-04-13
Abstract: The roller (13) separating the yarn turns on a godet roller (11) is driven by a motor (14) and is controlled, at process startup, to run at a speed giving the same surface speed on the separating roller as on the godet roller and equal to the yarn speed. The motors are preferably frequency-controlled three-phase motors. Alternatives mentioned are the use of air turbines and a control strategy based on minimum power consumption for the separating roller drive. An Independent claim is included for a spinning installation having godet roller motors (12) and separating roller motors linked through a control circuit with a controller (17) to give the required separating roller speed.
Patent DE-19917605-A1 (DE)
Title: Getriebe für Windgeneratoren
Inventor: HOESLE HELMUT
IPC: F03D15/00
Filed: 1999-04-19
Abstract: Die Erfindung stellt einen kompakten Antrieb mit hoher Übersetzung für den Antrieb von Generatoren durch Windkraft dar, der eine einfache Montage und Wartung zuläßt. DOLLAR A Es handelt sich um ein Aufsteckgetriebe mit einer mehrstufigen Planetengetriebeanordnung und einer Stirnradstufe zum Abtrieb in einen Generator, wobei der Krafteintrieb in die Planetengetriebeanordnung (18, 17, 19, 8) über ein Hohlrad (18) erfolgt, das auf Planetenräder (17) treibt, auf deren gehäusefesten Wellen jeweils weitere Planetenräder (19) angeordnet sind, die mit einem Sonnenrad (8) kämmen, von dem der Abtrieb in die Stirnradstufe (7, 2) erfolgt.
Patent DE-19920863-A1 (DE)
Title: Rail transporting device for rotary-symmetrical bodies, in form of pallet with base having close parallel bearing rollers
Inventor: REICHL HELMUT
IPC: F27B9/26
Filed: 1999-05-06
Abstract: The transporting device (10) can run along rails (14). The rotary-symmetrical bodies (12) rotate as the device advances along the rails. The device is in the form of a pallet (18) with a base (20) which has bearing rollers (28) closely alongside each other and closely spaced from each other. The pallet base also has running wheels (32).
Patent DE-19921359-A1 (DE)
Title: Data transmission system with bidirectional transmission between central office and stations connected via bus, uses control circuit for interrupting control line if parity error occurs
Inventor: HELMHOLZ MANFRED
IPC: H04Q11/04
Filed: 1999-05-10
Abstract: A byte-wise parity-protected asynchronous message transmission takes place via the bidirectional data lines (D). The bus stations (BS) indicate to the central office that they are ready to receive and that they are receiving, via a sequentially switchable control line (R). The bus station has a control circuit (ST) connected to a shift register (SR) and the control line (R), for interrupting the control line if a parity error occurs in the data burst buffered in the shift register.
Patent DE-19921484-A1 (DE)
Title: Cyanoacrylate preparation involves condensation of cyanoacetic esters with formaldehyde followed by depolymerization, with polyethylene glycol dialkyl ether present in both stages
Inventor: FELD MARCEL
IPC: C07C253/30
Filed: 1999-05-08
Abstract: A polyethylene glycol dialkyl ether is present in both stages of the preparation of  alpha -cyanoacrylates comprising first reacting cyanoacetic esters with HCHO (or a polymer of HCHO) and then depolymerizing the polymer thus obtained to yield the required monomeric product.  Preparation of  alpha -cyanoacrylates by reaction of cyanoacetic esters with HCHO (or a polymer of HCHO), followed by depolymerization to give the monomeric product is such that a polyethylene glycol dialkyl ether of formula (I) is present during both stages.   R<1> and R<2>  = 1-6C hydrocarbyl; and  n  = a number such that the mol. wt. of (I) is 500-3,000.
Patent DE-19921600-A1 (DE)
Title: Operating panel for mixer desk for controlling sound, light, video or film is arranged on desk surface of production system with double incremental rotary transducer and two displays
Inventor: KLAUS HARALD
IPC: H04H60/04
Filed: 1999-05-07
Abstract: The operating panel is arranged on the desk surface of a production system consisting of a double incremental rotary transducer (1) and two displays (2,3) for indicating the two incremental transducer values and is used to control operating modules of at least one operating unit (4).
Patent DE-19921744-A1 (DE)
Title: Process for transporting vaporous substances through the wall of a vacuum chamber into the chamber comprises inserting the substance through an inner tube of a double casing tube into the vacuum chamber from the outside
Inventor: LIEHR MICHAEL
IPC: B01J3/02
Filed: 1999-05-11
Abstract: Process for transporting at least one vaporous substance through the wall (4) of a vacuum chamber into the chamber comprises inserting the substance through an inner tube (1) of a double casing tube into the vacuum chamber from the outside. The inner tube and the outer tube (2) of the double casing tube are subjected to an electrical current from a current source (3).  An Independent claim is also included for a device for carrying out the above process. Preferred Features: Two vaporous substances having different partial pressures are inserted, the substance with the lower partial pressure being fed through the inner tube and the substance with the higher partial pressure through the annular gap between the inner and outer tubes. At least one of the substances are subjected to a change in flow direction within the vacuum chamber.
Patent DE-19922660-A1 (DE)
Title: Closure device for transverse impact extrusion of components has ring piston nitrogen gas pressure springs between mold parts and support plates
Inventor: KRETZ THORSTEN
IPC: B21C23/00
Filed: 1999-05-18
Abstract: The device has two relatively moveable press dies (10,20), and a two-part mold (14,24), moving relative to the press dies. The mold parts are held on two support plates. A first ring piston nitrogen gas pressure spring (22) is located between the first mold part (24) and the first support plate (18), and/or a second similar spring (12) is located between the second mold part (14) and the second support plate (6). Both springs are coaxial to the die axis.
Patent DE-19922926-A1 (DE)
Title: Throttle valve control apparatus for adjusting intake flow in internal combustion engine, has torque limiter for controlling transmission of driving force in gear mechanism connecting motor and valve stem
Inventor: TSUCHIYA HIDEKI
IPC: F02D11/10
Filed: 1999-05-19
Abstract: The driving force of motor (22) is transmitted to stem (12) of throttle valve (10) through a gear mechanism (20). The transmission of driving force to valve stem is suppressed, when it is more than specific value by torque limiter.
Patent DE-19926773-A1 (DE)
Title: Procedure for testing the operation of fire warning and reporting devices together with smoke extraction plants in buildings by generation of a hot gas and injection of smoke particles and frozen air into the flow
Inventor: WILK ERHARD
IPC: G08B17/10
Filed: 1999-06-11
Abstract: Procedure in which hot gas flow (5) is generated by ignition of methanol or similar (4). The energy content is chosen to simulate the size or fire expected or greater. According to the volume of the space in which the fire occurs and its turbidity a paraffin aerosol and frozen air mixture (7) is injected at a height (H) in the hot gas flow, the temperature of which does not exceed 185 degrees C.
Patent DE-19927226-A1 (DE)
Title: Sound damping for fuel fired heater
Inventor: BRAUN BERND
IPC: F23M20/00
Filed: 1999-06-10
Abstract: A sound damping system for a fuel fired heater has a simple silencer in the inlet air duct. A perforated pipe section (8) is fitted into the air duct and is wrapped with sound absorbing material (12) and with a final outer wrap (13). The length and position of the silencer is selected for optimum effect, i.e. to dampen the highest pressures at the resonant frequencies of the system.  The inlet air is mixed with fuel/gas and is blown into the burner. The diameter of the perforated pipe section can be similar to that of the air duct.
Patent DE-19928186-A1 (DE)
Inventor: KIENZLER DIETER
IPC: F02M51/06
Filed: 1999-06-19
Abstract: The invention relates to a piezo-actuator for actuating a mechanical component, especially provided for an injector which serves to measure the quantity of fuel in an internal combustion engine. The inventive piezo-actuator comprises a housing (3) in which a piezo-element (2) is mounted in a manner that permits it to be axially displaced. The piezo-actuator is also provided with at least one spring element (10, 11; 17), preferably an undulated spring, which is pretensioned by traction. A clamping system (8; 18) which mechanically connects a pressure pin (5), said pin being joined to the piezo-element (2), to the spring element (10, 11; 17) enables an actuation of the piezo-actuator (1) to induce an axial extension of the piezo-element (2) and thus an axial displacement of the pressure pin (5) against the force of the spring element (10, 11; 17).
Patent DE-19929224-A1 (DE)
Title: Pressure rolling unit comprises at least two rolling elements
Inventor: ROLF BERNHARD
IPC: B21H1/04
Filed: 1999-06-25
Abstract: At least two rolling elements (5) are rotatably installed at least in one rolling element holder (3).  For a joint contact with the workpiece (1) the at least two rolling elements (5) in the rolling element holder (3) are arranged approximately at the same distance from the axis of rotation of the rolling unit.
Patent DE-19929269-A1 (DE)
Title: Ink jet printer for producing photographic prints, has edge detection sensor, controller for applying digital mask to printed image to prevent printing on first transport belt, drier, and cutter
Inventor: FREUND MICHAEL N
IPC: B41J11/00
Filed: 1999-06-25
Abstract: Rear side printer (26) is between first transport roller (16) and measurement roller (18), first deflector (27) between measurement roller and first transport belt (30), color ink jet print head (36), and paper edge detection image sensor (46). Controller (54) applies digital mask to printed image to prevent printing on first transport belt. Printer has second deflector (27') between first and second transport belt (31), paper drier (48) and cutter (59).
Patent DE-19930268-A1 (DE)
Title: Flexible, rollable flat electrode for defibrillator, used with implantation catheter for introduction and release in pericardial cavity, has elasticity such that it is self-unrolling by elastic resilience
Inventor: REVISHVILI AMIRAN
IPC: A61N1/05
Filed: 1999-06-25
Abstract: Flat electrode for a defibrillator, which can be rolled and unrolled flexibly, has such an elasticity that it is self-unrolling under the action of its own elastic resilience.  An Independent claim is also included for equipment with this electrode and an implantation catheter, in which the electrode can be fixed in the rolled state and unrolled after releasing the fixing.
Patent DE-19931779-A1 (DE)
Title: Method for producing connections between unknown radiotelephone owners enables road-users to send and receive coded telephone details by using a display or signals
Inventor: KOERBER GUENTHER
IPC: G08B1/08
Filed: 1999-07-08
Abstract: Through a switchable technical device on his vehicle a road-user ready with information displays his telephone number in code or not in code and/or transmits it through radio, light or infrared signals. Another road-user in another vehicle looking for information can receive and/or decode the transmitted signals or the display.
Patent DE-19935143-A1 (DE)
Title: Bipolar transistor with high negative resistance and improved high frequency characteristics at increased room temperatures
Inventor: NAKAMURA KIYOTO
IPC: H01L29/737
Filed: 1999-07-27
Abstract: The transistor (100) has an emitter region (10) next to a base region (20), which is next to a collector region (50) with a first, highly doped collector layer (30). Electrons from the collector region migrate to the base region due to the tunnel effect. The transistor has a negative resistance at room temperature. The first collector layer (30) is formed near the base region and has a band gap larger than that of the base region. The base region has a layer of GaAs and the first collector layer is InGaP. An Independent claim is included for a semiconductor component with the bipolar transistor.
Patent DE-19935420-A1 (DE)
Title: Handbrake lever for vehicle parking brake has electrical and/or electronic parts in lever and/or bearing, mechanical and/or electronic switching elements operated by user on lever/bearing
Inventor: BAUER HANS
IPC: B60T17/22
Filed: 1999-07-28
Abstract: The arrangement has electrical and/or electronic parts in the handbrake lever (4) and/or in its bearing (5). Esp. mechanical and/or electronic switching elements (27) operated by the user are mounted on the handbrake lever or on its bearing. The lever and/or bearing has an illuminated visual display (26).  An Independent claim is also included for an actuator for vehicle parking brake.
Patent DE-19943289-A1 (DE)
Title: Elastomer hose blank with textile insert
Inventor: SUCKAU WOLFGANG
IPC: F16L11/12
Filed: 1999-09-10
Abstract: The hose blank (1) has a straight line marking (10) which extends over the outside length of the blank. The marking may be formed as a strip or a bulge.
Patent DE-19944185-A1 (DE)
Title: Vorrichtung zur Durchführung einer heterogen katalysierten Reaktion und Verfahren zu deren Herstellung
Inventor: SCHUESLER MARTIN
IPC: H01M8/0612
Filed: 1999-09-15
Abstract: Zur Durchführung einer heterogenen katalysierten Reaktion, wie beispielsweise die Wasserstofferzeugung aus Kohlenwasserstoffen oder Alkohol, insbesondere Methanol, unter Zuführung eines Kohlenwasserstoff und Wasser umfassenden Reaktionsgemisches auf einen Katalysator, wird ein Katalysator verwendet, der durch Verpressen mindestens eines Katalysatorpulvers in eine einen Formkörper bildende und stark komprimierte Schicht hergestellt ist, wobei das Reaktionsgemisch unter Druckabfall durch die Katalysatorschicht hindurchpreßbar ist. Anstelle eines massiven metallischen Gehäuses werden die aufeinandergestapelten Schichten durch eine in die Schicht eingebrachte oder auf die Schicht aufgetragene Randabdichtung abgedichtet.