...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 5605453 | Burner of a vehicle heater A burner for a vehicle heating device having a fan or blower for supplying combustion air. A combustion chamber 2 has an inner surface which is provided with a porous lining. A fuel supply line is provided for supplying fuel to the lining. A glow plug ign... | 02/25/1997 |
| 5582010 | Pyrotechnic device for the pressurization of a hydraulic circuit A device with a pyrotechnic gas generator wherein gas pressurizes a hydraulic circuit via a cartridge-case base, a spring and a pressure piston. The pyrotechnic gas generator comprises a propellant charge, which is located in a combustion chamber and is i... | 12/10/1996 |
| 5531802 | Suction device with a filter insert in the suction line A device with an extraction fan for use for drawing off ambient air loaded with harmful substances during, e.g., laser surgery or HF surgery, is passed through a filter device. For routine use, easy replacement of the filter should be possible, its loadin... | 07/02/1996 |
| 5496196 | CDDI connector for high-speed networks of voice and data transmissions The present invention relates to a connector for high-speed networks of the voice and data transmission (CDDI connectors). The object of the present invention, namely to develop a CDDI connector with electrical properties which are improved and which guar... | 03/05/1996 |
| 5453292 | Process for applying a luminophore layer To improve the uniformity and the adhesive strength of luminophore layers, a process is proposed in which the luminophore is enveloped with glass flux and the enveloped luminophore is applied to a luminophore carrier at elevated temperatures by using acry... | 09/26/1995 |
| 5451957 | Radar device for obstacle warning The present invention pertains to a radar device with synthetic aperture based on rotating antennae (ROSAR principle), preferably for helicopters, which operates in the millimeter-wave range and is used mainly as an obstacle radar, wherein the full synthe... | 09/19/1995 |
| 5435497 | Yarn center with diameter reduction The center has, on its cylindrical wall, adjacent longitudinal rows of slots (3) which are elongated lengthwise, the slots of one row being staggered--generally by half a pitch--with respect to those of the contiguous rows, so that the longitudinal edges ... | 07/25/1995 |
| 5433451 | Mechanised ballistic target A mechanised ballistic target presents a hinged target plate which is knocked down out of sight when hit by a bullet and the shock of the bullet impact on the plate is absorbed pneumatically by a rubber suction cup which the plate strikes; the suction cup... | 07/18/1995 |
| 5430717 | Digital electronic loop crossconnect and carrier system A digital cross connect device for telephone and data transfer systems includes a plurality of line cards, including line cards connected to a network line and line cards connected to a subscriber line. The network line and the subscriber line carry a sig... | 07/04/1995 |
| 5427113 | Biological information measuring system The biological information measuring system of this invention applies rectangular voltage pulses across at least a pair of electrodes attached to the surface of a living body, obtains, through the analysis of a transient current flowing across electrodes,... | 06/27/1995 |
| 5415174 | Filter-coefficient conversion system A filter-coefficient conversion system relating to n pieces of digital filters for obtaining n pieces of frequency components in a desired frequency band using filter coefficients a(i, j) (where i=0, - - - mj, j=1, - - - n) described in a given... | 05/16/1995 |
| 5411021 | Breathing mask with speaking device A breathing mask (1) with a chamber housing fastened in the mask body (2) for accommodating at least one breathing connection (4), an exhalation valve (6), and a speaking diaphragm are improved such that the chamber housing can be replaced in a simple man... | 05/02/1995 |
| 5393742 | Preparation for treating renal disease A preparation is useful for treating renal disease, such as nephritis and especially nephrosis (nephrotic syndrome), which comprises an effective amount of N-acetylneuraminic acid shown by the formula ##STR1## wherein, when n is 1, Z represents hydro... | 02/28/1995 |
| 5390470 | Machine for the production of plastic film bags with means of positioning with respect to each other the trailing end of a film being used up and the leading end of a reserve film A machine for the production of weldable plastic film bags from a strip reel, and for the filling of the said bags, comprises means of supporting and unwinding a first strip reel (B1); means of supporting a second reserve strip reel (B2 | 02/21/1995 |
| 5382852 | Miniature motor A miniature motor includes a case made of metallic material and formed into a bottomed hollow cylindrical shape and having a permanent magnet fixedly fitted to the inner circumferential surface thereof. A rotor is provided with an armature and a commutato... | 01/17/1995 |
| 5381905 | Disposable support for pizza DISPOSABLE SUPPORT FOR PIZZA, made whether of a paper covered by a waterproof material or totally in plastic, having a base of a basically triangular or circular shape, characterized by comprissing a rear edge delimited by a circular sector-shape rear edg... | 01/17/1995 |
| 5380324 | Implantable device for straightening and fixing vertebrae An implant for the spinal column for fixing the vertebrae, especially the cervical vertebra, on the anterior side, i.e., on the side of the esophagus, wherein the implant has screw holes for screwing together with the vertebra and has a multi-component de... | 01/10/1995 |
| 5377171 | Timepiece movement including two opposed analog displays The movement, of the conventional type with barrel (10) and spring balance, includes two time displays with hands, the hands (3m, 3h, 3s) of one of the displays, arranged opposite one of the principal faces (1) of the movement, being driven in rotation in... | 12/27/1994 |
| 5375546 | Shortening of needle thread end at the beginning and end of sewing in lockstitch sewing machines In a process and a device for shortening the needle thread end at the beginning of sewing and at the end of sewing in two-thread lockstitch sewing machines, the catch thread device (23) of an already existing thread-cutting device (22; 60; 90) is moved in... | 12/27/1994 |
| 5367852 | Support system A support system suitably applicable as a timbering for construction of a concrete structure, which can reduce the number of parts and greatly improve the workability. The support system includes a plurality of jack members 6 placed on the ground or the l... | 11/29/1994 |
| 5369475 | Developing roll positioning apparatus A developing system having a developer tank supporting a developing roll formed by a sleeve incorporating a permanent-magnet member, and guide: rollers having a diameter slightly larger than that of the sleeve, and; fitted at both ends of the sleeve in th... | 11/29/1994 |
| 5360141 | Device for metering powder, grained or micropearl dyeing materials Device for quickly variable and high precision metering of powder, granulated or micropearl dyeing material including a container 1 for the dyeing material that is put under vacuum by means of a suction tube 7 from the outside, and a mesh-sieve 5 fixed on... | 11/01/1994 |
| 5357159 | Miniature motor A miniature motor comprising a case made of a metallic material, formed into a bottomed hollow cylindrical shape and having permanent magnets on the inner circumferential surface thereof, a rotor consisting of an armature facing the permanent magnets and ... | 10/18/1994 |
| 5352954 | Plasma generator and associated ionization method In the discharge chamber (21) of a device for generating plasma, used in the space sector for ion propulsion or for the discharging of satellites and in applications on the ground, suitable ionizing radiation sources (47) are provided, capable of improvin... | 10/04/1994 |
| 5352044 | Plastic bearing for stabilizers in motor vehicles A plastic bearing consisting of an elastically deformable material for stabilizers in motor vehicles of a one-part design, slotted on one side in an axial plane, which can be opened for mounting, with an inner contact surface (6), which is slidingly movab... | 10/04/1994 |
| 5352210 | Method and device for manipulating and transferring products between confined volumes One of the two confined volumes, for example the "supplying" one (2), is provided with a tubular perforating element (3) confined within a space closed by a diaphragm or perforable wall (503); the second confined volume (1) also has a perforable diaphragm... | 10/04/1994 |
| 5352910 | Semiconductor device with a buffer structure The present invention is directed to power semiconductor devices and, more particularly, to a semiconductor device with a static induction buffer structure which reduces the resistance of a buffer layer, enhances the injection efficiency of holes from the... | 10/04/1994 |
| 5349998 | Injector manifold valve capable of preventing leaks into the environment, for coolant gases An electromagnetic control ( 12, 14, 14A) causes the opening of a valve (1A) blocking the connector (1) of the system (3) to be used; pipes (30, 34, 42) with corresponding connections to a transfer passage (20, 16, 14B, 9, 7A) are controlled by correspond... | 09/27/1994 |
| 5350337 | Zone-forming apparatus A zone-forming apparatus adapted to direct a jet-stream in a radial direction by a guide member, the jet-stream being emitted from jet-stream generator which is arranged above the apparatus, and an air curtain thus formed is utilized to define a working s... | 09/27/1994 |
| 5347695 | Device for anchoring shoe laces with a quick tightening and slackening A device for independently connecting a plurality of eyelets together by lacing with a lace. The device has a plate with a hook for hooking and unhooking the plate from one of the eyelets. A flap is connected to the plate and one end of the flap extends b... | 09/20/1994 |
| 5346255 | Steering column with a safety element for a motor vehicle equipped with an inflatable air bag in the steering wheel The present invention pertains to a steering column for a motor vehicle equipped with an inflatable air bag in the steering wheel (6), in which the parts (3, 4) of a steering shaft, which are connected to one another by a universal joint (5), are rotatabl... | 09/13/1994 |
| 5345314 | Laser beam printing system utilizing a plurality of cartridges A LBP system having a Hangle, Chinese character and alphabetical character printing function, including a video controller in a LBP body including a main circuit for providing address and data, a memory access control logic unit connected to the main circ... | 09/06/1994 |
| 5342040 | Turning device for sheets of paper in a feed web The present invention provides a device that makes possible to turn individual sheets of paper 3 by an angle of 90° during their transport without a change in their direction of feed, arrow 8, even at high speeds of feed. In the device according to the p... | 08/30/1994 |
| 5340220 | Pivoting bearing for mounting pull rods in motor vehicles A pivoting bearing for mounting pull rods in motor vehicles, which includes a metallic housing (2) with a cylindrical inner jacket, a metallic inner part (1), and an elastomer body (3) arranged between the housing (2) and the inner part (1). The elastomer... | 08/23/1994 |
| 5339941 | Process and device for aligning and co-processing flaccid workpiece layers Process and device for aligning and jointly processing flaccid workpiece layers (4, 104). The workpiece layers (4, 104) to be processed jointly are brought toward one another in the hanging position by endless conveyors (1, 101). A scanning and aligning s... | 08/23/1994 |
| 5337310 | Backplane communication system and method A backplane communication system based on CSMA/CD protocol including a plurality of communication nodes and method of encoding/decoding data via backplane bus. Each communication node (1) has transmit and receive data links (2,3) connected to the backplan... | 08/09/1994 |
| 5333748 | Container door for an oxygen supply unit A container door (2) pivotable around a hinge (3) for closing a container for an oxygen supply unit of an airplane is provided with high rigidity to warping at the lowest possible weight. To accomplish this task, the container door (2) is provided with a ... | 08/02/1994 |
| 5330238 | Coupler for connecting two plastic pipes and process and mold for producing the coupler The coupler consists of an essentially cylindrical outer layer of glass fiber-reinforced plastic and an inner layer consisting of polyurethane. This inner layer has, approximately in the middle between the two coupler ends, a rib which serves as a stop fo... | 07/19/1994 |
| 5331161 | Ion irradiation system and method The present invention concerns an ion irradiation system and has for its object to provide an ion irradiation system and method which enable one or more ions to be applied to a target point with high accuracy. The ion irradiation system according to the p... | 07/19/1994 |
| 5330409 | Cassette changing apparatus for index-feeding machining systems Cassette changing apparatus for index-feed machining systems having such a construction that a plurality of machining units, in which cassettes having machining means are provided, are disposed at predetermined intervals in the workpiece feeding direction... | 07/19/1994 |