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| Number | Title | Issue Date |
| 5026293 | Interactive connector unit for a wiring harness A modular interactive connector unit is provided which has a base block with an array of male pins on one side and opposed female pins on the other side for interconnection between an electronic control assembly for an automotive engine and a wiring harne... | 06/25/1991 |
| 5001877 | Decorative wall and ceiling molding assembly An interior wall partition trim assembly for providing a decorative trim molding at the ceiling-wall junction and corners together with a decorative chair rail trim member for trimming walls and corners intermediate the ceiling and floor, the combination ... | 03/26/1991 |
| 4991407 | Auger type ice flaking machine with enhanced heat transfer capacity evaporator/freezing section An auger type ice flaking machine has an evaporator section defined in part by a vertically oriented flaker barrel with closed upper and lower ends, and a knurled longitudinally intermediate exterior side surface positioned within an annular hollow jacket... | 02/12/1991 |
| 4987681 | Hand held cordless grass/weed trimmer A hand-held cordless grass/weed trimmer having a plurality of detachable hub assemblies holding the cutting element by compression, and a rake-like guard member for the rotating cutting element which prevents large size obstacles from entering into the cu... | 01/29/1991 |
| 4982866 | A bi-stable hinge unit of elastic material A bi-stable hinge unit (10) of elastic material connects two inflexible end portions (12, 13) to take up two stable positions on either side of an intermediate unstable position. The hinge unit (10) comprises two equal elements (14, 15), each of which hav... | 01/08/1991 |
| 4976609 | Flashback resistant infrared gas burner apparatus A flashback inhibiting fuel fired infrared burner has a housing with a base wall, a side wall section extending outwardly from the base wall periphery, and a side opening positioned opposite the base wall. Retained in and covering the housing side opening... | 12/11/1990 |
| 4974621 | Quick set-up tent A quick set-up tent is formed from a flexible cover structure which internally carries a collapsible support structure defined by pivotally interconnected, telescopable pole members which, in their retracted positions, may be pivoted inwardly against one ... | 12/04/1990 |
| 4974579 | Induced draft, fuel-fired furnace apparatus having an improved, high efficiency heat exchanger An induced draft, fuel-fired upflow furnace is provided with a compact, high efficiency heat exchanger having horizontally spaced apart inlet and outlet manifold structures which are innerconnected by a horizontally spaced series of vertically serpentined... | 12/04/1990 |
| 4974501 | Deep fat frying apparatus with improved under-fryer cooking liquid pumping and filtration system A deep fat fryer structure includes a floor mounted housing having an upper internal portion in which a side-by-side pair of large capacity metal frypots are operatively supported, each of the frypots having an upper, heated cooking portion from which an ... | 12/04/1990 |
| 4975245 | Recirculating high velocity hot air sterilization process A recirculating high velocity hot air sterilization device includes a housing having a chamber therein. A corrugated, perforated jet curtain plate is disposed within the chamber and partially defines an air supply plenum positioned outwardly of the chambe... | 12/04/1990 |
| 4974631 | Dome pressure maintaining valve A dome pressure maintaining valve and circuit for maintaining dome fluid pressure in a pilot operated relief valve is presented wherein the dome pressure in the relief valve is prevented from dropping below a preset value even when inlet pressure at the r... | 12/04/1990 |
| 4973086 | Records management apparatus for constructing and maintaining a file folder-based document filing and retrieval system A records management kit for use in setting up and maintaining a cross-referenced, easily enterable, file folder--based document filing and retrieval system comprises a file guide book, an index sheet, a series of file folders, and a series of file folder... | 11/27/1990 |
| 4972824 | Commercial hot air impingement cooking apparatus Various representative commericial cooking devices are disclosed wherein a recirculating flow of heated air, at a food cooking temperature, is created within a housing in which a horizontally disposed food support and cooking member, such as a perforated ... | 11/27/1990 |
| 4974128 | Rapidly adjustable decorative exterior trim lighting system A decorative trim lighting system comprises an elongated, extruded plastic retaining strip which is formed in a laterally folded configuration and is adhesively securable along an exterior edge portion of a building. A series of support tab members are in... | 11/27/1990 |
| 4972867 | Valve stem seal leak protection and detection apparatus A safety structure for detecting fluid leakage from a valve having an exposed end of a rotatable valve stem connected to a valve element within the valve for rotating the valve element between an open and a closed position. The safety structure comprises ... | 11/27/1990 |
| 4967541 | Horizontal wrapping machine with improved article infeed system An inverted horizontal wrapping machine is provided with an article infeed system which includes a horizontal feed trough with an open exit end positioned closely adjacent the inlet end of the wrapping material tube being continuously formed by the machin... | 11/06/1990 |
| 4966892 | Processes for preparation of aloe products products produced thereby and compositions thereof Processes for producing aloe extracts including the separation of the leaves of the aloe plant into distinct portions. In particular, a first process is described for producing an aloe extract which is substantially free of anthraquinone-rich yellow sap a... | 10/30/1990 |
| 4966063 | Aircraft armament apparatus An aircraft armament mounting system includes an elongated support plank member which is insertable transversely through the aircraft cabin area so that a central portion of the plank is disposed within the cabin area and its opposite end portions project... | 10/30/1990 |
| 4964462 | Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit A snubbing unit, used to raise or lower a collar-connected series of tubing joints through a riser spool communicating with a well bore, is provided with an electromagnetic sensing system operative to detect and indicate the entry into, position within an... | 10/23/1990 |
| 4964065 | Computer-controlled electronic system monitor An electronic communication system monitor in one embodiment has sensors for sensing electrical and environmental conditions for communication system elements. Control relays connect the elements to a programmable controller. The programmable controller h... | 10/16/1990 |
| 4961762 | Structurally reinforced, self-aligning panel filter apparatus with associated clamping, face sealing and backflushing structure A backflushed panel type filtration system is positionable over the flow discharge opening in a dividing wall separating the material collection and clean air flow chamber portion of an air throughflow type particulate collecting device. The filtration sy... | 10/09/1990 |
| 4959928 | Air-assisted buffing pad cleaning tool and associated cleaning methods An air-assisted tool for mechanically cleaning a rotary driveable buffing pad or the like comprises a hollow body portion to which a series of mutually spaced, externally toothed cleaning spurs are rotatably secured. The tool has an air inlet fitting conn... | 10/02/1990 |
| 4959910 | Printing press A printing press is provided having an improved register cam incorporated therein, the printing press also including a transverse alignment mechanism for aligning the printing medium prior to printing thereon. The improved register cam includes adjustment... | 10/02/1990 |
| 4960102 | Fuel-fired condensing type forced air heating furnace A fuel-fired, condensing type forced air heating furnace is provided with an improved hot combustion gas-to-air heat exchange system which includes a generally drum-shaped primary heat exchanger having an outlet end connected to a first end of a transfer ... | 10/02/1990 |
| 4959920 | Multi-action fishing lure A multi-action fishing lure has a buoyant, relatively short head section to which an elongated buoyant tail section is jointedly secured, the tail section having a pair of depending treble hooks operatively secured thereto in a longitudinally spaced relat... | 10/02/1990 |
| 4959214 | Processes for preparation of aloe products products produced thereby and compositions thereof Processes for producing aloe extracts including the separation of the leaves of the aloe plant into distinct portions. In particular, a first process is described for producing an aloe extract which is substantially free of anthraquinone-rich yellow sap a... | 09/25/1990 |
| 4957907 | Process for preparation of aloe products A process is described for extracting a pharmaceutically active polysaccharidic substance from the aloe plant. The pharmaceutically active polysaccharidic substance and its characteristic properties are described.... | 09/18/1990 |
| 4955369 | Dynamically shiftable counter shear force knee brace A dynamically shiftable knee brace is used to counteract anterior tibial displacement caused during leg extension by the quadriceps muscle when the anterior cruciate ligament is missing or damaged. The brace includes pairs of rigid thigh and calf support ... | 09/11/1990 |
| 4955002 | Vibratory, time variant, pseudorandom sonar system A vibratory, time variant, pseudorandom sonar system includes a computer controlled pseudorandom digital sweep frequency source, a digital/analog converter for changing the digital output of the source to an analog output and a power amplifier for amplify... | 09/04/1990 |
| 4953602 | Apparatus and associated methods for forming curved wooden hand rails for spiral staircases and the like The construction and installation of a curved, laminated wooden bending rail used as a hand rail on a spiral staircase or the like is significantly facilitated utilizing a series of contoured clamp structures which circumscribe the rail and uniformly enga... | 09/04/1990 |
| 4951651 | Vent overpressurization detection system for a fuel-fired, induced draft furnace In an inducted draft, fuel-fired furnace a flow restriction in the external exhaust flue is detected, and the furnace burners responsively deactivated, by a thermal sensing switch mounted in a spaced relationship with a small flow opening formed in a sens... | 08/28/1990 |
| 4951645 | Stacked duel module commercial hot air impingement cooking oven A commerical, dual tier pizza cooking oven is formed from substantially similar but relatively inverted lower and upper modules. The lower module has a housing, with a cooking chamber therein, which is floor supported in an elevated position by suitable d... | 08/28/1990 |
| 4949846 | Package end sealing and cutting method and apparatus The continuously formed wrapping material tube traversing a horizontal wrapping machine, and containing articles to be wrapped therein, is sequentially passed between a first pair of opposed, counter-rotating heat sealing bar sets, and then between a seco... | 08/21/1990 |
| 4947857 | Method and apparatus for analyzing and interpreting electrocardiograms using spectro-temporal mapping Method and apparatus for analyzing ECG signal data for diagnostic purposes by performing an incrementally moving, short window FFT analysis to produce a set of spectral templates representative of the spectral frequency content of the ECG at each window p... | 08/14/1990 |
| 4948383 | Electrical clamp An electrical clamp suitable for use with automotive jumper cables, which consists of a handle with a spring loaded conducting member extending therethrough, the conducting member preferably having two contact surfaces on the end extending from the handle... | 08/14/1990 |
| 4948232 | Device for the presentation of information with rollable plastic substrate An information liquid crystal display device includes rows of liquid crystal elements for forming alpha-numeric characters. A single, lightweight, flexible, light transparent, plastic sheet supports the liquid crystal elements in an arrangement enabling r... | 08/14/1990 |
| 4946425 | Electromechanical bicycle gear shift mechanism A bicycle gear shift mechanism (8) to be actuated by an electric motor (m) has a carrier for an actuator member (S) comprising a tensioning arm (29) of a derailleur or a shift plunger of a hub gear transmission. According to the invention, the carrier com... | 08/07/1990 |
| 4942527 | Computerized management system A computing apparatus for an improved information system that manages. The apparatus has computing machinery which includes a computer and an input/output device for two way communication between the computer and an operator. The computer includes operati... | 07/17/1990 |
| 4940028 | Recoil pull rope reel apparatus for internal combustion engines A pull rope type starting apparatus for small internal combustion engines comprises a rope reel having a hub portion adapted to be rotatably mounted on a shaft driven by the piston(s) of the engine. A pair of axially spaced, radial flanges project from th... | 07/10/1990 |
| 4937018 | Rotor-type carburetor with improved fuel scavenging and atomization apparatus and methods A rotor-type carburetor is provided with a specially designed spray ring which centrifugally discharges atomized fuel droplets in two different sizes for mixture with engine-ingested air traversing the interior of the carburetor and driving its rotor sect... | 06/26/1990 |
