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| Number | Title | Issue Date |
| 4796738 | Controllable clutch A mechanical clutch which is selectively engageable and disengageable. Interposed between an input member and an output member are a plurality of clutch rollers. In disengaged mode they rotate freely, relative to the members. In engaged mode they bunch to... | 01/10/1989 |
| 4722238 | Rack and pinion gear A rack and pinion gear having helical teeth. A conical hob is employed for cutting recessed rack teeth in the work piece by continuously engaging the hob and work piece as the work piece moves longitudinally beneath (or with respect to) the rotating hob. ... | 02/02/1988 |
| 4659249 | Roadway destriping Unwanted roadway marking is obscured and gradually removed by abrasion from normal traffic over the roadway. Segments of color the same as the roadway are evenly distributed over the marking, as by speckling. From a distance, the color of the marking is e... | 04/21/1987 |
| 4641543 | Intermediate shaft thrust balance An intermediate shaft is provided with a single helical gear, and a double helical gear set having opposite and unequal helix angles. The double helical gear set meshes with a corresponding double helical gear set on a second shaft. A third shaft has a si... | 02/10/1987 |
| 4632088 | Ball throwing apparatus A ball throwing apparatus has two opposed drive wheels, one on each side of an open-ended barrel. The peripheries of both drive wheels extend into the barrel in opposing fashion, the wheels being slightly offset so that the second periphery frictionally e... | 12/30/1986 |
| 4588336 | Rack and pinion gear and process of fabrication A rack and pinion gear having helical teeth. A conical hob is employed for cutting recessed rack teeth in the work piece by continuously engaging the hob and work piece as the work piece moves longitudinally beneath (or with respect to) the rotating hob. ... | 05/13/1986 |
| 4510890 | Infrared water heater A fluid heater consists of a water tank, to the side of which is mounted an infrared burner which radiates heat at very high temperature, horizontally, against the side wall of the tank. Burned gases are conducted upward in heat conducting relation with t... | 04/16/1985 |
| 4344191 | Chin implant A chin implant molded of biologically inert material is surgically inserted and positioned on the outer surface of the mandible to form a build-up of the jaw. The surgical procedure is called a menoplasty. The implant is designed to give a natural contour... | 08/17/1982 |
| 4341218 | Detachable balloon catheter A detachable balloon catheter for easy placement in arterial lesions. The detachable balloon catheter is comprised of a balloon having a hollow cylinder securely fastened at the neck or entrance to the balloon. A catheter tube is held inside the cylinder ... | 07/27/1982 |
| 4334534 | Emergency airway management device An emergency airway tube for use in resuscitation of non-breathing patients by inserting the tube through the mouth until it randomly lodges either in the trachea or the esophagus. Only one insertion is needed. The tube is designed to ventilate the lungs ... | 06/15/1982 |
| 4327513 | Illuminated outdoor sign and housing An outdoor sign and housing assembly is provided which is formed of aluminum extrusions, or the like, and which define, in the embodiment to be described, a housing for a plurality of illuminating elements, such as fluorescent lamps, and their associated ... | 05/04/1982 |
| 4321047 | Simulator and process for teaching surgical knot tying techniques A simulator for and a process of teaching surgical knot tying techniques. A flexible tube made of material which simulates various human vessels and ducts is positioned between the arms of a support frame. Inside the tube are spring wires, which are strun... | 03/23/1982 |
| 4317334 | Remote refrigeration system with controlled air flow A refrigeration system in which compressors are mounted in one compartment of the housing and condensers and receivers are mounted in an adjacent compartment. Ambient cooling air flows first into the compressor compartment, then into the condenser compart... | 03/02/1982 |
| 4310315 | Tactile learning device for the handicapped A learning device for people with damage to the cortical areas of the brain and minimal brain disfunction related to learning. It comprises an elongated housing one end of which is provided with a writing instrument and the other end of which is provided ... | 01/12/1982 |
| 4309575 | Apparatus for intercranial transmission of audio signals An apparatus for intercranial transmission of a plurality of audio signals in which a pair of transducers are independently mounted on a headband for transmitting audio signals from a source to the cranium. The apparatus is comprised of two parallel wires... | 01/05/1982 |
| 4301492 | Pressure-sensing transducer A pressure-sensing transducer comprised of a diaphragm sandwiched between two discs having substantially non-moving walls forming two adjacent chambers. Concentric electrodes on opposite faces of one of the chambers form a pair of capacitors. Ports are pr... | 11/17/1981 |
| 4286700 | Motorcycle throttle control A motorcycle throttle control comprised of a housing clamped to the throttle handle grip of a motorcycle having a locking arm adapted to engage a cog section mounted on the handle bar adjacent to the throttle handle grip. The cog section is rigidly fixed ... | 09/01/1981 |
| 4143596 | Lithographic press dampening system A dampening system for a lithographic press, comprised of a brush roller contacting a fountain roller immersed in a fluid. The brush roller is contacted by an elongate flicker bar transferring the fluid to a vibrator roller for application to a plate cyli... | 03/13/1979 |
| 4123648 | Key for defrosting locks A device for heating keys comprised of a plug which fits the socket of a cigarette lighter having means for heating a key. The device is comprised of a heating element surrounding a slot in the plug into which a key may be inserted for heating. The plug, ... | 10/31/1978 |
| 4122853 | Infrared laser photocautery device An apparatus and method for cauterizing biological tissue while providing isolation from surrounding absorbing tissue and fluid media. The device is comprised of a probe having a special window through which an infrared laser beam is directed to cauterize... | 10/31/1978 |
| 4123007 | Valve assembly and spraying apparatus therefor Valve assembly which mixes two components for delivery to a spraying apparatus. The assembly is comprised of a core valve mounted in a housing or body which is secured in a chamber in a manner which provides passageways between the housing and the chamber... | 10/31/1978 |
| 4120299 | Snore-prevention article and process for manufacturing the same A snore-prevention article is provided which is intended to be worn in a person's nose while the wearer sleeps, and which serves to prevent snoring by creating a laminar rather than a turbulent air flow through the nose. The article is formed of a piece o... | 10/17/1978 |
| 4120158 | Power conversion and systems for recovering geothermal heat A process for the conversion of geothermal heat energy into electrical power by advantageously combining direct and indirect heat exchange systems and other systems to maximize the power production is presented herein. More specifically, a process and sys... | 10/17/1978 |
| 4114965 | Medication dispensing cart A portable medication dispensing cart comprised of a cabinet portably mounted on casters and a plurality of medication drawers or bins which are convenient and easy to use. The cabinet includes swing-away doors that lock to provide security as well as a v... | 09/19/1978 |
| 4114265 | Cake cutter and server A cake cutter and server which is formed of an integral piece of material. The server has a first enlarged section hingedly connected to a second triangular shaped section. Along the free edge of the second section is located a cutting edge. The second se... | 09/19/1978 |
| 4106445 | Reciprocating piston machine with complete combustion system A reciprocating piston internal combustion machine is provided in which the components are designed and constructed in a manner to give complete combustion by providing a stratified charge which is mixed early in the combustion process.... | 08/15/1978 |
| 4105917 | Method and apparatus for mass spectrometric analysis at ultra-low pressures A trapped ion cyclotron resonance mass spectrometer comprised of an analyzer cell having upper, lower, side and end electrodes positioned to produce a substantially uniform electric field, a magnet positioned to produce a magnetic field and irradiating wi... | 08/08/1978 |
| 4103869 | Vehicle levelling and stabilizing system A vehicle levelling and stabilizing system for campers, trailers and the like, which is easily attachable to existing vehicles. The system is comprised of a plurality of horizontal folding jacks which can be attached at strategic locations to a trailer. E... | 08/01/1978 |
| 4092884 | Lathe adapter for non-standard thread machining A device for modifying a lathe having predetermined standard thread settings. Primarily, it can be used to adjust the lathe for extra non-standard thread cutting. The device is comprised of an adapter which can be attached to a compound tool rest for movi... | 06/06/1978 |
| 4091618 | Ocean motion power generating system A wave motion power generating system comprised of a floating buoy attached to a pump which pumps water from a container submerged below water level. The pump removes water from the container creating a hydrostatic head which can be used to draw water thr... | 05/30/1978 |
| 4090477 | Method of improving operation of internal combustion engines A process and apparatus for improving fuel economy and exhaust emissions of internal combustion engines operating at high altitude conditions. The process is comprised of adjustments to spark timing carburetor idling and crankcase ventilation flow to lean... | 05/23/1978 |
| 4084518 | Swivel drawer assembly A swivel drawer assembly is provided which finds general utility in automobile pass-through food dispensing establishments, and which comprises a horizontal tray mounted for swivel movement in a rectangular opening in the wall of the establishment about a... | 04/18/1978 |
| 4083113 | Brazing process for orthodontic assemblies A process for making orthodontic assemblies such as brackets and buccal tubes which permits simultaneous heat treating of the assembly while brazing the assembly together. The process consists of assembling a plurality of aligned bases with caps and a bra... | 04/11/1978 |
| 4082286 | Direction and slope indicating putter head A putter for indicating the slope and direction in which a golf ball should be stroked in which the putter head includes a level observable during use of the club and a device for indicating the amount of offset at which the putt should be stroked in orde... | 04/04/1978 |
| 4079590 | Well stimulation and systems for recovering geothermal heat The flow from geothermal wells is stimulated by injecting a liquid at selected levels in the well with the liquid having a boiling point below the temperature of the geothermal fluid at the levels of injection at the operating pressure at the levels of in... | 03/21/1978 |
| 4075721 | Mattress construction and method of making A mattress construction and method of making is disclosed in which an extremely wide, deep stitch flange permits a more uniform and tighter mattress construction. A mattress cover is sewn to an apron or flanging material with a wide border or flange with ... | 02/28/1978 |
| 4072187 | Compact heating and cooling system A compact indoor environmental control system which has cooling, heating, and ventilation components mounted and positioned to provide a slim design for in-the-wall installation. A cabinet is provided with cooling and heating components mounted to leave p... | 02/07/1978 |
| 4070030 | Combination sled and ramp A device which can be used as a sled towed by a vehicle such as a snowmobile which can be converted to a ramp for loading a snowmobile or any vehicle onto a transporting device such as a truck. The device is comprised of a frame having vertical sides form... | 01/24/1978 |
| 4068653 | Solar heating unit An apparatus for collecting the heat from solar energy for use in heating applications such as swimming pools. The apparatus is comprised of a panel having three separately movable structures, each rotatably independent of each other in order to provide a... | 01/17/1978 |
