Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4682248 | Audio and video digital recording and playback system A microcomputer system for converting an analog signal, such as an audio or video signal representative of sound or video into a digital form for storing in digital form in a highly condensed code and for reconstructing the analog signal from the coded di... | 07/21/1987 |
| 4681782 | Article for determining the presence of immune complexes An immunoassay of a specimen of a serum or the like to determine the composition of immune complexes, includes producing on a plastic base a layer of a non-proteinaceous, non-ionic polymer which will adhere to the plastic base and has the capability of ad... | 07/21/1987 |
| 4641378 | Fiber optic communication module A connector compatible fiber optic replacement module for use in a local area network coaxial hub for direct communication with TTL level signals to provide a fiber optic communication link. The system uses a first amplification stage having a circuit des... | 02/03/1987 |
| 4640589 | Microscope illuminator A microscope illuminator containing an incandescent point source of illumination, an aspheric lens with heat absorbing characteristics defining an optical path for the illumination, a cut-off filter and a rotatable dichroic interference filter capable of ... | 02/03/1987 |
| 4636876 | Audio digital recording and playback system A microcomputer system for converting an analog signal, such as an audio signal representative of sound into a digital form for storing in digital form in a highly condensed code and for reconstructing the analog signal from the coded digital form is disc... | 01/13/1987 |
| 4631598 | High speed, high resolution image processing system A scanning device which is capable of scanning documents at high speeds and high resolutions. The present invention uses automatic thresholding techniques and provides variable data compression to accommodate various end user host devices. The present inv... | 12/23/1986 |
| 4561975 | Self-relieving bar screen A self-relieving bar screen, for intercepting debris moved by a liquid through a conduit into a space having a greater lateral dimension, includes a series of bars disposed in spaced lateral relation in a position normally opposite the discharge end of th... | 12/31/1985 |
| 4547399 | Sealing composition and method of making the same Composition produced from paving grade asphalt, process oil (not over 32%) and SBR rubber or rubbers, such as butadiene-styrene copolymers, in decreasing amounts by weight. A preferred range is asphalt 41.9-61.25%, process oil 18-25%, lower molecular weig... | 10/15/1985 |
| 4531572 | Method of and unit for recovery of waste energy Transfer waste water from wash cycle of dishwasher to collection tank beneath heat exchanger surrounding hollow central space, pass waste water through dual tube heat exchanger in countercurrent relation to cool feed water for hot water heater in central ... | 07/30/1985 |
| 4529032 | Method of and apparatus for recovery of waste energy A holding tank receives waste water from a dishwasher or laundry machine having a rinse cycle and at least one wash cycle. A pump moves the waste water through a heat exchanger at the same time that the rinse cycle requires hot water from a hot water heat... | 07/16/1985 |
| 4513561 | Flexible spur holders and spurs A spur holder is formed of flexible material and has a rear body and sides connecting the body to a front loop, which is stretchable over the heel of the boot to engage the front of the heel, with the rear body disposed at the rear of the boot adjacent th... | 04/30/1985 |
| 4506371 | Underwater thermometer and method of making The underwater thermometer includes a transparent block, preferably formed of an acrylic plastic, having a planar rear surface provided with a longitudinal recess adapted to receive a fluid and tube type temperature indicator, with an enlargement at one e... | 03/19/1985 |
| 4471596 | Vault grid A grid which produces a vaultlike appearance on one side comprises a first series of parallel plates extending in one direction and a second series of parallel plates extending in the direction to intersect the first series of plates. At least one of the ... | 09/18/1984 |
| 4450231 | Immunoassay for determination of immune complexes with polymer-coated plastic base An immunoassay of a specimen of a serum or the like to determine immune complexes, includes producing on a plastic base a layer of a non-proteinaceous, non-ionic polymer which will adhere to the plastic base and has the capability of absorbing immune comp... | 05/22/1984 |
| 4434536 | Locking snap hook A positively locking snap utilizing a conventionally shaped snap hook having a normally open hook end portion which is opened and closed to receive and discharge a line or other fixture by movement of a U-shaped spring biased closure pivotally connected t... | 03/06/1984 |
| 4411707 | Processes for making can end stock from roll cast aluminum and product An aluminum container scrap alloy is processed by a modified chill roll cast process into a highly formable sheet material suitable for use as a container end stock, by employing at least a 60% cold reduction followed by an anneal for about two hours at a... | 10/25/1983 |
| 4397877 | Heat treatment of active dried yeast and product thereof Active dried yeast is treated to beneficiate subsequent fermentation activity and/or fermentation products of the yeast and to produce a beneficiated active yeast product by heating the dried yeast to a temperature of about 30° to about 60° C. for at le... | 08/09/1983 |
| 4354316 | Method of beneficiating wood Wood is beneficiated by treating the wood with an agent capable of forming a borate ester linkage between hydroxyl groups of the cell wall constituents of the wood, and thereafter treating the wood with an aldehyde to effect aldehyde cross-linking of cell... | 10/19/1982 |
| 4342572 | Thermal circulation gas treater A well effluent stream passes into a high pressure separator tank where liquids separate from gas. A very small amount of gas from the well effluent is fed through a thermostat to a glycol seal pot to control a closed glycol heating system for the high pr... | 08/03/1982 |
| 4342281 | Apparatus for printing articles from heat transfer paper An apparatus for continuous heat transfer of ink images onto the outer surfaces of continuously moving articles, for example, generally cylindrical articles, from a length of continuously moving heat transfer sheet material having thereon a series of unif... | 08/03/1982 |
| 4312890 | Preparation of a cocoa substitute from yeast A roasted yeast product having the characteristic texture, color, flavor, aroma and mouth-feel of cocoa powder is produced by roasting a food yeast under conditions producing a yeast temperature of about 175° C. to about 225° C. for a sufficient amount ... | 01/26/1982 |
| 4286589 | Extension lead for a respirator alarm system In an artificial respiration apparatus, especially in positive pressure types, it has been found that an extension lead for a respirator alarm system is desirable. This lead will extend beyond the respirator to permit a patient to initiate an alarm when h... | 09/01/1981 |
| 4250157 | Method and apparatus for enriching the iron carbonyl content of a recycle gas stream A method and apparatus for enriching the iron carbonyl content of a recycle gas stream produced in an iron carbonyl decomposition or reaction process to enable reuse of the recycle gas stream in the iron carbonyl decomposition or reaction process by cooli... | 02/10/1981 |
| 4239039 | Dual control valve for positive pressure artificial respiration apparatus The present invention relates to improvements in the portable, positive-pressure artificial respiration apparatus and, more particularly, to improvements in the air passageway systems of such apparatus by using a dual control valve.... | 12/16/1980 |
| 4052821 | Automatic bur grinding machine A bur grinding machine especially adapted to grind dental burs and including a turntable supporting a plurality of similar workheads having collets to support bur blanks; a plurality of grinding units mounted on a stationary base in circumferentially spac... | 10/11/1977 |
| 4041609 | Foot control for dental equipment A foot control for a dental unit having a control unit for the delivery of power to operate dental equipment, and including a plunger to effect a range of speeds for the equipment, said control unit being operated by an actuating member which engages said... | 08/16/1977 |
