"The radio craze will die out in time."
Thomas Edison ; 1922
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 |
| 5722391 | Anesthesia tube assembly An improved unilimb anesthesia tube assembly includes a rotatable end fitting at the patient end and inner and outer cylinders to which inner and outer unilimb tubes are secured with gas-tight seals. The invention also includes a tool and method for check... | 03/03/1998 |
| 5718125 | Electrically operated valve and control assembly for small sorption refrigeration/freezers A solenoid operated valve for supplying a liquid refrigerant has an inlet port, or outlet port and a valve port therebetween, the outlet port having a restricted opening equal to or smaller than the opening of the valve port, a capillary tube in the outle... | 02/17/1998 |
| 5664427 | Rapid sorption cooling or freezing appliance An apparatus capable of providing rapid cooling and/or freezing comprises a cabinet or container having a cooling chamber, one or more reactors each containing a complex compound formed by adsorbing a polar gas on a metal salt, in which the polar gas is a... | 09/09/1997 |
| 5577388 | Aqueous absorption fluids The rate of water vapor sorption of an absorption cycle cooling and/or heating system using an aqueous alkali metal halide or hydroxide solution as the working fluid is increased by adding to the fluid an effective additive amount of at least 2 parts per ... | 11/26/1996 |
| 5539029 | Asphalt emulsion-rubber paving composition A method of preparing an asphalt emulsion-rubber paving composition comprises combining an aqueous asphalt emulsion, water, latex rubber, minus 40 size rubber particles, and a thickening agent, mixing said materials at substantially ambient temperature to... | 07/23/1996 |
| 5517072 | Method and apparatus for increasing the efficiency of electrical rotary machines An improved electric motor having a commutator and brushes incorporates a fluid comprising one or more stable halogenated aliphatic hydrocarbons which is liquid from ambient temperatures up to about 150° F., and means for applying said fluid continuously... | 05/14/1996 |
| 5477706 | Heat transfer apparatus and methods for solid-vapor sorption systems In a sorption reaction system comprising one or more first reactors in which a refrigerant is alternately adsorbed and desorbed, and one or more second reactors in which a refrigerant is alternately desorbed and adsorbed, respectively, and having a coolin... | 12/26/1995 |
| 5460172 | Moisture and heat exchanging unit for a respiration device A moisture and heat exchanging unit for a respiration device such as a tracheal tube or tracheotomy canula, is described comprising a housing holding therein a moisture and heat exchanging body and/or a bacterial filter, said housing comprising two halves... | 10/24/1995 |
| 5441716 | Method and apparatus for achieving high reaction rates A chemisorption reaction process is carried out under conditions in which the volumetric expansion of the complex compound reaction product is restricted, and at half-cycle reaction periods of less than 30 minutes each, and/or in a reaction chamber having... | 08/15/1995 |
| 5419145 | Chemical energy storage system The rate of water vapor sorption of an absorption cycle cooling and/or heating system using an aqueous alkali metal hydroxide solution as the working fluid is increased by adding at least 2 parts per million of a primary, secondary or tertiary aliphatic, ... | 05/30/1995 |
| 5396775 | Cooling apparatus for electronic and computer components Apparatus for cooling components or subassemblies of equipment at one or more locations comprises a first reactor located at a remote location from said equipment, and a second reactor located in heat exchange communication with a component or subassembly... | 03/14/1995 |
| 5390509 | Triple effect absorption cycle apparatus The basic apparatus of the invention is a triple effect absorption cycle apparatus, comprising first, second and third generators each containing an aqueous absorption fluid and operating at successively higher temperatures; first, second and third conden... | 02/21/1995 |
| 5384101 | Method and apparatus for achieving high reaction rates in solid-gas reactor systems Reaction rates in chemisorption reactions involving solid reactants and gaseous ligands are improved by maintaining optimized solid density throughout the reaction. Methods and apparatus which restrict volumetric solid expansion, compression of the solid ... | 01/24/1995 |
| 5361012 | Method and apparatus for increasing the efficiency of electrical rotary machines A method and apparatus for introducing a continuous bath of high dielectric liquids to the integral components of an electric motor. One such liquid for example, is methyl chloroform. Significant improvements in efficiency are achieved by the continuous i... | 11/01/1994 |
| 5360057 | Dual-temperature heat pump apparatus and system Apparatus for simultaneously supplying heating and cooling or refrigeration comprises first and second reactors each containing a complex compound of a metal salt and a gaseous refrigerant adsorbed thereon, a condenser, refrigerant conduit means for direc... | 11/01/1994 |
| 5335515 | Triple effect absorption cycle apparatus The basic apparatus of the invention is a triple effect absorption cycle apparatus, comprising first, second and third generators each containing an aqueous absorption fluid and operating at successively higher temperatures; first, second and third conden... | 08/09/1994 |
| 5335510 | Continuous constant pressure process for staging solid-vapor compounds An improved apparatus for staging solid-vapor complex compounds comprises heat exchange means for transferring heat from super-heated refrigerant vapor from a desorbing reactor to cooled refrigerant vapor directed to an adsorbing reactor. In another embod... | 08/09/1994 |
| 5328671 | Heat and mass transfer In a chemisorption reaction process wherein a polar gas is repeatedly alternately adsorbed and desorbed on a complex compound formed by adsorbing said polar gas on a metal salt, said complex compound capable of having a first density if allowed to expand ... | 07/12/1994 |
| 5313962 | Method of performing laparoscopic lumbar discectomy In one method for performing a laparoscopic lumbar discectomy an incision is created in the abdominal wall of a patient. The peritoneal lining is dissected from the abdominal wall while relocating the peritoneal lining toward the midline of the abdomen to... | 05/24/1994 |
| 5305696 | Process and system for treating contaminated particulate soil compositions An improved process and apparatus for treating particulate soil composition to remove volatilizable organic materials therefrom comprises separating fine particles of the soil from a gaseous mixture in a drum containing the fine particles and volatilized ... | 04/26/1994 |
| 5297298 | Eye shield An eye shield comprises an elongated, flexible, spring-like frame member generally bowed along its length and biased toward an unsprung condition in which the ends are spaced apart a distance less than the width of a user's head, and a transparent, flexib... | 03/29/1994 |
| 5298231 | Method for achieving high reaction rates in solid-gas reactor systems Reaction rates in chemisorption reactions involving solid reactants and gaseous ligands are improved by maintaining optimized solid density throughout the reaction. Methods and apparatus which restrict volumetric solid expansion, compression of the solid ... | 03/29/1994 |
| 5295358 | Continuous constant pressure system for staging solid-vapor compounds An improved apparatus for staging solid-vapor complex compounds comprises heat exchange means for transferring heat from super-heated refrigerant vapor from a desorbing reactor to cooled refrigerant vapor directed to an adsorbing reactor. In another embod... | 03/22/1994 |
| 5291753 | Continuous constant pressure system for staging solid-vapor compounds An improved apparatus for staging solid-vapor complex compounds comprises heat exchange means for transferring heat from super-heated refrigerant vapor from a desorbing reactor to cooled refrigerant vapor directed to an adsorbing reactor. In another embod... | 03/08/1994 |
| 5289690 | Refrigerant recycling system The invention disclosed herein relates to an apparatus for being detachably connected to a chemical or refrigeration system for selectively receiving and dispensing a gaseous refrigerant or chemical from and to that system, respectively, including a vesse... | 03/01/1994 |
| 5285896 | Apparatus for receiving and capturing a hypodermic needle hub and cannula An apparatus for receiving and locking a hypodermic needle hub inserted therein includes a container with a cavity and a top cover with ports. A hypodermic needle cannula and hub may be inserted into each port. Each port has a dimension smaller than the l... | 02/15/1994 |
| 5271239 | Cooling apparatus for electronic and computer components Apparatus for cooling components or subassemblies of equipment at one or more locations comprises one or more first and one or more second reactors, remote from said equipment, each reactor containing a complex compound of a polar refrigerant and a metal ... | 12/21/1993 |
| 5265530 | Plastic bottle and can crusher A device for compacting hollow aluminum or plastic containers comprising a base having a concave arc-shaped surface having a first radius, an arm having a convex arc-shaped surface having a second radius, substantially equal to or smaller than the first r... | 11/30/1993 |
| 5263330 | Discrete constant pressure system for staging solid-vapor compounds An apparatus comprises a plurality of two or more reaction chambers, each having a different compound therein comprising a solid reactant adsorbent and a gaseous reactant adsorbed thereon, each of said compounds having a different gaseous refrigerant vapo... | 11/23/1993 |
| 5241831 | Continuous constant pressure system for staging solid-vapor compounds An improved apparatus for staging solid-vapor complex compounds comprises heat exchange means for transferring heat from super-heated refrigerant vapor from a desorbing reactor to cooled refrigerant vapor directed to an adsorbing reactor. In another embod... | 09/07/1993 |
| 5240412 | Method and apparatus for removing volatile hydrocarbons from particulate soils A continuous method of removing volatilizable organic composition from particulate mineral composition comprises heating the organic composition contaminated mineral particles in a rotating drum and exposing the particles to said hot gases to volatilize t... | 08/31/1993 |
| 5224926 | Transvivo plasma extraction catheter device A device for being implanted in a blood vessel for carrying out continuous in vivo plasma separation comprises an elongated, axial header and at least one elongated microporous fiber having a hollow interior, said fiber being dimensioned to be received wi... | 07/06/1993 |
| 5197880 | Tool for crimping endodontic files A tool for crimping a substantially straight filing shaft of an endodontic file comprising a device having a first and a second jaw for being urged toward nesting engagement and for forming the bends of the shaft inserted between the jaws, the first jaw h... | 03/30/1993 |
| 5195541 | Method of performing laparoscopic lumbar discectomy A discectomy apparatus comprises an elongated sleeve member having receiving means therein for an endoscope, receiving means for securing and suction and irrigation channel means, all secured and extending along the interior length of the sleeve. The appa... | 03/23/1993 |
| 5186009 | Aqueous absorption fluids An improved absorption cycle apparatus and system using aqueous solutions of metal salts selected from the group consisting of alkali metal hydroxides, nitrites, and alkaline earth and transition metal hydroxides, halides, thiocyanates, and mixtures there... | 02/16/1993 |
| 5186020 | Portable cooler A portable cooling apparatus comprising a thermally insulated container having a cooling chamber therein, a lid providing access to the chamber, an evaporator including a heat exchange surface exposed in the cooling chamber, a reactor assembly secured adj... | 02/16/1993 |
| 5182707 | Apparatus for recording reagent test strip data by comparison to color lights on a reference panel An apparatus for recording analysis of a reagent test strip having a plurality of color blocks for testing different constituents of a fluid, comprises a reference panel having a plurality of visually distinguishable and calibrated color areas or spots, a... | 01/26/1993 |
| 5165247 | Refrigerant recycling system The invention disclosed herein relates to an apparatus for being detachably connected to a chemical or refrigeration system for selectively receiving and dispensing a gaseous refrigerant or chemical from and to that system, respectively, including a vesse... | 11/24/1992 |
| 5161389 | Appliance for rapid sorption cooling and freezing An apparatus capable of rapidly cooling or freezing a composition comprising a walled housing member having a cooling chamber and a door for accessing the cooling chamber from the exterior of the housing, an evaporator and a blower for circulating cold ai... | 11/10/1992 |
| 5099836 | Intermittent oxygen delivery system and cannula An improved system for delivering oxygen on demand to a user comprises a pressure transducer for sensing pressures during the breathing cycle of a user and for creating an electrical signal proportional to said sensed pressures, an electronic amplifier fo... | 03/31/1992 |