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| Number | Title | Issue Date |
| 4179769 | Vacuum cleaner attachment for vacuuming liquids A portable attachment for tank-type vacuum cleaners is provided which permits pickup of liquids as well as solids with the aspirated air. The attachment comprises a portable container having a removable cover thereon which makes a substantially air-tight ... | 12/25/1979 |
| 4180068 | Bi-directional flow catheter with retractable trocar/valve structure A bi-directional flow catheter for insertion into the body of a patient for the simultaneous introduction into and withdrawal therefrom of fluid. The catheter includes a primary tube having open distal and proximal ends, and a pair of branching tubes, eac... | 12/25/1979 |
| 4178882 | Hydrogen fuel supply system A fuel supply system is provided for engines which are adapted to operate on gaseous hydrogen fuel and which utilize a fuel tank containing a metal hydride for the storage of hydrogen. The system provides for high pressure operation when the hydride in th... | 12/18/1979 |
| 4179175 | Safety socket A safety socket assembly comprising a non-conductive housing containing a conductive pair of prong sheaths each having a facing aperture on the inside portion thereof and one of the prong sheaths having a slidable contact thereon. A pair of electrical ter... | 12/18/1979 |
| 4178189 | Apparatus and method for cleaning and polishing cartridge cases A tool for mounting a cartridge case to a drill chuck for rotating the cartridge case about its longitudinal axis for the purpose of cleaning and polishing the cartridge case. The tool comprises a body member having a bore extending axially from one end t... | 12/11/1979 |
| 4177118 | Process for electrolyzing water Electrolysis of water is accomplished by positioning a lead dioxide anode and a cathode in spaced relationship to each other, with an electrically conducting medium maintained in contact with the anode and cathode to provide a conduction path therebetween... | 12/04/1979 |
| 4175020 | Method of sterilizing reference electrodes and the like A reference electrode having a first tubular member, an elongate electrode element disposed within the tubular member, and a second tubular member disposed within the first tubular member to protrude out one end thereof is sterilized by aspirating through... | 11/20/1979 |
| 4173981 | Cannula for arterial and venous bypass cannulation A cannula suitable for total bypass procedures in arterial and venous cannulation for extracorporeal perfusion of blood. The cannula has a tapered body of sufficient length for peripheral cannulation and openings through the cannula wall appropriately pos... | 11/13/1979 |
| 4173689 | Synthetic polymer prosthesis material A blood and body-tissue compatible synthetic polymer having mechanical compliance properties matching that of body tissue, useful in prosthesis as vascular grafts, skin covering, small diameter body duct work, and similar tissue replacement materials. A b... | 11/06/1979 |
| 4173625 | Hydrogen purification and storage system A method of purifying and storing hydrogen or otherwise separating hydrogen gas from a gaseous mixture containing hydrogen is disclosed. A mixture of hydrogen and other gaseous components is applied under pressure to a hydride container holding a hydride ... | 11/06/1979 |
| 4172294 | Protective all-purpose helmet A protective helmet of the type which substantially completely surrounds the wearer's head to provide maximum protection from otherwise hazardous conditions encountered during sand blasting, steam or high pressure water jet cleaning, welding, and other op... | 10/30/1979 |
| 4172072 | Buffered enzymatically produced metal proteinates Protein sources are subjected to hydrolysis by the action of specific proteases under neutral conditions and are then reacted with water soluble bivalent metal salts in an aqueous alkaline media to form metal proteinates which are then buffered thereby fo... | 10/23/1979 |
| 4169716 | Synergistic metal proteinate plant hormone compositions A combination of metal proteinates with triacontanol and one or more plant hormones selected from the group consisting of auxins, cytokinins, brassins, kinins, and gibberellins form synergistic compositions wherein plant growth is stimulated and the absor... | 10/02/1979 |
| 4169324 | Sock and shoe and sock and shoe fastening means The present invention relates to a sock having a flap protruding from its rear or heel area, which flap can be fastened to the outside of the rear or heel area of a shoe to prevent the sock from riding, slipping or otherwise working into the heel cavity o... | 10/02/1979 |
| 4169717 | Synergistic plant regulatory compositions A combination of (1) metal proteinates consisting of chelation products of an essential bivalent metal with at least two ligands which are protein hydrolysates consisting of polypeptides, peptides and naturally occurring amino acids and (2) a plant growth... | 10/02/1979 |
| 4167919 | Method and apparatus for hydrogen fueled internal combustion engines An internal combustion engine designed to operate with hydrogen fuel, comprises means for mixing water in the form of droplets, spray, or mist with gaseous hydrogen. The water-containing hydrogen gas is then introduced along with air in proportion for pra... | 09/18/1979 |
| 4167564 | Biological assimilation of metals A method for improving the stability of amino acid-metal complexes or chelates and enhancing the uptake of these complexes into biological tissues. This method comprises forming the metal complexes with amino acids or hydrolyzed proteins and incorporating... | 09/11/1979 |
| 4166457 | Fluid self-sealing bioelectrode A dry-state bioelectrode having a self-sealing receptacle for receiving electrolyte and/or medicament fluid contents. The receptacle is attached at its opening to a sheet-like flexible base member having an opening in common with the receptacle opening, t... | 09/04/1979 |
| 4165569 | Hydride storage and heat exchanger system and method A hydride storage and heat exchanger system includes a container having a generally circular cross-section for holding a hydride material, apparatus for introducing hydrogen gas into and receiving hydrogen gas from the container, and apparatus for conveyi... | 08/28/1979 |
| 4165088 | Combination cart A multiple use cart comprising a hollow horizontal flat deck having tapered vertical apertures open at both ends interconnecting the top and bottom portions of the deck. The apertures may be in longitudinal and transverse alignment or otherwise arranged. ... | 08/21/1979 |
| 4164139 | Asphalt penetration indicator Water penetration of bituminous pavement is measured by a conduit comprising a cylindrical tube having a flat outwardly extending lower flange and a closed top having a circular center opening into which is engaged an upwardly extending graduated cylinder... | 08/14/1979 |
| 4162577 | Pendulum drawing machine A pendulum-actuated drawing instrument having at least two pendulums mechanically coupled with a scribing device by means of interconnected arms extending parallel to and above a support. The arms are universally pivottably connected and attached to the p... | 07/31/1979 |
| 4160454 | Implantable catheter system An implantable catheter system includes an elongated hollow casing which is reinforced to maintain a predetermined attitude and made of a material penetrable by a needle, and a tube extending laterally of the casing so that when the casing is implanted su... | 07/10/1979 |
| 4156980 | Breech opening apparatus for handgun In a handgun having a spring biased breech locking mechanism and pistol grip handle, a breech release device mounted at the butt of the pistol grip handle to provide breech release access without disturbing the grip of the shooter's hand grasp. The device... | 06/05/1979 |
| 4156892 | Electrically adapted artificial tree limb An artificial tree limb having openings for direct emplacement of light bulbs or other electrical devices within the trunk section of the limb to obtain electrical contact. Two conductive wires are contained within the trunk structure, a portion of each b... | 05/29/1979 |
| 4152743 | Transient voltage suppression system A transient voltage suppression system for use in an electrical power distribution system which includes at least one power line and a neutral or ground line. The system includes a suppression circuit for each power line of the power distribution system, ... | 05/01/1979 |
| 4151426 | Security timer device A solid state timer device useable for security purposes in homes, offices and other buildings. The device is engineered to plug into a conventional wall socket and to receive the inlet plugs of appliances such as lamps and radios. The device is programme... | 04/24/1979 |
| 4150825 | Golf game simulating apparatus Apparatus for simulating the playing of golf includes a tee area from which a player may drive a golf ball toward a curved target screen in front of the tee area. Three arrays of optical sensing devices are positioned to gather data as to the time and hor... | 04/24/1979 |
| 4145810 | Attachment for hedge trimmers An attachment for a powered hedge trimmer for enabling a user to reach difficult trimming locations for cutting hedge, grass, weeds, etc., without excessive bending or reaching. The attachment is connected directly to the trimmer body and forms either a t... | 03/27/1979 |
| 4141359 | Epidermal iontophoresis device An improved iontophoresis device for topical administration of ionic drugs or chemicals through epidermal tissue for anesthetizing or sterilizing local tissue or for applying various medicaments without mechanical penetration. An ionic form of drug is con... | 02/27/1979 |
| 4137667 | Thermal protective coverings Protective coverings for growing plants, food storage shelters, greenhouses and other structures provided by creating a relatively dead air space around the protected object with a device for deploying a canopy of water over and around said object.... | 02/06/1979 |
| 4138515 | Geometric iridescent image A geometric image comprising both a nonreflective material and a metalized plastic film capable of dispersing visible light into its component colors, which colors may change relative to the angle of the light being dispersed and reflected back to the vie... | 02/06/1979 |
| 4138455 | Method for preparing dense, beta-alumina ceramic bodies by liquid phase sintering A method is disclosed for preparing a dense, B"-alumina-containing ceramic body exhibiting an electrical resistivity for sodium ion conduction at 300° C. between about 3 and about 20 ohm-cm, by sintering a green ceramic body formed from a composition com... | 02/06/1979 |
| 4135889 | Single stage, coal gasification reactor A fluid bed reaction apparatus for providing separate reaction sites for segregated reactions in processes such as coal gasification, wherein the respective gasification and subsequent combustion reactions are separated within a single stage reactor. The ... | 01/23/1979 |
| 4135827 | Rotary blender A rotary blender rotating about a horizontal axis having an elongate opening and a gate which may be hydraulically operated to open or close said opening. The blender may be loaded through the opening from the top by a hopper or front loading machine and ... | 01/23/1979 |
| 4134822 | Process for minimizing vaporizable catalyst requirements for coal hydrogenation-liquefaction A process for reducing the amount of catalyst required for coal hydrogenation-liquefaction reactions involving dry fed, short-residence coal reaction systems. Coal particles are mixed with dry catalyst material having a vapor pressure of 1 to 1000 mm Hg a... | 01/16/1979 |
| 4130279 | Indoor golf A game for indoor or outdoor use comprising a hollowed out hand held club having a notch on top for a thumb hold. A series of markers numbered from one to eighteen are placed about the legs of furniture. The object is to hit a golf ball with the hand held... | 12/19/1978 |
| 4113928 | Method of preparing dense, high strength, and electrically conductive ceramics containing ଲ"-alumina Methods of preparing a dense and strong polycrystalline ଲ"-alumina-containing ceramic body exhibiting an electrical resistivity for sodium ion conduction at 300° C of 9 ohm-cm or lower obtained directly after sintering and having a controlled fine ... | 09/12/1978 |
| 4111179 | Catapult toy A catapult toy includes a base plate, a mounting platform swivelably mounted on the base plate, a pair of arches positioned in a side-by-side relationship on the mounting platform at one end thereof to define an arching guide therebetween, a pivot arm piv... | 09/05/1978 |
| 4104949 | Apparatus and method for transcribing musical notations A system for transcribing musical notations onto paper as corresponding notes are played on a piano includes a housing disposable on the piano above the keyboard to produce electrical signals representing the piano keys which are depressed, and a typewrit... | 08/08/1978 |
