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| Number | Title | Issue Date |
| 4188680 | Method for manufacturing waterproof boots A method for manufacturing boots of rubber or the like wherein the successive boot building operations are carried out on lasts carried by a movable conveyor indexed to and through stations spaced along a line. An elastic sock is mounted on each last at t... | 02/19/1980 |
| 4183108 | Flush toilet system A water reservoir tank storing a primary body of water for release to a toilet bowl for flushing is associated with a pressure tank that stores a minor amount of water at a pressure considerably higher than that of the primary body and is discharged durin... | 01/15/1980 |
| 4180892 | Method for the manufacture of a force transducer A method for the manufacture of a force transducer consisting of a base carrying a stud which carries a set of shear sensitive elements, each having a seismic or force transmitting mass attached to it, the masses being fixed to shear sensitive elements fi... | 01/01/1980 |
| 4178908 | Fireplace heating unit A novel forced air fireplace heating unit in which a plenum for delivering heated air to a room or other space overlies a double jacketed furnace and communicates with an air heating space between the furnace's jackets, whereby air introduced into the hea... | 12/18/1979 |
| 4178233 | Fluorinated hydrocarbons in coal mining and beneficiation A method of using fluorinated hydrocarbons as a carrier to convey mined coal to a separation station. The carrier acts as a parting liquid for beneficiating the coal. The carrier is recovered and returned to the mine for conveying more coal. Some of the r... | 12/11/1979 |
| 4177928 | Device for cleaning windshields, headlamp lenses, rear view mirrors, reflector means or the like of a vehicle A device or system for cleaning windshields, headlamp lenses, rear view mirrors, reflector means, or the like of a vehicle. The system is installed in the vehicle, preferably in the engine compartment, and includes a liquid container, a conduit from the c... | 12/11/1979 |
| 4178231 | Method and apparatus for coal separation using fluorinated hydrocarbons Coal is separated in a gravity separator using a fluorinated hydrocarbon parting liquid. The cleaned coal is burned and the ash mixed with recovered parting liquid and returned to the gravity separator. Additives may be dispersed in the parting liquid to ... | 12/11/1979 |
| 4176477 | Compact unit for excavating, compacting and loading A component unit for excavating, compacting and loading material on a horizontal or sloping surface. A carrier beam pivotal in the horizontal and vertical plane carries via a plurality of elastic members an excavating blade and further an amplitude limite... | 12/04/1979 |
| 4174691 | Fuel-air supply system for internal combustion engines A fuel-air supply system for a combustion engine wherein unmixed supplies of liquid fuel and combustion air are heated and after heating are bypassed around the engine's carburetor for delivery to the engine in place of the fuel air mixture from the carbu... | 11/20/1979 |
| 4174723 | Dishwasher water distribution apparatus A dishwasher water distribution system with a lower wash arm assembly and an upper wash tower, the wash arm assembly including a rotatable wash arm releasably fastened to a unitary distributor structure, the entire wash arm assembly with its distributor b... | 11/20/1979 |
| 4173598 | Polymeric compositions and methods for their production Processes for making polymeric compositions which have methacrylic and/or acrylic chains grafted onto a copolymerized vinyl diene substrate. The compositions, which are novel, are particularly useful as impact modifiers for polyvinyl chlorides.... | 11/06/1979 |
| 4173345 | Golf ball A golf ball wherein an elastomeric spherical core is formed with a series of narrow shallow surface channels each lying on great circles passing through opposite pole areas, and similar hemispherical cover shells are compression molded upon the core and j... | 11/06/1979 |
| 4173176 | Device for transfer of air in one or the other direction between two places A device for transfer of fresh air or air mixed with gases, vapors, smaller particles etc. in one or other direction between a stationary place and a moving place. A stationary elongated box is in communication with the stationary place and has a slot in ... | 11/06/1979 |
| 4173120 | Turbine nozzle and rotor cooling systems A gas turbine engine having a turbine with internally cooled, stationary nozzles, a rotor with internally cooled blades, and systems for supplying air to the nozzles and rotor and for cooling the nozzle case.... | 11/06/1979 |
| 4173530 | Methods of and apparatus for cleaning coal Methods of and apparatus for cleaning coal in which fluorochlorocarbons are used as parting liquids. Various novel techniques, components, and combinations thereof are employed to maximize efficiency; to minimize costs and adverse environmental impacts; t... | 11/06/1979 |
| 4171832 | Relaxing joints Joints for limiting the stresses on non-ductile components and structures, and methods for fabricating such joints.... | 10/23/1979 |
| 4171703 | Multiple bowl arrangement for water pipe or bong A multiple bowl arrangement for a water pipe, bong or other smoking device in the form of a mounting base in place of the conventional bowl and a turret or magazine with multiple bowls rotatably mounted on the base so that each bowl is brought into succes... | 10/23/1979 |
| 4171075 | Dispensing and metering container A container for dispensing predetermined quantities of fluid comprising a closed end body adapted to contain a supply of fluid with a side wall opening adjacent the top of the body when the container is upright and a hollow combined metering and handle me... | 10/16/1979 |
| 4169902 | Method of repelling animals and birds A method for repelling animals and birds consists of applying to an area being protected a composition consisting essentially of an aqueous solution or dispersion of a carboxylated hydrophilic acrylic copolymer, a cross-linking agent for the carboxylated ... | 10/02/1979 |
| 4167097 | Gas turbine engines with improved compressor-combustor interfaces Gas turbine engines with interfaces between a compressor and a combustor which minimize disturbances in the pattern of air flowing from the compressor to the combustor. Provision is also made for dissipating disturbances which may have been created and fo... | 09/11/1979 |
| 4166298 | Deodorizer for toilets A toilet deodorizer having a hollow housing, containing a motor-driven fan and a filter medium, mounted within the normal flush tank air chamber. The housing divides the air chamber into an intake receptacle, inside the housing, and an exhaust receptacle,... | 09/04/1979 |
| 4164814 | Personal use device for removing tartar from the inner side of teeth A personal dental care device including a dentist mirror and a flat, stiff tooth scraper projecting substantially perpendicular to the mirror, located at the edge of the mirror and either fixed on the mirror frame or rotatably positionable around the peri... | 08/21/1979 |
| 4162770 | Tooth breaker members A breaker tooth member for apparatus for the reduction of solid material such as wood, plastics, metal and the like comprises a metal head having an integral projecting mounting shank having an enlarged portion adjacent the head adapted to fit snugly in a... | 07/31/1979 |
| 4162914 | Processes for making hollow metal microballoons and the products thereof A process for making hollow metal microballoons from alloys which include a base material capable of absorbing a gas when molten and then subsequently desorbing said gas during solidification and one or more glass formers. The alloy is melted and atomized... | 07/31/1979 |
| 4161211 | Methods of and apparatus for energy storage and utilization Methods of and apparatus for providing refrigeration, heating and air conditioning which use metallic hydrides for thermal energy storage and upgrading.... | 07/17/1979 |
| 4161139 | Conditioning apparatus Apparatus for the treatment of animal feedstuff prior to pelletizing thereof comprising a conditioning vessel and at least one sterilization vessel, each of which is in the form of a cylindrical drum, means for feeding the material to be treated through t... | 07/17/1979 |
| 4159061 | Pop-a-top canning jar lids A closure assembly for a glass canning jar has an internally threaded skirt portion and a transverse lid portion having a rim section separated from a center section by a continuous weakened region in the form of a surface groove. A manual pull member is ... | 06/26/1979 |
| 4154215 | Air damper for open fireplace An open fireplace with an air distribution system for heating one or more rooms and including a heat exchanger and an electric fan for forcing air through the heat exchanger thence through the air distribution system. Incorporated into the fireplace syste... | 05/15/1979 |
| 4154795 | Microtest plates A microtest plate is characterized by a tray conveniently moulded of foam plastics, having a multiplicity of compartments and a multiplicity of individual wells fitted into the compartments, at least some of the wells preferably being moulded integrally w... | 05/15/1979 |
| 4153783 | Copolyimides Copolyimide foams made from lower alkyl esters of tetracarboxylic acids and two or more diamines. Precursors for such copolyimides. Processes for making the precursors and for converting them to copolyimide foams.... | 05/08/1979 |
| 4152803 | Automatic dispenser-applicator An applicator device comprises two casing parts pivotally connected for movement between a longitudinally aligned closed position and a folded open position, one of said casing parts providing a tape supply chamber and the other providing a chamber for re... | 05/08/1979 |
| 4151911 | Package A retainer and display package mounting a container-dispenser that projects upwardly through a retaining opening in a top wall alongside a transparent cap enclosing a capsule seated on the top wall. The capsule is intended for incorporation in the contain... | 05/01/1979 |
| 4151003 | Viscosity modification of bituminous materials Methods of modifying the viscosity of bituminous materials in which a fluoro or chlorofluoro derivative of a lower alkane is mixed therewith, and processes involving and employing products so modified.... | 04/24/1979 |
| 4150971 | Start-up method for an electroslag remelting system A method for start-up and an electroslag remelting furnace system having a bottom pouring device connected to a mold in which at least one electrode is remelted to form an ingot. The bottom pouring device is positioned to receive molten slag and pass it t... | 04/24/1979 |
| 4150518 | Mullion mounting Apparatus for securing a trim strip or mullion to two adjacent wall panels. The apparatus is particularly useful in securing a mullion to the forward edges of the adjacent portions of the liners of the fresh food and frozen food compartments of a side-by-... | 04/24/1979 |
| 4150279 | Ring rolling methods and apparatus Methods of forming metallic workpieces into ring-shaped components of selected cross-sectional configuration in which roll electrodes both heat the workpiece by electrical resistance and provide the pressure so that the workpiece becomes plastic and flows... | 04/17/1979 |
| 4149626 | Conveying systems An accumulating conveyor of the kind which is adapted to feed articles thereon towards the downstream end thereof to replace any removed therefrom comprising longitudinally extending laterally spaced conveying surfaces adapted to support articles which ar... | 04/17/1979 |
| 4148464 | Fastening for a hydraulic motor A hydraulic motor is located inside a drum which is shown as a capstan. The motor is mounted in a support tube/rod unit which in turn fastens to the fixed support using a three point fastening flange. The motor is fastened with its drive shaft facing away... | 04/10/1979 |
| 4147492 | Machine press, specifically a stamping press A stamping press, as for stamping molded articles out of a plastic web wherein the articles are premolded, has a fixed stamping tool section accurately secured on the press frame and a movable tool section slidably mounted on fixed columns on the fixed to... | 04/03/1979 |
| 4146972 | Continuous web drying Methods of and installations for drying continuous webs of materials such as paper in which the web contacts rotating dryers heated by circulating a heat transfer liquid through them. Rotary dryers for such installations; and methods for upgrading the per... | 04/03/1979 |
