Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4357794 | Rotary-reactive internal combustion engine 4-360 The present invention relates to a rotary-reactive internal combustion engine in which the reactive powers of the exhaust gas add to the driving torque of the present engine. The classification of this engine: The kind of the fuel is a liquid fuel. One cy... | 11/09/1982 |
| 4357795 | Multi-burn solid fuel restartable rocket and method of use A multi-burn restartable solid rocket fuel having plural layers, each independently ignitable, including a central core, and at least one outer cylindrical layer separated from the central core by a non-ignitable layer, and the method of utilization there... | 11/09/1982 |
| 4357796 | Small gas turbofan engine with regenerating diffuser A mixed flow, high bypass, gas turbofan engine that is small and compact, and that develops a thrust in the range of approximately 200-300 pounds. The engine has an axial length of approximately 18 inches, an air inlet of approximately 10 inches in diamet... | 11/09/1982 |
| 4357797 | Unified action hydrocentrifugal machines A hydrocentrifugal machine is disclosed in which the rotor is a vortex-expeller rotor defining two generally spiral-shaped vortex-expeller passages and a hydraulic induction coil comprising a helical, inwardly-opening channel is affixed to the inner face ... | 11/09/1982 |
| 4357798 | Rapid actuating device of hydraulic actuator Discussed herein is a rapid actuating device for a hydraulic actuator utilizing two or more relief valves to control the hydraulic flow of the actuator for various loading or no loading conditions in order to speed up the required operation time.... | 11/09/1982 |
| 4357799 | Hot-gas reciprocating machine A hot-gas reciprocating machine comprises two intercommunicating spaces of variable volume and two pistons (1 and 11) for varying the volumes of these spaces. The two pistons are coupled to two parallel crank shafts (16 and 17) and are movable with an adj... | 11/09/1982 |
| 4357800 | Rotary heat engine A rotary external combustion heat engine for furnishing mechanical energy from a source of heat. The engine includes a ring-like stator having an oval rotor chamber enclosing a cylindrical rotor eccentrically placed within the chamber to define a high dis... | 11/09/1982 |
| 4357801 | Removal of carbon dioxide in geothermal power systems A process for removing carbon dioxide in geothermal power generating processes employing a geothermal fluid such as geothermal brine containing carbon dioxide, to improve the efficiency of geothermal power generation, comprises introducing an aqueous alka... | 11/09/1982 |
| 4357802 | Geothermal energy production Process for recovery of energy from geothermal fluids such as geothermal brine in a geothermal formation by injecting a water immiscible working fluid, preferably organic, typically a hydrocarbon, e.g. isobutane, into the geothermal formation containing a... | 11/09/1982 |
| 4357803 | Control system for bypass steam turbines A control system for a steam turbine operated with a steam bypass system. In the control system, bypass valve control is according to setpoints generated as a function of a combined flow reference (CFR) signal. The CFR signal is representative of boiler o... | 11/09/1982 |
| 4357804 | Thermoelectric device There is disclosed a thermoelectric device powered by a direct current power supply in which the circuitry comprises an integrated timer circuit and a two-stage, feed-back amplifier which, when switched in, produces a digital direct current pulse for deli... | 11/09/1982 |
| 4357805 | Method for integrating components of a refrigeration system A flash subcooler is provided to meter a portion of the refrigerant flowing from the condenser to the evaporator to an intermediate heat exchanger to subcool refrigerant flowing from the condenser to the evaporator. This diverted refrigerant is flashed to... | 11/09/1982 |
| 4357806 | Controller for variable air volume cooling system This invention is directed to a variable air volume cooling system for a building which utilized changes in the diameter of the belt going around a two piece driver pulley and a follower two piece driven pulley to effect changes in fan speed and, accordin... | 11/09/1982 |
| 4357807 | Low energy ice making apparatus A low energy ice making apparatus employing a low volume carnot cycle refrigeration system. Ice is progressively formed on a plurality of improved evaporator plates and harvested by a secondary condenser grid heated by the warm liquid refrigerant discharg... | 11/09/1982 |
| 4357808 | Ice making machine An ice making machine of the type comprising a plurality of ice forming molds into which water is directed by means of a rotating spray bar supplied with water from an associated water sump or reservoir; the spray is mounted for 360° rotation about a gen... | 11/09/1982 |
| 4357809 | Cooling arrangement including a gel A beverage cooling arrangement having an inner receptacle defined by a closed end, an open end and a wall disposed between the open and closed ends. An outer encasement partially encases the inner receptacle, and the encasement is joined at the upper end ... | 11/09/1982 |
| 4357810 | Universal joint A homokinetic coupling with an inner ring contained within a groove-like ball race within the outer ring, and with a series of flattened balls therebetween for imparting rotation and transmitting forces, the balls being at least partially enclosed by a fl... | 11/09/1982 |
| 4357811 | Continuous processing apparatus for treatment of tubular knitted fabric material A continuous processing apparatus for a hygro-thermic treatment of a fabric material such as a tubular knitted fabric material capable of adequately applying a treating liquid to the fabric material within a high pressure steamer. The liquid to be supplie... | 11/09/1982 |
| 4357812 | Tub having a debris collector for an automatic washer An automatic washing machine of the vertical axis type is provided with an annular channel in the bottom of the tub to collect debris and sediment particles and with an annular baffle to prevent the collected particles from being deposited in the washed a... | 11/09/1982 |
| 4357813 | Self-cleaning under basket lint filter for automatic washers A filter cone fixed to the bottom of a washing machine basket includes a plurality of closely spaced rigid teeth in a circumferential row extending outwardly and upwardly to divide the tub into first and second chambers for filtering laundry liquid during... | 11/09/1982 |
| 4357814 | Aircraft petcock lock A lock apparatus shields the valve stem of a petcock and prevents unauthorized opening of the petcock.... | 11/09/1982 |
| 4357815 | Locks for vehicular antitheft lock system A lock assembly has a tubular secondary lock housing having an inner wall generally centered on an axis and formed with an axially extending and inwardly open groove. A core plug is rotatable in this housing and has a central axially extending and open ke... | 11/09/1982 |
| 4357816 | Method of producing hollow articles by deep drawing and press for effecting same A press for manufacturing hollow articles by deep drawing comprising a high pressure vessel (1) accommodating a die (3) with a punch (4). A blank (14) is accommodated in an annular high pressure chamber (16) communicating with a high pressure chamber (19)... | 11/09/1982 |
| 4357817 | Process and tool for deburring flame-cut sheet metal elements The flame-cut sheet metal elements to be deburred have a surface which lies substantially in a plane and have edge portions which are formed with sharp-edged metallic burrs extending generally in said plane and carry slag beads which protrude from said su... | 11/09/1982 |
| 4357818 | Method of shaping metal A method of shaping metal in the form of a parallel-sided elongate sheet to make from it a formed profile that is of uniform cross-section except that at least one longitudinal edge is worked to generate a repeating pattern along its length, comprising co... | 11/09/1982 |
| 4357819 | Method and apparatus for simultaneously forming three uniform metal rounds Method and apparatus for splitting a single metal rod into three equal cross-section areas by passing the rod through pairs of rollers to form three connected equal areas, but not identically shaped strands, then applying a separating force to separate th... | 11/09/1982 |
| 4357820 | Safety control system for metal forming machine A safety control system for a metal forming machine having a vertically moving forming ram which cooperates with a stationary forming die for forming a variety of creases in sheet metal manipulated by an operator. The safety control system returns the for... | 11/09/1982 |
| 4357821 | Gauge and workpiece holder for a forming machine In a magnetic workpiece holder and gauge for a press brake, the core of an electromagnet for the work core is electrically insulated, and connected to a circuit for energizing the electromagnet when electrical contact is made between a magnetic workpiece ... | 11/09/1982 |
| 4357822 | Crimping collet A collet assembly for a hose crimping tool is disclosed in which rigid metal jaw elements are encircled by and locked within a separately molded elastomeric cage. The cage positions the elements in the free state and allows them to be radially compressed ... | 11/09/1982 |
| 4357823 | Strain gauge simulator In order to facilitate the accurate calibration of a strain gauge amplifier, an electrical circuit is provided, the output of which simulates the output of a strain gauge. A given polarizing current which is the same as that normally applied to the strain... | 11/09/1982 |
| 4357824 | Method for determining volatilization rates of dissolved volatiles from solid waste materials A cylinder containing a vacuum lid opening at one end and a tee connector is used as a containment vessel to measure the rate of volatilization of dissolved volatiles from solids. One end of the tee is connected to a vacuum pump and the other end is attac... | 11/09/1982 |
| 4357825 | Knock detecting apparatus for internal combustion engines A knock detecting apparatus for internal combustion engines includes a housing of a predetermined shape containing therein magnetic circuit means a part of which is formed by vibrating plate means made of a magnetic material and magnetic flux sensing mean... | 11/09/1982 |
| 4357826 | Method of detecting pinholes in hollow fibers A method of and a system for detecting pinholes in hollow fibers by passing a liquid filled fiber into a zone of pressurized gas wherein the pressure of a gas is higher than that of a liquid inside the hollow fiber so that bubbles may be injected through ... | 11/09/1982 |
| 4357827 | Gravimetric absorbency tester An apparatus for determining the weight of liquid flowing to or from a test site is described. The apparatus comprises, in combination: a vessel for containing liquid, the vessel being supported solely by a balance; an indicator for indicating the weight sense... | 11/09/1982 |
| 4357828 | Method of indicating a basic air-fuel ratio condition of an internal combustion engine An average value of an air-fuel ratio correction signal, which is gradually increased or decreased in accordance with output of an exhaust gas sensor for detecting the concentration of a particular component in the exhaust gas, and which is utilized for c... | 11/09/1982 |
| 4357829 | Apparatus for temperature control of a resistor used for measurement purposes, especially in internal combustion engines An apparatus for the temperature control of a resistor used for measurement purposes, in particular, in combination with air flow rate measurement purposes, in particular, in combination with air flow rate measuring devices in internal combustion engines ... | 11/09/1982 |
| 4357830 | Gas flow measuring apparatus A gas flow measuring apparatus of the type which measures for example, the amount of air flow to the engine of an automotive vehicle, includes a flow measuring tube, an electric heater wire and two temperature dependent resistance wires which are all posi... | 11/09/1982 |
| 4357831 | Ambient temperature correction device for liquid expansion thermometers A liquid expansion thermometer which includes ambient temperature correction means in the form of compensation elements located along the length of the thermometer duct and, each compensation element comprising a hollow shell in which is positioned a soli... | 11/09/1982 |
| 4357832 | Digital electronic balancing apparatus Electronic balancing apparatus for rotating bodies in which unbalance read-out for two-plane dynamic balancing can be obtained on an initial run without the need for trial weights or calibration runs, and wherein manual filter tuning, manual ranging of am... | 11/09/1982 |
| 4357833 | Position determination equipment An apparatus for determining the position of an object which is moving along an axis at frequent intervals of time and without making mechanical contact with the object, comprising position determinator means for providing an accurate position determinati... | 11/09/1982 |
