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| Number | Title | Issue Date |
| 4262842 | Hot water timer A timer for monitoring the use of hot water in the home to conserve energy is shown. The entire timer apparatus is enclosed inside the hot water control knob so that when the control knob is rotated to turn ON the hot water, the timer is activated. After ... | 04/21/1981 |
| 4259619 | Three-way light dimmer switch A three-way light dimmer switch is shown wherein the brightness of a lamp or lamps is controlled by independent light dimmer switches with each dimmer switch having its own light dimmer circuit. Each of the light dimmer switches is vertically actuated wit... | 03/31/1981 |
| 4255013 | Rifle scope having compensation for elevation and drift A variable power telescopic gunsight is shown with an automatic correction factor for elevation and/or drift. As the magnification is adjusted by a rotatable means on the gunsight which typically moves a pair of lens in response to camming action, a third... | 03/10/1981 |
| 4253665 | Polymer alloy bowling ball A bowling ball having a thin viscous film deposited upon its surface from within the ball for increasing the coefficient of friction between the ball and the bowling lane. The film comprises a saturated plasticizer incorporated into the ball at the time o... | 03/03/1981 |
| 4237642 | Sailing trotline A sailing trotling consisting of a buoyant frame member to which is adjustably secured a sail. The buoyant frame member is designed to project a trotline from an operator to a remote position. A hand-operated or electric-motor-operated windlass is provide... | 12/09/1980 |
| 4229002 | Golf swing exercise device A golf swing exercise device for utilization indoors. The device is designed to be suspended on a door by means of a horizontal base to which is secured door hooks. An elongated "T" beam extending outward normal to the base supporting pulleys. The "T" bea... | 10/21/1980 |
| 4222975 | Apparatus and process for repairing underground gasoline tanks The apparatus to practice the method of this invention is particularly effective in repairing underground gasoline storage tanks which have fractures or perforations directly underneath the filler pipe. A boring and injection tool projects down the filler... | 09/16/1980 |
| 4212267 | Insect study station An insect study station comprising an elongated transparent cylinder enclosed and supported by a detachable base. The interior of said base having constructed an indentation therein defining a food cup of a configuration affording open access to the trans... | 07/15/1980 |
| 4212220 | Magnetic sensor for a musical instrument and method of constructing same Method and apparatus are disclosed for a magnetic sensor for use with a musical instrument having magnetic vibrating elements. The magnetic sensor has two magnetic poles and comprises a flexible, electrostatically shielded coil-magnet, a cable coupled to ... | 07/15/1980 |
| 4205743 | Conveyor feeder for candy eggs A conveyor feeder for positioning and loading candy eggs on a chain link conveyor. The feeder receives candy eggs from a controlled feed chute, a cone member distributes the eggs radially in a cylindrical hopper onto a counter-rotating ring. Rotating brus... | 06/03/1980 |
| 4197478 | Electronically tunable resonant accelerometer An electronically tunable resonant accelerometer is shown wherein the frequency of a resonant peak may be adjusted over a range of frequencies. A piezoelectric element of the accelerometer is used with a seismic mass to generate an output voltage in respo... | 04/08/1980 |
| 4189125 | Ground support pads for mobile structures A ground support pad is described which is typically composed of a polyolefin-homopolymer and consists of two separate and identical halves which may be snapped together to form an integral unit. The pads may be used to support any heavy structure upon th... | 02/19/1980 |
| 4188946 | Controllable partial rebreathing anesthesia circuit and respiratory assist device A method and apparatus for administering anesthesia to a patient is shown. A control module may be connected through an inhalation breathing circuit to a patient with a portion of the mixed/expired gases being rebreathed by the patient thus improving humi... | 02/19/1980 |
| 4181943 | Speed control device for trains A speed and location programmer located at a particular train station is used to prepare a non-volatile program that may be used by an on board microcomputer to control the speed of a train. The program includes train orders, track conditions, and other r... | 01/01/1980 |
| 4179153 | Tool box carrying apparatus and method A tool box carrying apparatus is shown wherein a tool box may be mounted under the hood of an automobile having a truck type front. A window washing bottle normally connected to the side wall of the automobile is disconnected, and a side of the tool box c... | 12/18/1979 |
| 4178726 | Method and apparatus for protecting thread on an earth anchor A releaseable telescoping device for protecting the threads of a rod of an earth anchor against corrosion is shown. The releaseable telescoping device has a plurality of sheath sections of dissimilar radii connected by small radially extending flanges the... | 12/18/1979 |
| 4177676 | Sensor positioning apparatus A meter mounting mechanism which is hydraulically operated is disclosed. It is particularly adapted to insert and position a meter transducer in a high pressure environment. The illustrated embodiment discloses a flange-mounted mechanism for positioning a... | 12/11/1979 |
| 4174837 | Drug dispensing apparatus for a hunting arrow A drug dispensing apparatus is provided for use with an arrow for hunting animals. The apparatus includes a center cylinder slideably receiving the shank of the arrow therethrough. The trailing edge of the center cylinder has outwardly extending flange ho... | 11/20/1979 |
| 4173994 | Solar energy heating and cooling apparatus and method A method and apparatus for heating and/or cooling an enclosed area from solar energy is shown. A fluid is pumped into a concentrating solar energy collector for heating by the sun's rays. Fluid in the collector is vaporized and flows through a regulating ... | 11/13/1979 |
| 4172670 | Liquid sample collection apparatus A liquid sample collector is disclosed. It incorporates a cylinder having a piston therein to define a storage chamber. There is an inlet to the storage chamber. In the storage chamber, a stirring plate mounted on a rod agitates the sample to prevent stra... | 10/30/1979 |
| 4172485 | Camera case An apparatus for enclosing a camera body and camera lens is disclosed. In the illustrated and preferred embodiment, the structure incorporates a generally rectangular case for a camera body. The case is sized to enclose a typical 35 millimeter single lens... | 10/30/1979 |
| 4169681 | Liquid stirring apparatus An apparatus for stirring a liquid, having a stirring blade which is not only capable of rotating, but simultaneously moving in a vertical direction. The number of rotations of the stirring blade during one stoke of its vertical movement may be altered to... | 10/02/1979 |
| 4169505 | Kick-over apparatus A kick-over tool is disclosed, the preferred embodiment supporting a tool in installing or removing sidepocket-located gas-lift valves. The kick-over tool incorporates, describing it from the upper end, a detent mechanism which locks a sliding sleeve, the... | 10/02/1979 |
| 4165678 | Paper log forming apparatus An apparatus for rolling newspapers or the like into logs for burning is shown. A foot-operated electric motor is securely mounted on a work surface. Connected to the motor and parallel to the work surface is a rectangular shaft removeably supported on th... | 08/28/1979 |
| 4164862 | Multicomponent thermal conductivity analyzer Apparatus for measurement of gases in a multiple component gas stream or sample is disclosed. A regulated pressure system delivers the gas to N thermal conductivity type detectors utilizing wheatstone bridges. The thermal conductivity detector utilizes a ... | 08/21/1979 |
| 4163477 | Method and apparatus for closing underwater wells A method and apparatus is shown and described for remotely closing a well(s) without the possibility of accidental closure. The method and apparatus will have a significant application to underwater wells. A point of activation of a gas generator is remot... | 08/07/1979 |
| 4154558 | Impulse pump using spark discharge to actuate fluid link An impulse pump is disclosed. In one embodiment, the impulse pump utilizes an elongate tubular outer housing which surrounds an axial passage. The axial passage is lined with a tubular resilient member. The resilient lining fits snugly against the wall of... | 05/15/1979 |
| 4147924 | Tortilla warmer The present invention is an apparatus for use at the dining table to provide a continuous supply of hot tortillas. An elongated housing has two openings in the top thereof with a first opening having a resistive heating element contained therein, and the ... | 04/03/1979 |
| 4144749 | Total body volume meter The present apparatus shows a device for measuring the total volume displaced by a human body. A tank portion has an enlarged upper opening for an individual to enter the tank therethrough. Thereafter, while the individual is in a sitting position inside ... | 03/20/1979 |
| 4137854 | Planting apparatus including spring for vibration of pickup spokes A planting apparatus is shown having a drive wheel for turning a drive belt connected to an axis extending through a hopper. Inside the hopper, a pickup wheel having individual spokes extending radially outward is rotated by the axis. Each spoke there has... | 02/06/1979 |
| 4129829 | Chronograph An apparatus for measuring velocity of a bullet is shown. A portable clamping device securely holds the barrel of a gun in position during firing. A bullet fired from the gun is projected through two openings located a predetermined distance apart from th... | 12/12/1978 |
| 4125006 | Sheet metal former A sheet metal forming apparatus is shown with a plurality of various size and shaped rollers. The rollers are substantially parallel with a first end being open, and a second end being rotatably anchored and extending through a stationary bearing housing.... | 11/14/1978 |
| 4100491 | Automatic self-cleaning ferromagnetic metal detector A ferrous metal detecting apparatus is disclosed for detecting metal particles in a flowing fluid, such as engine oil. The detecting apparatus has soft-iron pole pieces with a bridging gap therebetween. The soft-iron pole pieces are electrically insulated... | 07/11/1978 |
| 4100462 | Combination incandescent/fluorescent lighting system A combination incandescent/fluorescent lighting system is shown that gives an efficient, high quality light. An incandescent lamp in series with the fluorescent lamp is used as a ballast. An auxiliary starting circuit is used to create a high voltage for ... | 07/11/1978 |
| 4096917 | Earth drilling knobby bit A partially solid head bit having a flow passage therethrough located at approximately the center of the bit is shown. The bit is designed for use in conjunction with a hammer action drilling apparatus. The flow passage extends through a shank of the bit ... | 06/27/1978 |
| 4094122 | Apparatus for handling extrudable substances An apparatus for handling extrudable substances has a source of power for driving a series of rollers and cutters in response to a control signal. A dispenser feeds paper or other suitable wrapping material to a first set of rollers which may include a cu... | 06/13/1978 |
| 4092828 | Hydroelectric plant A hydroelectric plant operated by wave action is supported by the ocean floor and extends above the surface of the ocean. Connected to an outer edge of the plant structure above the surface of the ocean is a plurality of pivotally connected lever arms hav... | 06/06/1978 |
| 4089777 | High capacity separator for semolina The present invention relates to a separator commonly used in flour mills. The grain is crushed by rollers and fed to the present apparatus for separation of a coarse product from a fine product. A drum section has stationary hammers extending from one en... | 05/16/1978 |
| 4085399 | Electrical power control assembly A pivoted power controller in its limit positions engages a switch operating element to shunt or open a power control circuit through switch contacts mounted on a circuit board. A resistive element mounted in the same circuit board is engaged by a wiper o... | 04/18/1978 |
| 4083267 | Fuel control device for internal combustion engine A solenoid operated valve is positioned in the idle fuel mixture passage of the carburetor of an internal combustion engine of an automobile. When the automobile has reached a certain speed, if the driver releases the accelerator, a throttle linkage switc... | 04/11/1978 |
