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Patent # Description
US-4,723,659 Apparatus for detecting impurities in translucent bodies
An apparatus including a source for producing a concentrated light beam, such as a laser, a background element spaced from the source against which the light...
US-4,721,997 Signal to noise ratio measurement by sampling noise outside carrier frequency
The signal-to-noise ratio of the video portion of a television signal is measured by measuring the noise level in a 200 KHz band spaced 2 MHz from the video...
US-4,720,948 Insulated building construction
The present invention is directed to an insulated building construction which includes panels having interior and exterior skins with an insulating core...
US-D293,811 Manifold for a plant watering unit
US-4,718,194 Window sash support and movement lock assembly
A window sash support and movement lock assembly reciprocably disposed within an associated track element. The sash support and movement lock assembly includes a...
US-4,715,776 Wind turbine system using a savonius type rotor
The present invention relates to a combination of a Savonius type rotor (20) and a deflector plate device (101) which serves as an augmentation apparatus which...
US-4,712,922 Material mixing apparatus
An apparatus for mixing animal feeds and the like comprises a rotor having two opposing end assemblies connected by a center shaft for rotation within a mixer...
US-4,709,456 Method for making a prestressed composite structure and structure made thereby
A prestressed composite structure (48) and method for making same. The ferroconcrete prestressed structure (48) includes a tensile member (10) which includes a...
US-4,708,520 Concrete finishing machine with adjustable auger unit
A concrete finishing machine includes two finishing cylinders with two augers mounted in line with the two cylinders, forward ends of the augers being suspended...
US-4,705,449 Skid-steer vehicle
A skid-steer vehicle has a housing defining a driver's compartment and a loader arm that permits the driver to enter and leave the vehicle through left and right...
US-D292,661 Food tray
US-4,702,893 Acid air pollution precipitators
An apparatus is provided for the elimination of the gaseous pollutants sulfur dioxide and nitric oxide from the emissions of furnaces and smelters, and for the...
US-4,701,098 Cable wheel handling and transporting trailer
A cable reel handling and transporting trailer including a wheeled frame having a forwardly extending hitch provided on the forward end thereof. The wheeled...
US-4,700,804 Seismic energy source
A hydraulically controlled seismic energy source for impressing individual seismic energy pulses into the ground, wherein the hydraulic pressure forcing the ram...
US-4,699,363 Framing jig
A framing jig for fabricating subassemblies for use in the construction of buildings. The jig has a supporting base defining a horizontal work surface, an end...
US-4,697,304 Friction controlled window balance
This invention relates to a window sash balance of the coil spring and cord type in which a friction drag element is in frictional contact with multiple lengths...
US-4,694,507 Welder's hood having a chin operated window closure
A mechanism for opening and closing a window closure member (12) in a welder's helmut (10) by movement of the welder's chin. The helmet is provided with a chin...
US-4,692,339 Process for addition and stabilization of vitamin C in a hard candy-like comestible
Vitamin C is added to candy-like comestibles requiring high cooking temperatures in the form of powdered ascorbic acid and/or sodium ascorbate at a precise time...
US-4,690,461 Cutting head for strip mining apparatus
A cutting head for a strip mining machine is provided that has a unique arrangement of cutting arms for prolonging the lift of the cutting head, which provides...
US-D291,547 Cement mixer truck
US-4,685,240 Ice fishing tip-up
An ice fishing tip-up having a fishing reel horizontally mounted on a base plate, an alert pole, and a retainer to hold the alert pole in a horizontal position...
US-4,681,597 Method for agglomerating powdered coal by compaction
In its method aspect, this invention proposes adding water and small quantities of surfactant, such as dioctyl sodium sulfusuccinate, to powdered carboniferous...
US-4,678,892 Combination cleaner safety circuit
A safety control circuit for an electric combination cleaner includes an on-delay relay (18) operatively coupled with the motor start relay (16) together with an...
US-4,678,025 Heating/cooling/ventilation unit
An apparatus for heating and cooling which features a unique energy recovery ventilation apparatus and method. During energy recovery ventilation, a cycling...
US-4,678,001 Pump prime maintainer
A device for controlling the flow through a suction pump to prevent loss of prime usable especially in narrow ditches and similar smaller areas, and consisting...
US-4,676,019 Fishing rod holder
A device for holding a fishing rod especially useful for persons having the use of only a single hand. The base is heavy and has ribs for keeping the device in...
US-4,674,586 Rollaway oil drain pan
An oil drainage pan construction for fast oil change establishments comprising a rectangular open topped pan having a screen over the top with the pan adapted to...
US-4,667,856 Dispenser for attachment to liquid containers
A dispenser for attachment to liquid containers is disclosed which allows a contained liquid to be dispensed by pumping rather than pouring from the container,...
US-4,667,542 Saw blade sharpening fixture
A gimbal-like device having an arbor for holding a circular saw blade mounted on an angled arm which is attached to a carrier plate which is pivotable about one...
US-4,666,082 Temperature responsive pneumatic control device
A temperature responsive pneumatic control device comprising a receptacle containing a temperature responsive fluid therein, the receptacle being in open...
US-4,664,832 Deicing chemicals and their preparation from polysaccharide sources
Deicing chemicals intended primarily for decing pavement such as roads, bridges, and runways are prepared from polysaccharide sources (e.g., waste products such...
US-4,662,472 Electric tractor
An articulated battery-powered electric tractor includes front and rear frame members which are pivotally connected for movement about a substantially vertical...
US-4,662,116 Grinding attachment
The present invention is a grinding attachment (10) which can be utilized as either a belt grinder or a disc or wheel grinder. The attachment (10) includes a...
US-4,661,109 Intraocular lens
An intraocular lens for replacing the natural human eye lens during cataract surgery. The lens provides fixation struts for centering the lens within the eye,...
US-D289,360 Truck tool
US-4,651,956 Deflation and control system for hot air balloons
There is disclosed herein a hot air type balloon which includes a balloon envelope having a generally circular top opening and a top cap adjacent the top opening...
US-4,651,459 Automatic fishing device
A fishing apparatus particularly adapted for ice fishing. Fishing line having a first stop member thereon is wound around a rotatable spool member. A winding...
US-4,648,216 Prefabricated building
A building constructed utilizing prefabricated wall frame structures, prefabricated roof truss structures and prefabricated purlin structures. In constructing...
US-4,648,190 Single shot falling block action
A falling block rifle action which is cocked by the downward movement of the breechblock and which includes a safety mechanism for blocking not only a trigger...
US-4,645,603 Liquid aeration device and method
In the treatment of livestock waste, liquid to be aerated is pumped from a storage container, holding pond or lagoon and drawn through a magnetic air inductor...
US-4,645,535 Method for the recovery of precious metals from ores
A process for the recovery of precious metals from ore containing the same is disclosed. The process includes the formation of a lixiviant solution including a...
US-4,644,244 Battery conditioner
A depolarizing device conditioning for small batteries includes an open ended housing for receiving and holding a large battery to be used as a source of...
US-4,643,209 Vehicle washing machine
Car washing apparatus which provides for multiple uses of washing fluid and an improved vehicle washing structure utilizing a single multi-nozzle manifold that...
US-4,642,845 Balance assembly for a window
This invention relates to a balance assembly for windows in which a gas pressurized piston and cylinder device with pulley wheels at each end acts as a balance...
US-D288,280 Transmission adaptor bracket
US-4,637,772 Loader mount
A mount for disconnectably attaching an appliance such as a loader on the front end of a tractor with the loader having a mounting frame with channels at each...
US-4,637,481 Self-propelled scale testing vehicle
A self propelled scale testing vehicle (20). The vehicle (20) includes a platform (22) supported about the surface of the ground by four wheels (34), the...
US-D287,793 Picture frame
US-4,635,617 Grease catch basin with solvent reservoir for use with cooking exhaust systems
For use particularly with exhaust systems from cooking areas, such as roof-mounted restaurant exhaust fans, a grease catch basin is mountable about the exhaust...
US-4,634,881 Apparatus for detecting impurities in translucent bodies
An apparatus including a source for producing a concentrated light beam, such as a laser, a background spaced from the source against which the light beam is...
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