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Patent # Description
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...
US-4,632,629 Wheel lift apparatus for towing vehicles
A wheel lift towing apparatus is disclosed for mounting on the rear end of a tow truck or other towing vehicle for engaging the wheels of an immobilized vehicle...
US-4,630,006 Current-tuned transistor oscillator
A simplified current-tuned bipolar junction transistor oscillator is provided that is especially adapted for low power applications. The oscillator hereof...
US-4,624,189 Heated outlet valve for railway tank car
A valve attachment flange comprising the lading outlet for a railway tank car is placed in an insulative space between a heat element, heated fluid medium...
US-4,622,774 Animal trap
An improved animal trap adapted to be less injurious to a trapped animal because of a center mounted swiveling chain. The trap also has a flat base made possible...
US-4,621,446 Fishing rig
A fishing rig is disclosed, comprising a flat circular base member sized to cover a hole formed through an ice layer. A frame member is secured to the base...
US-4,616,173 Frequency counter
A frequency counter employs a temperature sensitive oscillator mounted in proximity to a master crystal oscillator to provide an output frequency which varies...
US-4,612,012 Corneal implant
Surgical replacement of all or a portion of the cornea may be performed through the use of an implant having a central lenticular portion, and a peripheral...
US-4,611,545 Conservation no till farming apparatus
A conservation no till apparatus for placing seed and fertilizer into the ground in one operation as pulled through the field includes a main implement frame...
US-4,610,558 Selectively free wheeling or drive hub for vehicles
The present invention discloses a self-contained hub assembly that can be placed onto the drive axles of a vehicle to provide either free wheeling of the wheel...
US-4,610,108 Balance spring locking slide block for tilt-out windows
The invention relates to tilt-out window assemblies in which a window sash may be rotated from its normal vertical position causing a slide block connected to a...
US-4,608,538 FM quadrature detector with ferrite bead tuned circuit
A quadrature detector circuit for demodulating frequency modulated information is provided that is particularly designed for use in television receive only...
US-4,605,239 Wheelchair tire and wheel cleaner
Tire and wheel cleaner for cleaning the wheels of wheelchairs. A mounting bracket is attached to the frame of the wheelchair and holds a support arm in one of...
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