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Patent # Description
US-4,102,073 Animal identification tag
An animal identification tag assembly for mounting on the ear of an animal comprising a one-piece identification member adapted to be mounted on the upper outer...
US-4,101,882 Data read-out system and apparatus useful for angular measurements
Data acquired from a source such as a coded disc is processed so as to be free of ambiguities associated with boundary transitions where the data source produces...
US-4,099,703 Self-cleaning precision metering valve
An adjustable needle valve provided with an orifice and a needle valve stem is characterized by a finely calibrated adjustment means connected to the valve stem...
US-4,098,248 Fuel regulator for a two-cycle gas engine
A large, two-cycle, port-scavenging gas engine commonly used for oil field pumping operations includes a mixing section at the intake of the scavenging chamber....
US-4,096,673 Method of anchoring
Cables are anchored in the ground by attaching one end of the cable to an intermediate portion of an elongated tubular member having a leading driving end with...
US-4,095,348 Digital compass
A hand-held digital compass employs an incremental encoder including a digit code disc and sensor unit which are so interrelated with a logic circuit as to...
US-4,094,446 Heated dispenser for hot toppings and the like
This invention relates to improvements in a heated dispenser for hot toppings and the like of the type having an immersible pump and spigot subassembly...
US-D248,028 Writing instrument
US-4,086,908 Perforated heat transfer sheet
A highly efficient, low cost, heat transfer sheet providing for transfer of heat from the sheet to a fluid and finding particular use in solar collectors.
US-4,086,030 Free fluid-operated well turbopump
A fluid-operated turbopump, suitable for installation in the bottom hole tubing of an oil well, is structurally adapted as a hydraulically insertable and...
US-4,085,863 Map vending machine
Folded documents are singly fed from the bottom of a stack by an ejector having a pin, hook or catch along one edge which moves below the bottom of the stack and...
US-4,083,939 Use of tributoxyethylphosphate to control foam in the production of soda ash from trona
Tributoxyethylphosphate is useful in controlling foam produced during the evaporative crystallization of calcined trona solutions. The chemical is effective at...
US-4,083,450 Pipe-tape spool
A spool for storing tape for taping large underground pipe is disclosed. The spool is capable of being disassembled for use in removing a roll of pipe tape. The...
US-4,083,139 Ice fishing apparatus
An ice fishing apparatus including a main support member, a cross member disposed transversely of said support member and attached thereto, a trigger mounted on...
US-4,081,041 Dust-collecting head
A system for collecting dust during drilling operations in a mine with a roof drill machine is described herein. The system consists of a mobile roof drilling...
US-4,080,179 Colloidal magnesium suspension in critical low concentration in motor gasoline and method of preparation
A colloidal magnesium suspension is prepared by grinding 400 mesh pure magnesium (99.8+%) in dry kerosene until it reaches colloidal dimensions (from about 500...
US-4,080,178 Colloidal magnesium suspension in critical low concentration in diesel fuel
A colloidal magnesium suspension is prepared by grinding 400 mesh pure magnesium (99.8+%) in dry kerosene until it reaches colloidal dimensions (from about 500...
US-4,080,177 Colloidal magnesium suspension in critical low concentration in jet fuel
A colloidal magnesium suspension is prepared by grinding 400 mesh pure magnesium (99.8+%) in dry kerosene until it reaches colloidal dimensions (from about 500...
US-4,077,642 Movable bed trailer
A movable bed trailer includes a U-shaped frame mounted on a pair of oppositely-disposed wheels and is adapted to be pulled behind a vehicle. A load bed is...
US-4,077,428 Transportable water injection plant
A portable water injection plant for use either in waterflooding operations in secondary recovery of oil from an underground formation penetrated by oil recovery...
US-4,076,091 Self-propelled vehicle
A self-propelled vehicle includes front and rear wheel assemblies mounted on a frame for supporting it rollably above the ground, the front wheel assembly being...
US-4,075,281 Purification of carbonate process solutions
Present process relates to the purification of carbonate process solution which comprises passing said carbonate process solution through a bed of activated...
US-4,074,780 Earth auger
An earth auger having an integral or one piece cutting blade and pilot element so arranged that the pilot element is spaced downwardly from the shaft of the...
US-4,073,352 Raise bore drilling machine
A raise bore drilling rig is provided for use with a drill string of non-round cross-sectional configuration; the drill string is connectible through a pilot...
US-4,070,833 Bracing apparatus
Bracing apparatus for supporting vertically disposed structures, in particular wall constructions, prior to their connection with other components of a...
US-4,065,867 Lock for rifle
An improved lock for a muzzle-loading caplock rifle, the lock producing a side-hammer action with a vertically acting sear in a design utilizing only coil...
US-4,065,151 Retractable ski binding
A retractable ski binding for retaining a ski boot in normal skiing relationship on a ski, which yieldably permits separation of the boot and ski responsive to...
US-4,065,024 Safety closure for portable receptacles
A safety-adapted pivoted closure device for vessels containing volatile or flammable liquids is disclosed. The disclosed pivoted closure device has a flash...
US-D246,743 Child's tooth receptacle
US-4,062,436 Matrix head calculator printer
A lightweight, extremely compact printer apparatus has a constant speed drive which imparts reversible, translatory motion to a print head; and as the print head...
US-4,060,927 Fish weight blind binding
A fishing sinker consists of a lead weight and a length of stainless steel wire, the lead body of the sinker being elongated in shape and triangular in...
US-4,060,396 Wafered fuel of compressed wood products
A fuel made of a major portion of compacted wood particles as a log of an integrated array of interlocking, disc-shaped wafers, which may be separated from the...
US-4,054,137 Irrigator for body cavities
An irrigator for applying an irrigating solution to internal body cavities. A housing defines a first chamber for holding a supply of irrigating solution liquid...
US-D246,062 Playing card holder
US-4,050,874 Centrifugal extrusion apparatus which heat plastifies material by mechanical shearing action
A centrifugal extruder is provided with a friction generating element within a hollow rotor of the extruder. The material to be extruded is heated by shear...
US-4,050,742 Transporting heavy fuel oil as a slurry
Heavy fuel oil having an average pour point above the average minimum temperature of a transporting system is effectively transported by first physically...
US-4,050,526 Post driving machine
A portable hydraulic actuated machine for driving posts, ground anchors, concrete breakers, core drills and the like work pieces into the ground, pavements, or...
US-4,049,236 Tool for removing staples
A tool for removing U-shaped wire staples has a handle and an elongated rod-like tool which has a pointed lower part for positioning adjacent the bridge of a...
US-4,047,816 Attitude determination using two transmitter/receiver stations and skewed reflectors
A system is provided for remote determination of the attitude of a vehicle. he system utilizes two remotely located transmitting-receiving stations and two...
US-4,046,246 Serial impact calculator printer
A serial impact printer of the type utilizing a dot matrix print head is specifically adaptable for use as a calculator or adding machine and is characterized by...
US-4,044,513 Earth anchor
An elongated tubular ground anchor having a leading driving end with an internal impact receiving abutment and a tapered out-turned trailing end has an external...
US-4,041,463 Document filing, updating and retrieval system
A system for filing, updating, and retrieving source documents comprising a video tape recorder; an electro-optic scanner for converting the images on source...
US-4,038,590 Pulse code modulation radio control system
A pulse code modulation communication system adapted in a preferred embodiment to the remote control of a flying model aircraft. The positions of the various...
US-4,037,975 Writing instrument
A writing instrument of new and novel configuration in the shape of a bird, such as a duck, and the like. One end, preferably the head portion of the instrument...
US-4,033,712 Fuel supply systems
A combustion apparatus has an exhaust system, a fuel-supply system, and an air-supply system. The ratio of fuel-to-air supplied to the apparatus is adjustable in...
US-4,031,574 Timed ventilator for toilets
A timed ventilator for toilets which mounts entirely within the toilet tank, and which operates from a battery power source to remove air from the toilet bowl...
US-4,028,040 Material mixing and compacting apparatus
Molten coke forming material is processed by infeed through sealing gates to an elongated housing within which it is mixed, cooled and compacted into a solid...
US-4,025,152 Electrical terminal connector
Electrical terminal connector characterized by a loop-like member comprising parallel legs joined at their ends by bight portions and aligned apertures extending...
US-4,024,910 Rock channel heat storage
A heat or cold storage system utilizing a plurality of channels dug directly into the earth and filled with rocks which are used to absorb heat or cold for...
US-4,021,977 Reusable yielding post supports
Posts, such as roadside delineators and sign supports are mounted upright from the ground by tubular anchors driven into the ground from their leading ends and...
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