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Patent # Description
US-4,371,626 Method of upgrading crude sodium bentonite
A method of upgrading crude sodium bentonite to improve its fluid loss properties, comprises subjecting the bentonite to shearing forces that are sufficient to...
US-4,368,757 Cleaning apparatus and method
Pressure cleaning apparatus comprising a pair of liquid containers at substantially the same level, including a water container (11) and a detergent container...
US-4,366,923 Snap-in tire carrier
An assembly for snapping a spare tire to the inside wall of a pick-up truck is disclosed. An angle brace extends from a base plate in contact with the truck...
US-4,365,625 Expandable oral airway
An expandable airway has two elongated airway forming members having a curved one end portion for effecting insertion and removal of the one end portion of both...
US-4,364,199 Removable-tilt-out window construction
The invention relates to a removable tilt-out window construction in which a window may be rotated 90.degree. from its normal vertical position and such rotation...
US-4,363,789 Alumina production via aluminum chloride oxidation
A method for producing alumina from a material containing alumina values via a chlorination step which process comprises the steps of: (A) dehydrating the material,...
US-4,363,197 Adjustable support rollaway bleacher
A reinforced folding bleacher support structure and method of reinforcing existing folding bleachers. The improvement includes an adjustable brace structure...
US-4,361,991 Seating and guard rail structure for bleachers
A seating and guard rail structure for bleachers having seating sections which may be compacted together to occupy a minimum space during storage and having...
US-4,359,686 Metal detection apparatus with basket
A metal detection apparatus that detects metal objects includes a nonmetallic basket in which the metal objects are retrieved. The nonmetallic basket has a top...
US-4,359,311 Wind turbine rotor
A turbine apparatus for utilization of the kinetic energy of moving air or fluid is disclosed. The turbine apparatus is comprised of a rotor (20) mounted for...
US-4,358,652 Fluid heater apparatus
A fluid heater apparatus for providing heated fluid on demand, the apparatus including at least two microwave heating units with coiled tubing disposed in the...
US-4,356,849 Molding curvature template fixture
A molding curvature template fixture is disclosed. The fixture (10) holds a strip of molding (16) and provides a template for a portable router to follow to...
US-4,356,821 Airway
An expandable airway for insertion into the throat of a patient having two elongated airway forming members each having a curved one-end portion adapted to fit...
US-4,355,008 Chlorination process
There is described a method for producing alumina from a material containing alumina values via a chlorination step which process comprises the steps of: (A)...
US-4,355,007 Two stage chlorination process for aluminum value containing source
A two stage process is described for chlorinating aluminum value containing materials such as bauxite, clay, fly ash, etc. The process comprises the steps...
US-4,353,740 Chlorine extraction of gold
A process for treating a particulated gold bearing ore to recover the gold therein is disclosed. The process includes roasting the ore to remove sulfides as...
US-4,352,515 Pin-actuated rotatable ram bar apparatus and carrier adapter
A rotatable ram bar apparatus having at least one ram bar assembly for attachment to a vehicle bumper, the assembly including a ram bar the outer side of the...
US-4,352,058 Method and apparatus for measuring leakage to ground
Leakage current to ground from accessible locations on single phase electrical equipment is measured by powering the equipment through an isolation transformer...
US-D266,238 Detachable front bumper hitch
US-4,349,516 Process for treating the gas stream from an aluminum value chlorination process
A method for producing aluminum chloride suitable for direct introduction into an aluminum chloride reduction cell by treatment of the gas stream emerging from...
US-4,348,989 Adjustable waterer
An adjustable animal waterer including a wall-mounted stanchion on which is slidably mounted a watering device to be connected on one end to the water source and...
US-4,346,305 Governor for fluid current motor
A fluid current motor having at least one vane mounted on a support for being moved by a fluid current. Flappers are pivotally mounted on the vane for orbital...
US-4,345,547 Crate crib attachment
A crate crib attachment (10) is disclosed which is mounted by means of a plurality of adjustable mounting brackets (30) upon a topmost end portion of a farrowing...
US-4,341,181 Livestock confinement pasture machine
The livestock confinement pasture machine (10) includes a confinement unit (12) for confining livestock within a defined area. A drive assembly (36) is mounted...
US-4,340,446 Heat recovery in distillation process
A distillation process for recovering concentrated ethanol from an aqueous fermentate comprises fractionation of components of the aqueous fermentate under...
US-4,338,337 Method for recovering and recycling animal waste materials
A method for recovering and recycling animal waste materials permits the separation of the solids with a desired moisture content from the remaining liquids and...
US-4,337,583 Apparatus and method for drying a substance
An apparatus (10) for drying a substance is disclosed. Apparatus (10) includes a pair of side-by-side cylinders (12). Drums (14) are concentrically journalled...
US-4,337,006 Device for preparing and cleaning trench for an aquifer recharging system
A device for preparing a trench or dam for the recharging of an aquifer or similar use and for cleaning the recharging means. The aquifer recharging means is...
US-4,332,615 Process for beneficiating a titaniferous ore
Titaniferous ore is beneficiated to essentially pure titanium dioxide use in the production of titanium dioxide pigments by continuously chlorinating, in the...
US-4,331,645 Alumina from alkali metal-aluminum chloride complexes
A method for the production of reduction cell grade alumina from alkali metal/aluminum chloride complexes comprising the steps of: A. reacting the alkali...
US-4,331,637 Process for purifying aluminum chloride
A method for purifying with respect to iron, aluminum chloride produced via the chlorination of aluminum bearing ores or materials which also contain iron. The...
US-D264,533 Belt hanger
US-D264,531 Portable fish filleting table
US-4,329,966 Controlled pollution control valve by-pass device for carbureted internal combustion engine
A fuel saving device for a carbureted engine having a pollution control valve comprising a by-pass duct adapted to convey gases from the crankcase around the...
US-4,327,582 Liquid wheel balancer
A liquid wheel balancer including a spherical bubble level mounted on a disc held on the rim of a wheel by telescoping, adjustable arms radiating from the disc....
US-4,326,750 Gate assembly and control assembly therefor
An improved gate assembly and gate control assembly for operatively controlling the movement of the gate assembly in material discharging equipment is provided...
US-4,323,972 Ohm meter with automatic lead resistance compensation
An ohmmeter includes a memory section, which stores the resistance value of the associated leads, and a function section, which algebraically subtracts the said...
US-4,320,987 Concrete vibrator machine
A concrete vibrator machine movable longitudinally of a roadway, or the like, with a vibrator unit movable back and forth transversely of the roadway, with the...
US-4,319,765 Reversible push block-rear bumper and pintle hook assemblies
A reversible push block-rear bumper assembly for attachment to a motor vehicle is provided in which a support unit having a forwardly inclined downwardly...
US-4,315,917 Method of treating cannibalism in poultry
The incidence of infectious disease in poultry is reduced and/or antisocial behavior is controlled by providing the poultry with drinking water containing a...
US-4,314,709 Load transfer trailer for transit mixer
A load transfer trailer which is utilized as an addition to the main frame of a transit concrete mixer and which provides an auxiliary axis assembly to the rear...
US-4,314,498 Drum having internal double acting control to provide variable pitch
A drum with adjustable tension on the drum head in which the adjustment mechanism includes a pedal operating a device adapted to pull a spider within the drum....
US-4,314,420 Fishing device
A fishing device presents lures or bait just off the bottom of a stream, lake, or river. The device includes a sinker having a streamlined body, an L-shaped...
US-4,311,322 Self-locking folding outrigger assembly
A folding, self-locking outrigger for a load transporting vehicle, the outrigger disposed on a side of the vehicle such that the outrigger is movable between a...
US-4,308,858 Solar energy collecting apparatus and methods
In solar energy collecting apparatus the problems of leakage due to differential thermal expansion and contraction between different parts of the collector,...
US-4,307,490 Method and apparatus for applying an electrical potential to animal carcasses
An electrical potential is applied to suspended animal carcasses by a cylindrical carcass-contacting electrode which is continuously rotated about its central...
US-4,298,775 Microprocessor controlled telephone set
The present invention is a telephone set for use in a telephone network in which a central switch gear is connected to incoming telephone lines and to a...
US-4,298,224 Eaves cleaning implement
An implement for cleaning leaves and other debris from overhead gutters or eaves of a building by a single operator with a to-and-fro motion while standing on...
US-4,297,125 Tree rooting using synthetic auxins
Aryl esters of auxins, such as phenyl indole-3-butyrate, are found to significantly improve the initiation of rooting of cuttings is difficult-to-root species,...
US-4,296,834 Folding sawhorse
A folding sawhorse having an improved leg brace and storage hasp means. The sawhorse is of a type having two sets of leg pairs hingedly connected to a sawhorse...
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