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Patent # Description
US-3,977,478 Method for laser drilling subterranean earth formations
Laser drilling of subterranean earth formations is efficiently accomplished by directing a collimated laser beam into a bore hole in registry with the earth...
US-3,977,251 Sight glass assembly
A sight glass assembly adapted to be mounted across an opening in a container wall, generally including a housing structure having an opening registrable with...
US-3,976,747 Modified dry limestone process for control of sulfur dioxide emissions
A method and apparatus for removing sulfur oxides from flue gas comprise cooling and conditioning the hot flue gas to increase the degree of water vapor...
US-3,976,147 Auger
A safety earth auger is employed for forming post holes and in similar uses. The auger is supported pivotally beween elongated handles and is driven from an...
US-3,975,650 Ultrasonic generator drive circuit
The ultrasonic generator comprises a transducer which is adapted to vibrate in a fundamental frequency mode and the harmonics thereof in response to a square...
US-3,975,029 Drill bit centrifugal vise
A pair of eccentrically pivotally mounted vise arms on a base plate element disposed concentrically on a rotatably driven drillhead are urged by centrifugal...
US-3,974,259 Monovalent metal salts of dodecametal triaconta carbonyls
This invention relates to novel carbonyl mixed metal salts, containing more than one metal and having the formula: wherein M is a monovalent metal cation which is one...
US-3,974,132 Process for curing olefin polymers
Heat-curable ethylene polymer compositions wherein triallyl phosphate is used as a coagent. The composition also contains an organic peroxide catalyst.
US-3,974,109 Polyurethanes containing halo-aryl amide-ester polyols
Novel aromatic compounds are provided in which the aromatic nucleus has bonded thereto (1) at least one bromine or chlorine atom, (2) an amido group wherein...
US-3,973,791 Safety coupling device
A coupling device adapted for connecting conduits or the like which carry pressurized fluid and essentially embodies first and second coupling members, a pair of...
US-3,972,744 Method of and means for making lightweight, low cost impact resistant bumpers
Bumper bars are shaped from easily workable relatively thin gauge sheet or strip steel into bumper bar shell profile provided with a horizontally elongated body...
US-3,972,450 Containers
Molded and or cast cylindrical container of suitable plastic or the like of the standard 55 gallon (U.S.) tight head universal drum outward dimensional...
US-3,972,017 DC potential controller
A D.C. potential controller is provided for controlling the magnitude and polarity of a D.C. potential applied to a D.C. drive motor. The controller includes a...
US-3,970,601 Colored poly (urethane) urea powders
The instant invention relates to thermoplastic polyurea powders, optionally containing urethane groups, characterized by A. a smooth, substantially spherical or...
US-3,970,399 Fastener assembly and fastener thereof
A fastener assembly for securing a pair of contiguous standards at substantially right-angles relative to each other is provided which includes a fastener...
US-3,969,435 Process for finishing tetrafluoroethylene-hexafluoropropylene copolymers
It is known to heat treat melt-processible blends of copolymers of tetrafluoroethylene and hexafluoropropylene in the molten state at elevated temperatures for...
US-3,968,136 Catalytic process for polyhydric alcohols and derivatives
This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and...
US-3,967,030 Siloxanes
Siloxane quadripolymers containing W, X, Y and Z groups, as herein defined, are applied to impart excellent water repellency to fabrics and papers.
US-3,966,953 2-(Carbamoyloximino)-4-thiazolidinone compounds as insecticidal, miticidal or nematocidal agents
2-(carbamoyloximino)-4-thiazolidinone compounds have been found to exhibit miticidal, nematocidal or insecticidal activity.
US-3,966,797 Dinorbornenes
Dinorbornene compounds, many of them novel, have been found to form polymers having a ladder structure. The dinorbornene compounds and dinorbornene polymers with...
US-3,966,572 Photocurable low gloss coatings containing silica and acrylic acid
The addition of a small amount of acrylic acid to a silica-containing radiation curable coating increases the flatting efficiency of the silica.
US-3,966,261 Coal slurry recovery systems
Improvement structure for use in mine slurry conveyor systems of the type which transport mined material from a plurality of work spaces in the mine to a...
US-3,965,998 Dust control hood and dust control system
This dust control system is mounted on a drill tower. A housing with an open bottom is used for drawing air into the housing. A side air outlet is used for...
US-3,965,991 Manual cultivating tool
A manual cultivator tool including a handle, a U-shaped blade, a tubular member provided with spaced flattened end portions having similar intermediately...
US-3,964,976 Process for cleaning coke oven gas offtakes
Process and apparatus for removing carbon deposits from the inner surfaces of a coke oven gas offtake by introducing steam into the gas offtake in an amount and...
US-3,964,413 Methods for necking-in sheet metal can bodies
Die-forming method for forming necked-in flanging metal on a light gauge drawn and ironed can body with a longitudinally extended transition zone between the...
US-3,964,385 Unitary device and method for screen manufacture and printing
For screen printing, the screen is manufactured and used for printing in a single box. The screen material is coated with a delayed light sensitive emulsion,...
US-3,963,771 Amine acrylate addition reaction products
Amine acrylates are produced by the reaction of a diacrylate ester and an organic amine. The amine acrylates are rapidly cured by electron beam radiation as well...
US-3,963,628 Fiber lubricant composition
Emulsifiable textile lubricant compositions containing a mineral oil, copoly(oxyethylene-oxypropylene) monoalkyl ether, an organic phosphate and, if desired, an...
US-3,963,609 Integral circular wastewater treatment process
The plant includes circular outer and inner walls, first and second radial partitions across the intermediate volume spaced to form a first arcuate clarifier...
US-3,963,415 Method and apparatus for conveying and/or heating coal particles in a dense phase flow
An improvement in a method and apparatus for conveying and/or heating coal particles in a dense phase flow through transfer lines wherein the velocity of the...
US-3,962,112 Composition and process for removing sulfur dioxide from combustion gases
A process and composition for removing sulfur dioxide from combustion gases particularly those emitted from the burning of high sulfur coal. The gases are...
US-3,960,607 Novel aluminum alloy, continuously cast aluminum alloy shapes, method of preparing semirigid container stock...
Continuously cast aluminum alloy castings are provided which may be cold worked to thin gages without the need for a homogenizing thermal treatment. The castings...
US-3,959,845 Apparatus and method for cleaning mining cars
A system for cleaning particulate matter from a mining car in which a nozzle directs a high pressure fluid against packed particles within the mining car to...
US-3,959,539 Coating material of polymers and salts of fatty acids
Powder coating materials which consist essentially of an ionic copolymer, or a copolymer or terpolymer base resin of the ionic copolymer, and 1 to 20% by weight,...
US-3,959,534 Process for producing fibers
Copolymers of ethylene with acrylic acid or methacrylic acid are used as lubricants in the high temperature, high speed production and processing of synthetic...
US-3,959,401 Process for cracking
A process for cracking hydrocarbon feedstocks comprising introducing a mixture of feedstock and hot gas into a reactor in which cracking temperatures are...
US-3,959,383 Two-stage converson of methanol to formaldehyde
A two-stage conversion of methanol to formaldehyde characterized in that silver crystals having a size range of 8 to 40 screen mesh are employed as a catalyst in...
US-3,959,348 Liquid organic polyisocyanates containing carboxyl and/or carboxylate groups
Liquid organic polyisocyanates containing carboxyl and/or carboxylate groups are prepared by reacting liquid multicomponent mixtures of aromatic polyisocyanates...
US-3,958,802 Jumping hoop
A jumping hoop has a rigid U-shaped member which is held in the hand. A light flexible member is adjustably connected to opposite ends of the rigid member,...
US-3,958,567 Derotation brace for tibia deformities
An upstanding rigid vertical brace bar constructed so as to be adjustable in length is provided and includes upper and lower end oppositely directed generally...
US-3,958,006 Carbamate pesticidal compositions
4-Substituted-5,6,7,8-tetrahydro-1-naphthyl-N-methylcarbamates have been found to exhibit exceptional insecticidal activity.
US-3,957,875 Synthesis of bis[2-(N,N-dimethylamino)ethyl] ether
A process is disclosed which comprises reacting trimethylamine with 2-[2-(N,N-dimethylamino)ethoxy]ethanol in the presence of nickel catalyst to produce...
US-3,957,857 Catalytic process for polyhydric alcohols and derivatives
This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and...
US-3,957,848 Cyanoethylation process
Cyanoethylation process for producing beta-cyanoethyl capped hydroxy compounds that are essentially free from polyacrylonitrile by-products.
US-3,957,475 Measuring glass surface temperature during annealing
Method and apparatus for continually monitoring the surface temperature of a moving glass ribbon at a given distance from the edge of the ribbon where the ribbon...
US-3,957,432 Aqueous pituitous color compositions based on poly(ethylene oxide)
Color compositions useful for effecting designs on substrates comprise a color in a thickened aqueous mixture containing a high molecular weight poly(ethylene...
US-3,957,383 Curb protection device and method
A flexible fiberglass shield, of L-shaped cross section and conforming to the size, curvature, and shape of a molded curb between vehicular pavement and walkway...
US-3,957,359 Sight glass assembly
A sight glass assembly adapted to be mounted across an opening in a vessel containing a fluid, generally including a housing having an opening registerable with...
US-3,956,915 Drawing and ironing container stock and manufacturing methods
Continuous-strip process for improving ironing operations in the manufacture of drawn and ironed container bodies having a bottom wall and unitary sidewall....
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