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Patent # Description
US-4,050,928 Corrosion-resistant matrix-strengthened alloy
Iron-based alloy composition containing special proportions of nickel, chromium, aluminum, copper and carbon provides good corrosion-resistance characteristics...
US-4,050,603 Clamp for securing bar hanger to electrical wiring box
A clamp for securing an adjustable bar hanger to a molded thermosetting plastic electrical wiring box. The clamp includes a generally U-shaped portion having a...
US-4,050,588 Automatic mine car coupling
A mine car coupling assembly comprising a spring biased receiving assembly having a pair of jaw members mounted about a pivot point. The forward ends of the jaw...
US-4,049,931 Catalyst systems containing dimethylamino ether mono-ols for polyurethane foam formation
Cellular urethane polymers are provided by effecting the reaction of an organic polyol reactant comprising a polyether polyol and an organic polyisocyanate...
US-4,049,614 Pigmented polycarbonates
Polycarbonates are pigmented with an opaque pigment such as TiO.sub.2 and contain, intimately mixed therein, a silica at a level of 0.01 to 3% by weight. The...
US-4,048,735 Multi-purpose labor-saver wheeled tool
A multi-purpose labor-saver wheeled tool having a frame which includes a pair of laterally spaced wheels adjustably mountable on stub axles in selected holes of...
US-4,048,471 Electrically heated spreader assembly having a detachable blade
An electrically heated spreader assembly for spreading, smoothing and curing plastic filler material, as in automobile body dents, includes an elongated handle...
US-4,048,292 CO purification process
High purity CO is made quite efficiently with regard to energy consumption from CO.sub.2 -free gas streams containing at least 25% by volume CO and also...
US-4,046,424 Continuous mining machine with hinged cutter guide extensions
A continuous mining machine having a cutter head moveably mounted on a support guide with a center portion extending across the width of a carrier. The support...
US-4,045,724 Electromagnetic wave method for mapping subterranean earth formations
The present invention is directed to a method for remotely mapping subterranean coal beds prior to and during in situ gasification operations. This method is...
US-4,045,474 Low viscosity poly(epoxide-caprolactone) polyols
High functionality polyol compositions that have a low viscosity of less than 5,000 cks. at 130.degree. F. and an equivalent weight of at least 150 are useful...
US-4,045,416 Amine acrylate addition reaction product compositions
Compositions containing an amine acrylate and another radiation curable composition. The amine acrylates are produced by the reaction of a diacrylate ester and...
US-4,045,394 Viscosity stabilization of vicinal acryloxy hydroxyl derivatives of linseed oil with N-alkylmorpholines
N-Alkylmorpholines are used as viscosity stabilizers in vicinal acryloxy hydroxyl derivatives of linseed oil.
US-4,045,308 Bath level set point control in an electrolytic cell and method of operating same
A method and apparatus for controlling the rate at which material is fed to a molten salt bath in a process utilizing the material to produce molten metal. The...
US-4,045,144 Wind energy concentrators
The herein described horizontal and vertical wind energy concentrators are structurally simple and light and are capable of concentrating the wind energy at...
US-4,044,877 Multiple column vending machine malfunction lockout circuit
An electrically operated control circuit for a multiple selection vending machine with lockout circuits to isolate mal-functioning sections, thereby enabling...
US-4,044,789 Sanitary diversion valve
An improved sanitary diversion valve is disclosed which provides a better seal to plastic sanitary pipe, is corrosion resistant, has an improved valve core...
US-4,044,073 High impact strength blends of polybutylene terephthalate
A blend comprised of high molecular weight polybutylene terephthalate and up to about 20 wt.% of an aromatic polycarbonate resin wherein the mixture has a drop...
US-4,043,980 Flame retardant polycarbonate having improved critical thickness
Polycarbonates are provided having improved critical thickness values based on an aromatic diphenol, a halogenated dihydric phenol and an aromatic diphenol...
US-4,043,457 Safety mine car coupling and uncoupling apparatus
A safety mine car coupling and uncoupling apparatus, adapted for attachment to the hitch of a conventional mine car to insert and withdraw a coupling pin,...
US-4,043,192 Apparatus for providing directional permeability measurements in subterranean earth formations
Directional permeability measurements are provided in a subterranean earth formation by injecting a high-pressure gas from a wellbore into the earth formation in...
US-4,042,819 Fluorescent lamp for use in explosive atmospheres such as mines
Lamp having a lighting assembly, an inner guard assembly, and an outer guard assembly. The lighting assembly includes an elongated fluorescent bulb, starter and...
US-4,042,634 Fluorocarbon separation process
A process for removing the vapors of certain fluoro(alkyl vinyl ethers) from a mixture with the vapor of tetrafluoroethylene by contacting the mixture of vapors...
US-4,042,536 Inorganic-organic plastic
An inorganic-organic plastic having improved strength, elasticity, dimensional stability with increase in temperature and flame resistance and adapted for use in...
US-4,041,960 Liquid filtered smoking device
A liquid filtered smoking device including a container having an opening, hollow at one end thereof, and having a liquid filtering medium therein, and a hollow,...
US-4,041,785 Mechanical drive system for a remote area
A system for obtaining mechanical power from a driven belt conveyor which services a remote area such as a coal mine where delivering electrical power is...
US-4,041,773 Ultrasonic inspection apparatus for well operations
An ultrasonic inspection apparatus for use in inspecting drill pipe or like tubular members being tripped into and out of a well borehole comprises one or more...
US-4,040,820 Processing aluminum skim
The invention relates to an efficient, salt-free method of recovering metallic aluminum from furnace skim wherein the skim is tumbled for a short period in a...
US-4,040,282 Ironing ring having improved lubricating characteristics
An ironing ring for use in the manufacture of drawn and ironed unitary sheet metal can bodies made from flat rolled steel blackplate. The interior working...
US-D245,343 Smoking pipe or similar article
US-4,039,500 Process for controlling molecular weight distribution of latex polymers
Particle morphology and molecular weight distribution of latex polymers is controlled by a process wherein a primary polymerizable feed composition, (a) a...
US-4,039,213 Couplings
A fluid conducting pressure locking O-ring element sealed hose coupling with automatic cocking/locking straight thrust insertion couple features and a push...
US-4,038,781 Jamb seal
A louver assembly has a plurality of louver blades and pivot shafts pivotally supported for adjustable movement between open and closed position in a frame which...
US-4,038,210 Beta-amino nitrile catalysts for polyurethane preparation
Cellular urethane polymers essentially free of the strong, objectionable amine odor characteristic of N-ethylmorpholine, are provided by effecting the...
US-4,038,175 Supported metal catalyst, methods of making same, and processing using same
There is described a catalyst composition suitable in the hydrogenation of, for example, dripolenes, which consists essentially of palladium, or platinum metal...
US-4,037,891 Gland seal compression
A variable gland seal assembly wherein the seal about a cylindrical male inner member is accomplished in a manner that the opposed gland directional seal...
US-4,037,875 Full face miner
A miner especially adapted for high-production mining of low-coal seams (24-36 inches thick) while providing maximum miner safety and complying with applicable...
US-4,037,824 Safety post
A safety post for construction workers and the like comprising angle structure having integral horizontal and vertical legs, the horizontal leg having a clamp...
US-D245,142 Right angle drilling apparatus for drilling wiring holes and the like through building studs, joists, rafters...
US-4,037,265 Arc preventing power supply system
An improved electrical power supply system is disclosed for preventing arcing between two or more electrical machines energized by a common power source with at...
US-4,036,916 Wind driven electric power generator
A wind driven electric power generator having a shroud arranged in a path of fluid flow. Within the shroud is disposed a stationary shaft supporting a wind...
US-4,036,802 Tetrafluoroethylene copolymer fine powder resin
Good extrusion at high reduction ratios is obtained with a non-melt-fabricable tetrafluoroethylene fine powder resin whose particles have an inner portion and an...
US-4,036,621 Beverage dispensers
The evaporator coil of an ice bank type of beverage cooler and dispenser is provided with a multiplicity of spaced apart copper rods extending both inwardly and...
US-4,036,400 Tandem column vender anti theft device
A vending machine has a compartment dimensioned to hold at least two columns of cylindrical articles with the articles in axial alignment, front to rear. A bail...
US-4,036,056 Single-slide press for carrying out multiple functions with a single work-input stroke
Single-slide press with single work-input stroke and other characteristics and advantages of single-action press carries out multiple functions of double or...
US-4,035,911 Syringe destroyer with needle disposing cannister
A compact, hand operated syringe destroyer for severing the needle and its hub from the barrel of an associated syringe and a cannister for collecting a quantity...
US-4,034,016 Ternary polyblends prepared from polybutylene terephthalates, polyurethanes and aromatic polycarbonates
Ternary polyblends consisting essentially of polybutylene terephthalates, polyurethanes, and aromatic polycarbonates in proportions within carefully delineated...
US-4,034,008 Process for preparing unsaturated acids and aldehydes
A novel catalyst comprising the elements Mo, Bi, Fe, Si, Ni and/or Co and Ru and/or Sb, and, optionally Cl, and an oxidation process, is provided for oxidizing...
US-4,033,990 Hydroxybicyclosiloxane rigid urethane foam stabilizers
This application relates to certain novel hydroxybicyclosiloxanes that are particularly useful as foam stabilizers for rigid polyurethane foams. The novel...
US-4,033,910 Methyl formate as an adjuvant in phenolic foam formation
This invention relates to the use of methyl formate as an adjuvant in the formation of phenolic foam. The addition of methyl formate to phenol-aldehyde resoles...
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