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Patent # Description
US-4,159,149 Coal mining auger
A coal-mining auger having (a) a hollow, tubular auger head with a spiral or helical coal conveyor mounted therein in concentric relation to the axis of rotation...
US-4,158,880 Mine machine light
The light has an explosion-proof housing that is of generally triangular transverse section, with no glass on the narrow front or top wall. In mine use, should...
US-4,158,652 High solids compositions containing ester diol alkoxylates
Compositions comprising an ester diol alkoxylate in conjunction with crosslinkers, or polycaprolactone polyols or derivatives thereof, or low molecular weight...
US-4,158,245 Swimming device
A swimming device has a body platform with straps for the arms and body of a swimmer. Cylinders extend longitudinally on the platform and are open at their...
US-4,158,158 D.C. controller for battery powered electric motor
A D.C. series motor for mining and other equipment is powered by batteries which are connected in parallel for low voltage acceleration and in series for high...
US-4,157,959 Method of filtration using convertible (semifluidized) beds
Fine particulates are removed from fluids (gases or liquids) by beds of filter media operated as convertible (semifluidized) beds, wherein the fluidized portion...
US-4,157,947 Coating and ink compositions and method
Compositions of urethane derivatives of acrylated epoxidized soybean oil, which are the reaction products of an organic isocyanate with the reaction product of...
US-4,157,732 Method and apparatus for well completion
Well completion apparatus is prepared in such a manner that a first metal element and a second metal element of the apparatus will have the capability of acting...
US-4,157,528 Wellbore pressure transducer
Subterranean earth formations containing energy values are subjected to hydraulic fracturing procedures to enhance the recovery of the energy values. These...
US-4,157,445 Method for the preparation of quinoline and aniline compounds
Quinoline and aniline compounds have been synthesized from aromatic nitro compounds and ethylenically unsaturated hydrocarbons in the presence of complexes of...
US-4,157,271 Drywall joint filler
A drywall joint filler for joining together two conventional drywall building panels formed as an extending flexible strip of plastic or the like having a...
US-4,156,840 Thermoelectric metal sorter
A metal sorter including a pair of electrically conductive probes of identical metallic composition are placed in contact with a metallic specimen. A...
US-4,156,731 Heterocyclic oxime compounds and carbamoyloxime derivatives
Heterocyclic oxime compounds are useful as intermediates in the preparation of pesticidally active carbamoyloxime compounds.
US-4,156,537 Operator's cab for drill rig
An operator's cab for mobile earthworking machines such as drilling rigs, cranes and the like has interchangeable cab doors. One of the doors is flat or planar...
US-4,154,752 Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)
The instant invention is directed to storage stable liquid, partially carbodiimidized methylenebis(phenyl isocyanate) and to the method of manufacture thereof....
US-4,154,220 Flat-plate solar collector with air flowing through the grooves in a foam absorber surface
This invention relates to a more cost effective construction of an air type flat-plate solar collector. More particularly the invention has reference to...
US-4,153,923 Ground monitoring system and method
A system for monitoring the continuity of at least the ground wire of a cable connected between a mining machine and a power center. At the power center, a...
US-4,153,778 Acrylyl capped urethane oligomers
The reaction produces of (A) polyoxytetramethylene diols or polycaprolactone polyols, (B) diisocyanates and (C) di- or tri-methylol carboxylic acids are capped...
US-4,153,623 Promoting propylene glycol formation with compounds of aluminum
This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and...
US-4,153,516 Process for separating alkoxyketone compounds from the corresponding 1-alkoxy-2-alkanol compound
A process for recovering alkoxyketone compounds from mixtures of the alkoxyketone compound and the corresponding 1-alkoxy-2-alkanol compound by extractive...
US-4,153,509 Microbial production of hydroxylated biphenyl compounds
A process for preparing hydroxylated biphenyl compounds by enzymatically biotransforming the biphenyl compound with a microorganism.
US-4,153,455 High temperature nickel-base alloys
A nickel-base alloy intended for diverse application, including components for high temperature, gas cooled reactors (HTGR), the alloy containing, in addition to...
US-4,153,427 Apparatus and method for feeding coal into a coal gasifier
This invention is directed to a system for feeding coal into a gasifier operating at high pressures. A coal-water slurry is pumped to the desired pressure and...
US-4,152,506 Preparation of thermoformable methyl methacrylate sheets
In casting methacrylate sheets for thermoforming applications, it has heretofore been the practice to add chain transfer agents to the polymerization mix for...
US-4,151,926 Multi-section electrical wiring box
A plastic multi-section electrical wiring box assembled from a plurality of individual sections. The individual sections are constructed so as to be capable of...
US-4,151,192 Promoting n-propyl alcohol formation with vanadium compounds
This invention relates to the manufacture of monohydric and polyhydric alcohols, specifically, n-propyl alcohol by reacting synthesis gas, i.e., hydrogen and...
US-4,151,056 Radiation curable coating compositions containing alkanediones or cycloalkanediones
Alkanediones or cycloalkanediones are employed as low-toxicity constituents in radiation curable coating compositions.
US-4,150,247 Stub design for ESR electrodes
An electrode for electroslag remelting is provided by combination of an ingot having a toe end with an essentially flat outer annular surface and a central...
US-4,149,624 Method and apparatus for promoting release of fines
An endless conveyor belt apparatus is employed for moving raw materials which are characterized in having fines associated therewith from one point to another....
US-4,149,601 Cultivator glove
An improved cultivator glove has been designed which comprises a full handed glove covering all four fingers and thumb and a point element attached to each...
US-4,149,063 Flux cored wire for welding Ni-Cr-Fe alloys
A self-shielding, flux cored arc welding electrode for joining Ni-Cr-Fe alloys and overlaying dissimilar metals. The wire has a nickel-chromium containing alloy...
US-4,148,840 Polymer/polyol compositions made from preformed polymer/polyols, processes for making same and processes for...
Novel improved polymer/polyol composition made by polymerizing one or more ethylenically unsaturated monomers in situ in a blend of a polyol having a number...
US-4,148,830 Hydroformylation of olefins
A hydroformylation process whereby rhodium complex catalyst and excess triorganophorus ligand are employed, under mild conditions of temperature and pressure, to...
US-4,148,586 Apparatus for galvanic detection of optical absorptions
An apparatus and method for utilizing the opto-galvanic effect to perform spectroscopic or analytic investigations of atomic or molecular species. A sample of...
US-4,146,349 Mine roof support method and apparatus
A support for a mine opening includes an elastic plate member with a preformed curvature across its length. Two props at each end of the plate member provide...
US-4,145,788 Ice shield
A heating core for conducting hot water from the motor of an automobile in close proximity to a windshield and windshield wiper blades so as to heat both...
US-4,145,373 Stress crack resistant polycarbonates
Polycarbonates suitable for forming molded articles are comprised of a polycarbonate resin and 0.25 to 0.75 parts by weight per 100 parts of polycarbonate of an...
US-4,145,267 Nonplating cathode and method for producing same
A cathode, particularly a lead cathode, which is immune to plating zinc on its surface when used in an electrolytic galvanizing solution. The method of producing...
US-4,144,261 Process for preparing organothio-aldoxime compounds
An improved process for preparing 1-organothio-aldoxime compounds by chlorinating the corresponding aldoxime and reacting the resulting 1-haloaldoxime with the...
US-4,144,102 Production of low expansion superalloy products
Nickel-iron and nickel-iron-cobalt alloys contain chromium and gamma-prime hardening elements in proportions balanced according to special compositional...
US-4,143,991 Mine roof support system
The mine roof support system includes a plurality of truss members each having opposite end portions and are operable to be moved into and out of abutting...
US-4,143,921 Slurry input for a multiple feed sump
An input for a sump for uniformly distributing material along the length of the sump has a support mounted above and along the length of the sump with a flexible...
US-4,143,742 Ladder extension apparatus
A ladder extension device for enabling a ladder to stand upright upon uneven or inclined surfaces is disclosed which is composed of a pair of diametrically...
US-4,143,075 Control of condensation products in hydroformylation process
Hydroformylating alpha-olefins in a cyclic homogeneous liquid phase process utilizing a modified rhodium catalyst in which iron is introduced into the reaction...
US-4,143,013 Radiation curable coating compositions
Tetraethylorthosilicate or tetraethoxyethylorthosilicate is employed as a low-toxicity diluent in radiation curable coating compositions containing acrylyl or...
US-4,143,002 Chalk-resistant, medium to dark colored polyurethanes, polymer/polyol and polyisocyanate compositions for use...
Improvements in polymer/polyol compositions which are convertible by reaction with polyisocyanates to polyurethanes which are pigmented to a medium to dark color...
US-4,142,963 Penetration enhanced fluid mixing method for thermal hydrocarbon cracking
Thermal cracking of hydrocarbons by the introduction of liquid feedstock into a stream of hot gaseous combustion products, the method comprising introducing and...
US-4,142,868 Wear compensating seal means for rotary piston coal feeder
The present invention is directed to a wear compensating seal arrangement for use in a rotary piston feeder utilized for feeding pulverized coal into a gasifier...
US-4,142,030 Inorganic-organic plastic
An inorganic-organic plastic having improved strength, elasticity, dimensional stability with increase in temperature and flame resistace and adapted for use in...
US-4,141,932 Combined emulsion and suspension process for producing graft ABS bead-like particles
A method of preparing a graft ABS polymer comprising first preparing a rubbery graft ABS polymer by emulsion polymerizing acrylonitrile and styrene in the...
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