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Patent # Description
US-4,213,615 Board game with movable playing pieces
This invention relates to board games with movable playing pieces. More particularly, this invention relates to chess-type board games with movable playing...
US-4,213,566 Nested cone extendible nozzle system for a rocket motor
A nozzle system is provided which comprises a fixed nozzle and a series of movable nozzle cone segments of increasing diameters packaged in a concentric and...
US-4,213,399 Resilient universal locomotive suspension
Universally mounted wheelset where an axle housing suspension utilizes a rocking hinge principle to absorb shocks with limited up and down movement. A pair of...
US-4,213,184 Signal processor for processing ultrasonic receiver signals
A signal processor is provided which uses an analog integrating circuit in conjunction with a set of digital counters controlled by a precision clock for...
US-4,212,928 Wood-polymer composites
Composites of wood cellulose and certain polymeric compositions are formed at the surface of wooden articles and have the property of ready sandability to a...
US-4,212,899 Process for producing a colorant containing highlighted coated substrate
A process for producing a colorant containing highlighted coated substrate by embossing the surface of the substrate, coating this entire surface of the embossed...
US-4,212,768 Electroless plating of nonconductive substrates
An electroless plating catalyst prepared by reacting a tin salt in the molten state with a precious metal compound without HCl or added H.sub.2 O. The final...
US-4,211,719 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-4,209,741 Apparatus for the continuous monitoring of ground bed resistance
A system for measuring the resistance of an earth electrode such as a coal mine safety ground bed. Current is circulated between the bed and an auxiliary current...
US-4,209,660 Out-of-sight service fittings
Power and communication service fitting buried in concrete beneath the floor covering so as to be out-of-sight. Only the power/communication service cables from...
US-4,209,605 Process for producing shaped polyurethane hydrogel articles
Continuous process for producing hydrogels by charging preselected feeds containing poly(oxyalkylene) polyols, organic diisocyanate and catalyst to a reaction...
US-4,209,532 Biocidal 2-aryl-1,3-cyclohexane dione compounds and alkali metal and ammonium salts thereof
2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.
US-D255,532 Condiment shaker
US-4,208,618 Compact single-ended fluorescent lamp
A fluorescent lamp of high brightness and compact size is provided by constructing the envelope from two or more phosphor-coated open-ended glass tubes that are...
US-4,208,004 Method for making augers
An auger manufacturing apparatus comprising an adjustable former mechanism including a plurality of linearly adjustable die roller members and an associated...
US-4,207,890 Drug-dispensing device and method
A drug-dispensing device and method for controlled and prolonged internal administration of medicaments to warm-blooded animals comprising an outer polymer...
US-4,207,254 Method for preparing improved toluene sulfonic acid derivatives and the products thereof
Improved toluene sulfonic acid derivatives are precipitated at a constant pH from an aqueous salt solution.
US-4,206,537 Method of making a sight glass assembly
A method of making a sight glass assembly generally including forming a housing having an opening therethrough provided with an annular wall, forming a lens...
US-4,206,111 Stabilized polyolefins
An ultraviolet stabilizer for olefin polymers. It is a combination of a 2-hydroxyphenylbenzotriazole, a dialkyl pentaerythritol diphosphite and a phenolic ester...
US-4,206,102 Method of producing polyurethanes with increased resistance to abrasion
Abrasion resistant polyurethane elastomers using a combination of a waxing agent, a powdered mineral type lubricant and a polyhalogenated polyalkylene powder are...
US-4,205,747 Lens storage device
An improved structure for storing lenses, including storage during shipment, is disclosed. The device comprises a cylindrical upper portion with a knurled flange...
US-4,205,628 Animal conditioner
An animal exercising or conditioning apparatus is provided that has a rugged construction and wherein there is provided a straight-line walk. The animal...
US-4,205,462 Scheme training apparatus for teaching mail sorting and the like
Scheme and knowledge trainer apparatus for teaching trainees sortation scheme and knowledge items and skill for sorting such as mail sorting and the like,...
US-4,204,927 Crosslinking of esterified fluorocarbon polymer
Process for crosslinking fluorocarbon polymers, of ethylene and tetrafluoroethylene or chlorotrifluoroethylene, which contain esterified pendant polyfluorinated...
US-4,203,366 FM Fuze circuit
1. A microwave proximity fuze for a missile, comprising, a radio transmitting-receiving system including a waveguide having at one end a klystron with a repeller...
US-4,202,551 Acoustic dampening assembly for record player turntable
An acoustic dampening assembly of decoupling devices for blocking, absorbing, and deadening collision course vibrations. These decoupling devices are disposed:...
US-4,201,786 Water soluble pesticidal quaternary ammonium salt compounds
Water soluble quaternary ammonium salt compounds exhibit outstanding insecticidal and miticidal activity coupled with reduced mammalian toxicity and acceptable...
US-4,201,705 Intumescent flame retardant polyolefin compositions
Polyolefin compositions comprising a polyolefin and a flame retarding amount of the pentate salt of an amino-s-triazine are intumescent and self-extinguishing...
US-4,200,495 Prevention of defluidization in the treatment of caking carbonaceous solids
In the introduction of fresh carbonaceous particles into a fluid-bed reaction zone at injection velocities in excess of 20 ft/sec, a shroud gas is passed through...
US-4,200,494 Method of preventing defluidization of carbonaceous particles
Fresh carbonaceous particles are introduced into a fluid-bed reaction zone containing a bed of non-agglomerating particles at an injection velocity in excess of...
US-4,200,459 Heat resistant low expansion alloy
Nickel-iron base alloy characterized by controlled thermal expansion coefficient and inflection temperature and by desirable high strength in age-hardened...
US-4,199,521 Process for producing polyhydric alcohols and derivatives
This invention relates to an improved process for the manufacture of such valuable chemicals as polyhydric alcohols by the reaction of synthesis gas, i.e., a...
US-4,199,520 Rhodium carbonyl sulfur cluster compounds
A novel catalyst and process for the manufacture of polyhydric alcohols from synthesis gas. This novel catalyst is a rhodium carbonyl sulfur cluster compound. In...
US-4,199,299 Material handling apparatus for use in a mine
A self-propelled vehicle maneuverable in an underground mine includes an elongated mobile body having a forward end portion with a boom assembly mounted thereon....
US-4,199,274 Flow measuring flume of adjustable capacity
A flow measuring flume is described which is compact, cost-effective, self-cleaning and of adjustable capacity. This flume is applicable in the chemical water...
US-4,199,193 Underground mining machine having temporary roof support means and roof bolting means associated therewith
The mining machine consists of a main frame having a front portion and a rearwardly extending portion, and cutter heads disposed for movement across the front...
US-4,199,016 Axe construction
An axe comprising a blade formed of flat plate stock of generally uniform thickness, and a U-shaped handle attaching strap formed of flat plate stock of...
US-4,198,488 Polymer-polyols and polyurethanes based thereon
Fluid, stable polymer-polyols are provided which consist of an organic polyol medium and an interpolymer of a minor amount of polymerized ethylenically...
US-4,198,487 Process for the production of inorganic-organic synthetic foam materials
The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional...
US-4,197,615 Shortening device
This invention relates broadly to an apparatus for shortening wires, cables and the like without requiring the disconnection of such wires and cutting off the...
US-4,197,253 Catalytic process for producing polyhydric alcohols
This invention relates to the manufacture of polyhydric alcohol(s) by the reaction of synthesis gas in the presence of a rhodium carbonyl complex catalyst and a...
US-4,196,417 Single transmission line interrogated multiple channel data acquisition system
A single transmission line interrogated multiple channel data acquisition system is provided in which a plurality of remote station/sensor circuits each monitors...
US-4,195,726 Method and apparatus for extending conveyor belts
A carrier vehicle supports plural drums of belting material for deployment in the lengthening of conveyor belts in mines with the belting material being in a...
US-4,195,167 Gradient polymers of two or more cyclic, organic, ring-opening, addition polymerizable monomers and methods for...
Polymers which comprise polymer chains along which the proportion of mer units provided by a first heterocyclic monomer gradually increases in a given chain...
US-4,195,160 Epoxide derivatives of ester diol alkoxylates and compositions thereof
Derivatives of esterdiol alkoxylates obtained by reaction thereof with an epoxide, as well as the anhydride capped products thereof. Formulations containing the...
US-4,195,151 Phenol-aldehyde-amine resin/glycol curative compositions
This invention relates to novel curative compositions for use in the production of cellular polyurethane elastomers having outstanding energy-absorbing...
US-4,194,892 Rapid pressure swing adsorption process with high enrichment factor
A rapid adiabatic pressure swing process with a total cycle time of less than 30 seconds, at least 8 psig feed gas is introduced to a single adsorbent bed of...
US-4,194,745 Controlled clearance seal
A controlled clearance seal is disclosed for use on a shaft rotatably supported in a housing to seal high pressure hydraulic fluid in a housing having a sealing...
US-4,194,667 Apparatus for pressure welding metal workpieces
A method and apparatus for pressure welding together novel aluminum or magnesium workpieces. Edges of workpieces to be pressure welded together are aligned with...
US-4,194,301 Device for use in paired associate learning
A device for use in situations involving paired associate learning. The device includes a plurality of stimuli which are each removably positioned to be viewed...
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