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Patent # Description
US-4,241,980 Beam emission control means
An improved beam emission control means is disclosed for use in a projection system. The beam emission control means is constructed of highly reflective or...
US-4,241,878 Nozzle and process
A nozzle comprising an elastic member molded in a conduit having oppositely disposed threads at opposite ends. The elastic member embeds all of the threads at...
US-4,239,161 Coke grinder
Coke logs are fed into a housing through an infeed opening at a regulated rate to control the particle size to which the coke is reduced by comminution in...
US-4,238,160 Media guide
The present invention is a guide for use in combination with a printer which includes a frame and a print head that is mechanically coupled to the frame and that...
US-4,235,552 Fluid mixing system
A system for mixing fluids such as drilling fluids and which comprises an elongated container having a cylindrical shaped bottom. A suction conduit has an inlet...
US-4,235,370 Portable set-off device for railroad motorcars
A portable set-off device for a railroad motorcar comprises a collapsible platform and a telescoping ramp. The platform has a barrier, near its end edges...
US-4,235,034 Removable sign post holding apparatus
A removable sign post holding apparatus including a body portion having a post-receiving opening, a plurality of ground-engaging sections extending downwardly...
US-4,233,963 Solar heat collector system having means to accommodate thermal expansion
A large scale solar heat collector system which utilizes a building design to permit substantial areas of perforated heat collector sheets to be mounted and...
US-4,230,104 Splints for treating jaw fractures
An orthodontic appliance comprising a bar that provides a splint for setting broken jaws or other facial bones. Upper and lower bars are attached to the...
US-4,228,608 Cylinder locking mechanism for small revolvers
Improved cylinder locking means for a small, single action revolver which is positioned entirely within the body of the revolver and operates with the hammer and...
US-4,228,607 Single action revolver with safety locking cylinder
A single action single barreled revolver having an oscillating arm trippet retained in the hammer cavity which interacts with the cylinder latch to rotate the...
US-4,228,606 Means for mounting cylinder to frame of small hand gun
Improved means for releasably locking the cylinder of a small, single action revolver in proper rotatable position within the frame of the revolver. A cylinder...
US-4,224,928 Cover for solar heat collector
An extruded radiant energy transparent cover used with solar heat collector assemblies, and made into modules that are retained in position with support members...
US-D256,927 Pinochle aid card
US-4,221,328 Data read-out system and apparatus useful for angular measurements
Data acquired from a source such as a coded disc is processed so as to be free of ambiguities associated with boundary transitions where the data source produces...
US-4,220,207 Seafloor diverter
This relates to drilling in water from a platform or vessel using a riser pipe. An inverted funnel skirt or cone is placed over slots cut in the wall of a riser...
US-4,220,127 Fuel vaporizer
Air is bubbled through a preset level of fuel in a vaporization chamber, thus forming a vaporized fuel-air mixture. The vaporized fuel-air mixture is supplied to...
US-4,219,133 Storage level monitor
The storage level of ore, supplied by an overhead loader to a bin or pile in the form of large, dense, hard fragments, up to a foot or more in diameter, is...
US-4,218,151 Serial impact calculator printer
A serial impact printer of the type utilizing a dot matrix print head is specifically adaptable for use as a calculator or adding machine and is characterized by...
US-D256,496 Adjustable fish lure
US-4,214,615 Dispensing apparatus for adding colloidal magnesium to fuel tank
Dispensing means for dosing a liquid fuel tank of an internal combustion engine with a unit dosage of colloidal magnesium metal dispersed in kerosene comprising...
US-4,214,046 Method of extracting a liquid electrolyte and other products from coal
Coal converted to coke and ground into particulate form, is mixed with an aqua regia solution resulting in a slurry from which solid matter settles out and...
US-D255,890 Underground crane
US-4,209,890 Method of making a rotary rock bit with seal recess washer
A sealing system for a rotary rock bit retains lubricant inside the bit and acts as a barrier to the pulverized cuttings and other materials in the borehole to...
US-4,208,097 Reflecting target for electronic distance measuring
A target is disclosed for intended use with light-emitting, including laser-emitting, electronic distance measuring equipment. The target includes a body having...
US-4,208,047 Exerciser and tension relieving device
An exerciser and tension reliever comprising a pair of compressible members disposed between a pair of flanges, the compressible members being provided with...
US-4,207,881 Headgear for support of broken jaws during healing
A comfortable headgear is worn by persons having broken jaws or other facial bones that must be held in place to set. The headgear can also be used in the...
US-4,207,274 Carburetor
A carburetor for internal combustion engines having a stationary metering element and a rotor assembly which is movable and rotatable with respect to the...
US-D255,134 Stuffed animal toy
US-D255,133 Stuffed animal toy
US-4,202,667 Process for the separation of insoluble materials in the production of soda ash
An improved process for the production of soda ash from trona including the steps of sizing the trona, heating the trona to eliminate water and carbon dioxide...
US-4,202,635 Portable device for mixing two materials
A portable device for mixing two materials for discharge from a nozzle characterized by a separate container for each of the two materials with each container...
US-4,202,453 Articulated mine service vehicle
A rugged maneuverable articulate mine service vehicle includes a power unit and a utility formed from welded steel plate, which units are interconnected by an...
US-4,202,145 Cast-in-place concrete slab pouring form
This invention relates to a quickly assembled prefabricated metal concrete pouring form for slabs and the like that remains in place as an integral part of the...
US-4,199,032 Apparatus for measuring and controlling a force
An apparatus for measuring and controlling a force such as torque, pull or weight. One example is an apparatus for making up two members having mating threaded...
US-4,195,879 Infant's or child's seat for snowmobiles or the like
An infant's or small child's protective seat constructed for securement to a snowmobile, motorcycle, or similar vehicle has a rigid and structurally strong,...
US-4,195,522 Flowmeter
A flowmeter apparatus and method for use in measuring the quantity of liquid beverage passing through a tubing, the apparatus including a flowmeter wheel adapted...
US-4,192,618 High speed ticket printer
A matrix printer which is specifically adaptable for printing and the like is characterized by having a stationary print head containing a plurality of print...
US-4,188,057 Retractable patio assembly for recreational vehicle
A retractable patio assembly is provided for use with recreational-type vehicles. The patio is adapted for use placement in a horizontal attitude in front of and...
US-4,186,894 Vehicle and process for retrieving flexible pipe
A vehicle and process for retrieving flexible plastic pipe from on-the-ground field positions is disclosed. Flexible plastic pipe is finding increasing use in...
US-4,185,705 Well perforating tool
A well perforating tool (9) for drilling holes in a well casing substantially from and at right angles to a vertical well bore within which the casing is...
US-4,185,702 Method and apparatus for borehole perforating
Method and apparatus for perforating an earth formation from a well bore wherein each perforator unit of a perforator gun utilizes the combination of a shaped...
US-4,185,609 Band type lapidary saw
A band type stone saw comprising a toothless blade having its cutting reach inclined and ascending toward the workpiece and wetted with continuously agitated...
US-4,184,792 Vacuum-tube mass-transit system
A vacuum-tube mass-transit system comprising at least one continuous, tubular, vehicle conveyor having a fan or blower station arranged at each terminating end...
US-4,182,423 Whipstock and method for directional well drilling
A wedge-shaped whipstock is provided for directional well drilling which tapers from the lead end to a thick section at the bottom, and is fabricated from a...
US-4,182,415 Tubing string rod running nipple
An elongated tubular nipple is provided including upper and lower ends. The interior of the nipple defines a longitudinal bore extending therethrough and the...
US-4,178,189 Apparatus and method for cleaning and polishing cartridge cases
A tool for mounting a cartridge case to a drill chuck for rotating the cartridge case about its longitudinal axis for the purpose of cleaning and polishing the...
US-4,177,667 Quick response humidity chamber
An apparatus and technique for changing the characteristics of a fluid mem in order to test static response of sensors within that medium. In particular, in...
US-4,176,779 Hydraulic inertia centrifugal catalytic desalination device
The present device separates salts from water by utilizing hydraulic force, the force of inertia, centrifugal force and the catalytic similarities produced by...
US-4,175,493 Patch for muzzle loading firearms
A patch formed from yieldable material such as a moldable plastic resin. The patch has a solid integral body with an exterior cylindrical wall along its full...
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