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Patent # Description
US-4,038,766 Excavator bucket ripper tool
A ripper tool apparatus detachably mounted on a conventional excavator bucket so as to distribute the stresses developed as the implement is used. The apparatus...
US-4,036,273 Traction augmenting road grips
Traction augmenting ribs are formed of a semi-rigid material particularly well-suited for placement around a vehicle tire or the like. Each rib is formed of a...
US-4,035,083 Background correction in spectro-chemical analysis
Various methods and apparatus are disclosed for providing a background corrected measure of the concentration of a sample element in absorption and emission...
US-4,034,432 Spectacle cleaning apparatus
Spectacle cleaning apparatus including resilient nose piece supporting means, two pairs of cooperating opposed rotatable brushing means located on either side of...
US-4,033,134 Heat engine
A heat engine comprising a cylindrical heat chamber having an end wall of insulating material and on which is mounted a cylinder. An opening in the end wall...
US-4,030,911 Sulfide herbicide antidote compositions and method of use
Herbicidal compositions comprising an active herbicidal compound and an antidote therefor and the methods of use of the herbicide compositions are described...
US-4,028,838 Clamper fishhook
A barbless fishhook with a narrow throat in the hook end with the material of the hook bent back on itself to create a narrow constricted throat tight enough to...
US-4,026,167 Planetary transmission
A two-speed planetary transmission having a sun gear input and a carrier output includes a ring gear connectable to the carrier and to the fixed transmission...
US-4,026,057 Shooting support for rifle
A mechanical support for rifle shooting providing two open top cradles to receive a rifle with the forward cradle providing compound vertical adjustment for...
US-4,023,857 Tensioned and retractable truck body tarpaulin
A generally horizontal load bed construction including upstanding opposite side walls is provided together with an elongated flexible cover for extension and...
US-4,021,516 Draw clamp
A draw clamp for holding together abutting portions of a frame for facilitating joining of the portions to one another has a base member provided with a pair of...
US-4,021,229 Sulfonamide herbicide antidote compositions and method of use
Herbicidal compositions consisting of an active herbicidal compound and an antidote therefor and the methods of use of the herbicide compositions are described...
US-4,021,228 Sulfide herbicide antidote compositions and method of use
Herbicidal compositions comprising an active herbicidal compound and an antidote therefor and the methods of use of the herbicide compositions are described...
US-4,015,945 Device for mixing bone cement
A device for mixing methyl methacrylate monomer and methyl methacrylate polymer to form bone cement in a hospital operating room includes a bowl-shaped...
US-4,015,845 Automatic cue ball separating and return assembly for billiard tables
An assembly for identifying and separating a cue ball, on a single file ball return run of a billiard table, from a group of object balls with the cue ball being...
US-D243,808 Hanging container for potted plants
US-4,011,882 Method for transporting sweet and sour hydrocarbon fluids in a pipeline
A method for minimizing sulfur contamination of refined hydrocarbon fluids transported in a pipeline for the transportation of sweet and sour hydrocarbon fluids...
US-4,009,010 Method and apparatus for foam scrubber level detector
An apparatus and method particularly adapted for use in preventing accumulation of material on at least a portion of a monitoring device for a foam scrubber or...
US-4,008,072 Sulfidization reaction
The process of sulfidizing an acid copper leach pulp prior to flotation recovery of the copper therein comprising adding to and admixing with said pulp in a...
US-4,006,912 Ski protector
A ski protector of elastomeric material comprises an elongated resilient or elastic body portion and reinforced end portions having recesses, one of which...
US-4,006,715 Farrowing crate assembly
This invention relates generally to animal crate construction such as farrowing crates for a sow and her new born piglets wherein a farrowing crate and a pair of...
US-4,006,591 Jet reaction turbine with rotating combustor for burning slurry fuels
A reaction turbine for burning fuel in a reaction rotor having jet tubes through which the products of combustion within the rotor are discharged, the turbine...
US-4,003,724 Foam scrubber and method
An improved apparatus and method for separating gaseous pollutants and particles from a gas with a foam layer wherein the apparatus includes means for monitoring...
US-4,001,634 Discharge lamp having thermal switch starter
A high pressure sodium vapor lamp utilizing an alumina ceramic arc tube within an outer glass envelope is provided with a bi-metal switch which short circuits...
US-4,001,356 Variable venturi downdraft carburetor
A variable venturi downdraft carburetor comprised of an open carburetor body enclosing an interior first venturi member and coaxial peripheral second venturi...
US-3,999,410 Portable locking means for skis
A generally rectangular open frame having one side movable to admit a pair of skis into the frame and then movable back to complete the rectangular frame and...
US-3,998,462 Poker type game apparatus
A card game apparatus including a playing surface having thereon a plurality of defined areas in the form of rectangles or the like. A dealer using a...
US-3,995,170 Wind energy conversion device
A wind energy conversion device for converting directional wind force to torque along on a vertical rotational axis. The device includes a plurality of flexible...
US-3,991,474 Measurement tool
The invention comprises a measurement tool. The measurement tool has a pair of elongated main measurement sticks which are slidably mounted to move ...
US-3,989,503 Herbicidal antidote compositions with substituted oxazolidines and thiazolidines
Herbicidal compositions comprising an active herbicidal compound and antidote therefor and the methods of use; the antidote compound corresponds to substituted...
US-3,988,839 Model aircraft incidence gauge
A gauge for measuring the angle of attack, or incidence of a wing or horizontal stabilizer-elevator on a model aircraft is described. The gauge comprises an...
US-3,986,727 Hitch for low-bed trailers
To facilitate transporting heavy equipment on forest service roads and the like by means of a low-bed trailer having a gooseneck drawbar, the customary fifth...
US-3,986,246 Draft gear removing device
A hydraulic extractor and its use in removing damaged draft gear which are wedged in railway cars. It consists of a length of pressure resistant hose folded at...
US-3,983,634 Sun shades for gun sights
Sun shade tubes of variable length and diameter adaptable to the rear sight of most target rifles for keeping the sun or bright light from shining directly into...
US-3,981,316 Pressure and temperature-responsive control means
Actuator means of the pressure- and/or temperature-responsive type are disclosed for controlling valve means which supply pressure fluid (such as a combustible...
US-3,976,469 Halogenated ketones as herbicide antidotes
Herbicidal compositions comprising an active herbicidal compound and antidote therefor and the methods of use; the antidote compounds correspond to halogenated...
US-3,973,484 Hay presser apparatus
Hay and similar crop materials can be efficiently compacted and formed into pellets or cubes through a closely coordinated sequence of operations in which the...
US-3,970,730 Variable venturi carburetor
A variable venturi carburetor comprised of an open induction duct enclosing coaxial inside first and outside second venturi members. The second venturi member is...
US-3,968,652 Apparatus responsive to solar energy for producing power
Apparatus responsive to solar energy for driving a self-contained gas turbine, whereby to produce mechanical or electrical power. Such apparatus is provided with...
US-RE28,900 Drill bit device
Drill bit construction having a removable lead screw and a body which has a conically shaped work facing surface. With generally triangularly shaped cut-away...
US-3,964,289 Rectangular metal-tubing bender
A rectangular tubing bender having a frame provided with an arrangement for locking in place a tube to be bent. Structure on the frame forms directly opposed...
US-3,960,252 Collapsible trolley and portable case
A combined luggage case and collapsible trolley includes storable collapsed trolley members which are telescopically slidable to hold additional luggage between...
US-3,958,617 Connector for chains
A connector element for securement of one chain member including a plurality of links to a second chain member also including a plurality of links is disclosed....
US-3,955,422 Sample selector apparatus and method
A method and apparatus which are particularly adapted for use in the selective and coordinated abstracting of samples to be examined. Essentially, the selector...
US-3,951,810 Oil skimmer module with free floating weir trough
A skimmer for removal of a layer of oil or other floating pollutants from the surface of a body of water incorporating a sump box having a pump disposed therein...
US-3,951,370 Leveling device
Roller means are attached to a frame which is attached to the bottom of an appliance. The roller means allows the bottom of the appliance to be tilted in a...
US-3,951,174 Tube orifice for pressure dispensing container
A tubular device for providing a very small passageway suitable for discharging a product and a pressurized material from a container of the aerosol type,...
US-3,951,080 Concealed hardware for adjustable shelving
Paired opposed bracket supports having plural spaced grooves are carried by opposed vertical edges of cooperating spaced shelving stanchions to releasably...
US-3,948,484 Transfer case assembly removal tool
A transfer case assembly removal tool adapted to be coupled with a jack utilizing a tiltable cradle which may be directly bolted to a transfer case. After the...
US-RE28,757 Trolley case
A collapsible trolley which in its collapsed condition can be used as a portable case and more particularly to a trolley of the type in which the wheels and a...
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