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Patent # Description
US-4,977,866 Flow control system for intake manifold
A movable wall member is mounted in the intake runner of an internal combustion engine manifold and connected to an actuator plate in the manifold plenum which...
US-D313,057 Golf putter head
US-4,975,158 Recovery of glycerine from polyols by azeotropic distillation
Glycerine cannot be easily separated from triethylene glycol and 1,2,4-butanetriol by atmospheric or reduced pressure distillation because of the closeness of...
US-4,975,157 Separation of lactate esters by extractive distillation
The lower lactate esters are difficult to separate one from another by conventional distillation or rectification because of the close proximity of their boiling...
US-4,973,046 Adjustable therapeutic exerciser for lower human extremities
An exercise device for active or passive therapeutic exercise of human lower extremities provides a portable base structure supporting a housing that journals a...
US-4,972,665 Material ejecting paddle
Removable paddles are disclosed for use on a grain auger to assist material flow when changing direction of flow from parallel to the auger's longitudinal axis...
US-4,972,557 Coin holder for belt buckle or the like
A coin holder for a belt buckle or the like for mounting a coin within a belt buckle in which the coin can be easily removed and/or replaced by the user.
US-4,971,504 Bale pickup transfer and stacking apparatus
A bale handling apparatus, particularly for loading, stacking and retrieving large rectangular bales, includes an elongated bed mounted on a vehicle adapted for...
US-4,971,279 Hanger clip
A hanger clip of a type for use with conventional suspended ceiling beams that have L-shaped beams along the wall of a room to which the ceiling is applied and...
US-4,971,027 Portable stove
A portable camp stove has an upper chamber for holding a liquid to be heated and an integral lower chamber disposed below the upper chamber. An elongated chimney...
US-4,969,977 Separation of 2-methyl-butanol-1 from pentanol-1 by extractive distillation
2-Methyl butanol-1 cannot be completely removed from 2-methyl butanol-1-pentanol-1 mixtures by distillation because of the proximity of their boiling points....
US-D311,808 Shoulder protector
US-4,966,658 Recovery of ethylene glycol from butanediol isomers by azeotropic distillation
Ethylene glycol cannot be easily separated from 1,2-butanediol or 1,3-butanediol by atmospheric or reduced pressure distillation because of the closeness of...
US-4,966,656 Separation of styrene from ethyl benzene or o-xylene by azeotropic or extractive distillation with esters
Styrene cannot be easily removed from ethyl benzene or o-xylene by distillation because of the closeness of their boiling points. Styrene can be readily...
US-4,964,918 Grouting composition
A grouting composition for sealing a borehole or other cavity comprising 90-99.9% finely divided water swellable clay and 0.1-10% thinner. The grouting...
US-4,963,305 Insulated face brick
A light weight, insulated facing brick is provided with a first outer layer formed from conventional bricking clay and a second insulative layer formed from a...
US-4,962,707 Apparatus for printing uniformly, with total die contact utilizing a pivoting drum and two air cylinders
Printing apparatus includes a print drum having a raised image for printing disposed on the circumference thereof and having a central bore, a shaft dimensioned...
US-4,959,128 Separation of styrene from ethyl benzene by extractive distillation
Ethyl benzene cannot be easily removed from styrene by distillation because of the closeness of their boiling points. Ethyl benzene can be readily separated from...
US-4,958,650 Walking and skiing aid
A walking and skiing aid is disclosed. The invention provides a tapered, elongate rod having a ground engaging tip end and an upper gripping end. The gripping...
US-4,957,595 Separation of 3-methyl-2-butanone from formic acid by extractive distillation with sulfolane
3-Methyl-2-butanone cannot be separated from formic acid by distillation because of the presence of the maximum boiling azotrope. 3-Methol-2-butanoe can be...
US-4,956,135 Molding apparatus and method
Continuous molding apparatus includes a raw material supplying portion, a mixing portion, a molding portion, a mixture delivery portion, a supporting portion and...
US-4,956,133 Continuous molding apparatus and method
Continuous molding apparatus includes a raw material supplying portion, a molding portion, a supporting portion, a mixing portion and a control portion. Each...
US-4,955,760 Laminate forming and applying apparatus and method and product therefrom
A continuous structural laminate includes a plurality of continuous generally parallel spaced integrally bonded porous blankets with a continuous polymeric...
US-4,955,759 Ditch lining apparatus and method and product therefrom
Mobile continuous ditch lining apparatus includes a supporting portion, a raw material supplying portion, a mixing portion, a mixture delivery portion, a matrix...
US-D310,553 Arrowhead
US-4,953,872 Transportation industry game
A method of playing a transportation industry game includes the following steps: There is provided a playing surface with a plurality of adjacent areas forming a...
US-4,951,957 Trailer hitch
A wide-range hitch assembly which mounts on a towing vehicle is provided wherein a hitch ball can be pivoted in an arc and extended or retracted to simplify...
US-4,951,811 Combined eye glass, contact lens and accessories case
A combined eye glass, contact lens and contact lens accessories case comprising a foldable member which may be moved between open and closed positions and which...
US-4,949,014 Device for regulating luminous flux of battery powered headlamp
A low cost, highly efficient, lightweight device for regulating the luminous flux output of an incandescent headlamp as its battery supply voltage changes. The...
US-4,948,471 Separation of 4-methyl-2-pentanone from formic or acetic acid by extractive distillation with sulfolane
4-Methyl-2-pentanone cannot be easily separated from formic acid or acetic acid by distillation because of the closeness of their boiling points. ...
US-4,948,469 Separation of formic acid from dioxane by extractive distillation with amides
Dioxane cannot be completely removed from dioxane and formic acid mixtures by distillation because of the presence of the maximum azeotrope. Dioxane can be...
US-4,946,308 Erosion-control matting and method for making same
An erosion-control matting and method for making the matting wherein the matting is used for controlling certain erosion conditions, particularly with respect to...
US-4,944,320 Chemical control of root growth in sewers and the like
Coating with clinging foam the upper interior walls of a generally horizontal pipe. A high-pressure pump delivers jetting water to a nozzle through a normally...
US-4,936,038 Handgun keeper
A handgun keeper for use with a handgun comprising two wooden frames of similar size, two hinges pivotally connecting the two frames such that the front frame is...
US-4,935,579 Separation of m-diisopropylbenzene from p-diisopropylbenzene by azeotropic distillation with alcohols
Meta and para-diisopropylbenzenes cannot be easily separated from each other by distillation because of the closeness of their vapor pressures. ...
US-4,935,103 Separation of n-propanol from t-amyl alcohol by extractive distillation
n-Propanol and t-amyl alcohol cannot be separated from each other by distillation because of the proximity of their boiling points. n-Propanol can be readily...
US-4,935,102 Separation of 2,3-butanediol from propylene glycol by azeotropic distillation
A complex mixture of polyols cannot be easily separated by atmospheric or reduced pressure distillation because of the closeness of their boiling points. A...
US-4,935,100 Dehydration of formic acid by extractive distillation
Formic acid cannot be completely removed from formic acid and water mixtures by distillation because of the presence of the maximum azeotrope. Formic acid can be...
US-4,934,957 Automotive battery terminal clamp for a battery jumper cable
A clamp for battery jumper cables includes a pair of pivoted terminal gripping members with a switch and linkage arrangement connected between a conductive jaw...
US-4,934,438 Motorized window blind with manual overrride
A motorized window blind operator is slidably received in a mounting bracket in the plane of the blind in a window frame. A motor in the operator housing...
US-4,934,321 Animal restraints
It has been found that weight on each foot tends to diminish the tendency to wander. The present invention employs a chain of sturdy links, a portion of each end...
US-D308,627 Tie down clamp for pickup trucks
US-4,932,951 Method and apparatus for controlling tissue growth and an applied fluctuating magnetic field
An apparatus and method for regulating tissue growth in vivo are provided. The apparatus includes a magnetic field generator and a magnetic field detector for...
US-4,931,145 Separation of benzene from acetone by azeotropic distillation
Acetone cannot be easily separated from benzene in high purity by distillation because of the closeness of their vapor pressures. Acetone can be readily removed...
US-4,930,240 Gun barrel cleaning device
A gun barrel cleaning device includes an elongated shaft having a driving head at one end dimensioned for engagement with a battery powered reversible electric...
US-4,929,270 Method of inducing chlorosis in a knapweed plant
A method of selectively inducing chlorosis on a knapweed plant while spar other plants comprises applying a knapweed phytotoxic amount of the L,L isomer of the...
US-4,925,533 Separation of vinyl acetate from ethyl acetate by extractive distillation with acids or acid amides
Vinyl acetate cannot be easily removed from ethyl acetate by distillation because of the closeness of their boiling points. Vinyl acetate can be readily...
US-4,924,557 Harness
The harness comprises a carrying strap and a connector. The connector is formed from a resilient material and comprises a strap like member having a rectangular...
US-4,919,632 Collapsible one-man pontoon fishing raft
A collapsible fishing raft comprising pontoons, a means of connecting the said pontoons and a seat, which components are capable of being transported by one...
US-4,919,109 Pack kitchen with airtight stove and flue oven
A sheet metal constructed modular pack kitchen including utility tables, sinks and cabinetry, along with an airtight wood stove and flue-mounted oven. When...
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