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Patent # Description
US-4,872,638 Slow acting fluid valve
A slow acting pneumatically operated valve which uses gas pressure and/or pneumatic pressure acting on a diaphragm to counteract the force of a coiled spring,...
US-4,869,053 Quick release safety attachment for a stirrup
A stirrup for a horse riding saddle has a cylindrical bolt attached across its open end which, in a conventional fashion, rests in the bottom loop of a stirrup...
US-4,869,003 Auger snowblower
An auger snowblower having outwardly disposed blowers and horizontally mounted dual augers rotating to move snow outwardly to the blower inlets is disclosed....
US-4,868,565 Shielded cable
A broad band electrical signal transmission system comprising: a first central conductor comprising: a plurality of conductive wire strands, a first insulating layer...
US-4,866,034 Refined detoxified endotoxin
A method is provided for producing an effective adjuvant response or stimulating the immune response of a warm blooded animal which comprises administering to...
US-4,865,200 Shipping container for fragile items
There is provided a shipping container for transporting fragile items. The shipping container consists of a support member and a carton dimensioned to permit...
US-4,862,744 Holder and shut off valve for a water flow control device
An apparatus for mounting a flow measuring device between an input fluid line and an output fluid line has a sleeve with an opening therethrough mounted to a...
US-4,861,978 Automatic gain setting circuit
An automatic gain setting circuit for automatically adjusting the gain of an amplifier which drives an analog meter. The gain of this amplifier is adjusted...
US-4,861,436 Recovery of 4-methyl-2-pentanone from acetic acid by distillation
When 4-methyl-2-pentanone and acetic acid mixtures are subjected to extractive distillation with a dimethyl sulfoxide - pelargonic acid mixture as the agent, the...
US-4,860,874 Vibrating sluice box
A sluice box has an open box frame formed from a plurality of welded beams. A trough having an arcuate transverse cross section is suspended in an inclined...
US-4,859,285 Separation of 2-pentanone from formic acid by extractive distillation
2-Pentanone cannot be completely removed from 2-pentanone and formic acid mixtures by distillation because of the presence of the maximum azeotrope. 2-Pentanone...
US-4,856,784 Casino game
A casino type game includes a plurality of distinguishable sets of playing pieces with a multiplicity of pieces in each set. A spinnable unitary solid brass top...
US-4,856,193 Saw
A novel saw is disclosed having novel dimensions and tooth pattern for the saw to cut efficiently through bone and wood. The saw includes a plurality of teeth...
US-4,855,531 Separation of m-diisopropylbenzene from p-diisoporopylbenzene by azeotropic distillation with ethers
Meta and para-diisopropylbenzene cannot be easily separated from each other by distillation because of the closeness of their vapor pressures. ...
US-4,854,869 Unilateral direction control for dental syringe
The present invention discloses a method for rotation of the nozzle of a dental syringe wherein that syringe is used to direct and deliver various agents...
US-4,852,612 Fluid flow control device
A three-way valve comprises a cylindrical valve chamber with a pair of axially spaced ports on one side and a third centrally located port on the other side. A...
US-4,851,087 Separation of m-diisopropylbenzene from p-diisopropyl benzene by azeotropic distillation with nitrogenous compounds
Meta and para-diisopropylbenzenes cannot be easily separated from each other by distillation because of the closeness of their vapor pressures. ...
US-4,850,614 Truck driver's recording system and apparatus
A truck driver's recording system and apparatus for recording the duty status, expenses, and daily vehicle inspection report is disclosed. The apparatus provides...
US-4,850,441 Livestock weighing apparatus
A livestock weighing apparatus including a weighing cage suspended inside an outer support structure. A cantilevered weight transfer tube is mounted to the outer...
US-4,850,405 Log delimbing and cutoff device
A wheeled trailer provides carriage for a delimbing member having associated means to move a log therethrough and a cutoff member to cut delimbed logs to...
US-4,850,309 Boiler hydraulic column choke and reamer with burner control protection against a low water condition
An improved hydraulic column choke valve and reamer, adapted to hot water heating boilers and the like, permitting maintenance on low water fuel cut-off controls...
US-4,849,647 Floating water turbine
A floating water turbine for taking the kinetic energy from linear current flow and converting it into mechanical energy and subsequently into electrical energy....
US-4,848,679 Crusher
A crusher with opposed jaw members that relatively reciprocate in a substantially linear path to crush material. The jaw members have stepped cruching faces, and...
US-4,848,281 Pulse chamber and supercharging apparatus for internal combustion engines
An intake and exhaust flow improvement device for internal combustion engines is disclosed. The invention provides an anti-reversion chamber having a...
US-4,848,068 Rotary ditch cleaning device
An apparatus is provided for removing weed growth from an irrigation ditch of generally V-shaped contour. The apparatus is caused to ride within the ditch while...
US-4,847,468 Automotive pre-heater
An automotive pre-heater is set forth for use in cold climates for warming the interior and selective portions of an automobile prior to starting and operation....
US-4,846,550 Optical wedges used in beam expander for divergence control of laser
Laser beam divergence control is achieved by interposing a pair of optical wedges (41,42) in the beampath of a laser between a pair of lenses (33, 35) of a beam...
US-4,844,894 Method of inhibiting the onset of septicemia and endotoxemia
The present invention is directed to a method of inhibiting to onset of septicemia and endotoxemia. The methods comprise administering to a warm-blooded animal...
US-4,844,253 Cart bag for golf
A golf bag (10) is specifically adapted for use with powered or pull type carts and includes a rigid base plate (14), a rigid collar (18) including a peripheral...
US-4,843,749 Pistol brace
A pistol brace comprising: a first looped portion positioned under the shoulder of a shooter; a hooked portion a distance from the first looped portion for...
US-4,842,030 Log splitter improvements
Improvements in log splitting devices including an improved log-lifting table having multiple attachment points and greater upward radial movement. A...
US-4,841,691 Mobile home skirting system
A framework for extending around the lower periphery of a trailer house of mobile home, including corner posts and intermediate posts which are adjustable in...
US-4,840,707 Separation of 3-methyl-2-butanone from formic acid by extractive distillation
3-Methyl-2-butanone cannot be removed from 3-methyl-2-butanone and formic acid mixtures by distillation because of the presence of the maximum azeotrope between...
US-4,840,592 Power driven underwater viewing platform
An underwater viewing platform is described which has a stern mounted electric drive motor whose direction and speed may by varied by forward mounted controls...
US-4,836,896 Separation of m-diisopropylbenzene from p-diisoproylbenzene by azeotropic distillation with acetophenone
Meta- and para-diisopropylbenzenes cannot be easily separated from each other by distillation because of the closeness of their vapor pressures. ...
US-4,833,697 Writing instrument for electronic counting and gravity switch reset
A ballpoint pen of conventional size and shape has a movable ball point that is pressed upwardly in the direction of the housing of the pen when a mark is made....
US-4,832,413 Device for mounting vehicle wheels
An adaptor assembly for use with studs used to mount a wheel to a hub of a truck or other vehicle. The adaptor comprises a cylindrically shaped, partially hollow...
US-4,831,802 Insulated face brick
A lightweight, insulated facing brick is provided with a first outer layer formed from conventional bricking clay and a second insulative layer formed from a...
US-4,829,914 Combustion furnace with proportional underfire/overfire air intake control
A solid fuel combustion chamber combusts the fuel utilizing underfire and overfire air. Both the underfire and overfire air derive from a common intake port,...
US-4,828,893 Sign sandblasting method
This disclosure relates to a method of manufacturing a sign or similar article by providing a wooden substrate having an upper surface; providing a laminate...
US-4,828,443 Eye bolt and method of manufacture
The invention is an eye bolt structure and method of forming including bending a straight rod to include a straight shank portion, a loop portion and a straight...
US-4,827,578 Harness
The harness comprises a carrying strap and a gripper. The carrying strap is formed from a soft material. Another strap formed from a stronger, less resilient...
US-4,826,601 Sewage treatment method
A method of treating sewage is disclosed that is particularly suitable for one or a small group of residential dwellings in environmentally sensitive areas. The...
US-4,826,576 Separation of isopropyl acetate from isopropanol by extractive distillation
Isopropyl acetate cannot be completely removed from isopropyl acetate--isopropanol--water mixtures by distillation because of the presence of the minimum ternary...
US-4,823,850 Pullthrough delimbing device
A simple pullthrough-type device is disclosed for simultaneoulsy delimbing single or amassed groups of several felled trees. A base and interconnected vertical...
US-4,822,947 Separation of m-xylene from o-xylene by extractive distillation with DMSO
m-Xylene is difficult to separate from o-xylene by conventional distillation or rectification because of the close proximity of their boiling points. m-Xylene...
US-4,819,735 Hand-operated lawn aerator
A hand-operated lawn aerator which can be used to extract plugs of thatch and soil from a lawn. The device includes a long hollow tubular member having a cutting...
US-4,818,697 Techniques for enhancing the permeability of ions through membranes
A method is provided for enhancing the transport of a selected ion having a predetermined charge-to-mass ratio through a biomolecular membrane located in a space...
US-4,816,005 Sports bra
The sports bra comprises two front panel sections with each front panel section being a mirror image of the other and including a main body portion and an...
US-4,815,836 Adjustable support mechanism for vehicle side view mirror
An adjustable side view mirror assembly (10) which includes a conventional support mounting (14) supporting neck (12) and mirror (M). After the neck (12) is cut...
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