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Patent # Description
US-4,770,154 Moment transfer pulley system for compound archery bows
A compound bow (20) with a moment transfer pulley system (28) for reducing the holding force at the maximum bowstring draw position and for attaining and...
US-4,768,674 Baffle for fluid containers
A baffle is set forth for use within fluid containers or vessels. The baffle comprises a ribbon of resilient material that is formed in a pleated configuration...
US-D297,443 Doll
US-4,765,360 Water heater leak collector
An auxiliary appliance for collecting water that leaks from a water heater and the like that is mounted thereon. This device includes a collector base that has...
US-4,765,262 Three disk opener assembly
An agricultural planter in which three coulters are mounted on a single shaft, which shaft is supported at each end with side supports carried by the frame of...
US-4,764,373 Method of increasing the economic value of breeding stock semen
Method of artificially inseminating a plurality of animals with aliquots of sperm obtained from a breeding stock individual of that species, obtained by...
US-4,763,437 Fishing apparatus
A fishing apparatus for assisting an angler in the placement of a lure or bait in a lake or stream is disclosed. The apparatus provides parallel buoyant hulls...
US-4,762,328 Arrowhead with refillable cartridges for high impact arrows
An arrowhead that incorporates refillable cartridges for high velocity arrows used in hunting big and small game. The unique feature of the design of this...
US-4,761,149 Elk calling device
An animal calling device which has a reed member stretched between two generally rectangular members which are bowed at each end in a direction perpendicular to...
US-D297,028 Flight simulator control
US-4,757,905 Hat rack
A hat rack for effectively holding a hat in a manner and position simulative of the position that the hat would take when placed on a person's head and...
US-4,756,803 Separation of 2-butanol from t-amyl alcohol by extractive distillation
2-Butanol cannot be completely removed from 2-butanol - t-amyl alcohol mixtures by distillation because of the proximitry of their boiling points. 2-Butanol can...
US-4,756,052 Door stop
A portable, selectively lockable door stop having a pair of telescopingly fitted rods with door brace linkage engaging channels is disclosed. The invention...
US-D296,677 Antler/horn mounting panel
US-D296,514 Ratchet wrench
US-4,749,533 Method of centrifugally molding a composite integral skin structured panel
A molded structural panel with substantially parallel major surfaces includes integrally formed thin thermosetting resin high density outer sections. Less dense...
US-4,746,553 Liquid injection machine
A liquid injection machine for injecting wood preservative liquid onto railroad ties by injecting liquid through the unused spike hole or holes in a tie plate...
US-4,744,381 Center pole lodge
A ventilating system for a tepee includes an uppermost portion of a wall of a tepee, a substantially horizontally disposed opening defined by a top of the...
US-4,743,477 Optical novelty simulating a containerized rainbow
An article of manufacture providing a bottle-like translucent cylinder defining a chamber containing a rainbow element that when viewed with transmitted light...
US-4,742,602 Tarpaulin securing assembly
A tarpaulin securing assembly includes a first surface contacting portion, a second surface contacting portion, a securing portion and a connecting portion. The...
US-4,738,755 Separation of m-xylene from o-xylene by extractive distillation
m-Xylene is difficult to separate from o-xylene by conventional rectification or distillation because of the close proximity of their boiling points. m-Xylene...
US-4,738,618 Vertical thermal processor
Vertically oriented thermal processor, also known as a vertical diffusion furnace for the processing of silicon or gallium arsenide wafers or substrates...
US-4,738,574 Router jig apparatus
Router jig apparatus includes a base portion, a router positioning portion, a workpiece orbiting portion and a workpiece positioning portion. The base portion...
US-4,738,208 Metered seed planting apparatus
A metered seed planting apparatus (10) comprising a shoe unit (11); a pivoted seed hopper unit (12); an adjustable seed metering unit (13); a vertically...
US-4,736,658 Screw holding and driving device
An improved screw holding and driving device having a sleeve positioned on a shank of a screwdriver in surrounding relation. The interior diameter of the sleeve...
US-4,735,690 Dehydration of impure formic acid by extractive distillation
Impure formic acid cannot be completely removed from formic acid-water-impurity mixtures by distillation because of the presence of the maximum azeotrope between...
US-4,735,367 Can crusher
Apparatus for crushing cans or the like comprises a conveyor formed from a plurality of endless chains cooperating with a fixed inclined crushing plate...
US-4,732,653 Separation of ethanol from t-butanol by extractive distillation
Ethanol and t-butanol cannot be separated from each other by distillation because of the proximity of their boiling points. Ethanol can be readily separated from...
US-4,726,044 Writing instrument with solar-powered electronic counting and liquid cyrstal display
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-4,725,337 Method for drying low rank coals
A process is disclosed for removing a substantial portion of water and impurities from low rank coal and peat, whereby an improved coal or peat product (not...
US-4,724,049 Separation of isobutyl acetate from isobutanol by extractive distillation
Isobutyl acetate cannot be completely removed from isobutyl acetate - isobutanol - water mixtures by distillation because of the presence of the minimum ternary...
US-4,723,943 Sheathed syringe
A syringe with a body and a needle at one end and an injection plunger movable into the body at the opposite end. A guide lug is fixed on the syringe body near...
US-4,721,165 Horseshoe
Horseshoe device (10) having a squared off toe portion (12) including branches (14,16) with heel portions (18,20) in which the front edge (30) of the toe portion...
US-4,721,079 Rotary engine
The present rotary engine has a frame with facing, endless spherical surfaces between which combustion chambers move through contraction and expansion cycles....
US-4,718,989 Separation of isopropanol from isopropyl acetate by extractive distillation
Isopropanol cannot be completely removed from isopropanol-isopropyl acetate-water mixtures by distillation because of the presence of the minimum ternary...
US-4,718,988 Separation of 2-butyl acetate from 2-butanol by extractive distillation
2-Butyl acetate cannot be completely removed from 2-butyl acetate-2-butanol-water mixtures by distillation because of the presence of the minimum ternary...
US-4,718,987 Separation of isopropanol from isopropyl acetate by extractive distillation
Isopropanol cannot be completely removed from isopropanol--isopropyl acetate--water mixtures by distillation because of the presence of the minimum ternary...
US-4,718,417 Visible fluorescence spectral diagnostic for laser angiosurgery
A method of diagnosis of the type of tissue in an artery, including distinguishing artery wall from atheromateous plaque is described, in which a catheter with...
US-4,715,933 Separation of n-propanol from 2-butanol by extractive distillation
n-Propanol and 2-butanol cannot be separated from each other by distillation because of the proximity of their boiling points. n-Propanol can be readily...
US-4,713,054 Implanted muscle powered drug dispensing system
A muscle powered liquid dispensing insert is provided for use with an implanted anchor having a hollow anchor sleeve extending into the subcutaneous fascia of a...
US-4,712,592 Bicycle pump apparatus
Bicycle pump apparatus includes a cylinder portion, a piston portion, a handle portion, a seat mounting portion and an air discharge portion. The cylinder...
US-4,711,538 Adjustable support device for vehicle side view mirror
An adjustable side view mirror assembly (50) which includes a conventional pivotal mounting bracket (20) having an upper generally horizontal support portion...
US-4,710,275 Separation of isopropanol from t-butanol by extractive distillation
Isopropanol and t-butanol cannot be separated from each other by distillation because of the proximity of their boiling points. Isopropanol can be readily...
US-4,710,274 Separation of ethanol from isopropanol by extractive distillation
Ethanol and isopropanol cannot be separated from each other by distillation because of the proximity of their boiling points. Ethanol can be readily separated...
US-4,710,172 High pressure syringe with pressure indicator
A high pressure anesthetic syringe is provided for use in procedures such as intraligamentary anesthesia wherein a high pressure is generated by a drive...
US-4,709,829 SAN-I-CAN (a beverage container incorporating its own straw)
An orifice which is an integral part of or attached to the underside of a beverage container top surface allows a corrugated straw with an air chamber near its...
US-4,707,932 Ice fishing apparatus
Ice fishing apparatus include a body portion, a supporting portion, a line storing portion, a connecting portion, a displaying portion and a triggering portion....
US-4,706,642 Folding camp stove/oven apparatus
Folding camp stove/oven apparatus includes a first housing portion, a second housing portion, a leg portion and leg retaining portion. The first housing portion...
US-4,705,949 Method and apparatus relating to specimen cells for scanning electron microscopes
Disclosed is an improved specimen cell for maintaining a scanning electron microscope specimen under nearly physiological conditions during observation when said...
US-4,702,786 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...
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