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Patent # Description
US-4,306,664 Tank
A tank including a bottom portion, sidewall portions and endwall portions forming a unitary structure with a top opening, a plurality of support sections spaced...
US-4,306,557 Vacuum urological surgical irrigating solution collecting system
A vacuum urological surgical irrigating solution-collecting system of the continuous flow type employs a flexible thin-walled disposable collecting receptacle in...
US-4,303,202 Straw distributing apparatus
Apparatus for distributing chopped straw substantially uniformly including a wheeled carriage, a supporting frame disposed on the wheel carriage, and a straw...
US-4,303,111 Log forming machine
A device that forms smooth cylindrical surfaces along a log being moved longitudinally past a cutting station. The device includes a feed conveyor that moves...
US-4,302,320 Water gas electrolyzer apparatus
An electrolyzer device and apparatus for producing water gas at room temperature and pressures that is substantially free from impurities. An electrolyzer cell...
US-4,302,038 Locking assembly
A locking assembly for a sliding door or window including an angle member disposed with one flange section in a horizontal position normally and a second flange...
US-4,300,581 Centrifugal wafer processor
An automatic production apparatus for processing semiconductor wafers which include a rotor rotatable about a substantially horizontal axis where the rotor...
US-4,299,701 Magnetic fluid treating apparatus
A device for treating fluids passing therethrough with a pulsed DC magnetic field includes a cylindrical conduit of nonmagnetic material in which there is...
US-4,299,668 Separation of ethylbenzene from para- and meta-xylenes by extractive distillation
Ethylbenzene and para-xylene and/or meta-xylene are difficult to separate by distillation because they boil only 2.3 C..degree. and 3.1 C..degree. apart....
US-4,299,178 Furnace and heat storage assembly
A furnace and associated heat storage assembly includes a firebox arranged within a rock storage area that incorporates a recirculating flue arrangement for...
US-4,298,021 Winterizing apparatus for recreational vehicles, vacation homes and the like
An improved winterizing system for a recreational vehicle or vacation home for the prevention of freezing and damage to the plumbing, the system providing for...
US-D261,348 Ribbed coffee urn lid
US-4,294,647 Wood finger jointing apparatus
Apparatus is described for continuously producing finger jointed lumber from individual elongated boards. Each board includes opposed end faces with elongated...
US-4,294,180 Grain drill with device for preventing undesired backfilling of front furrow by rear furrow openers
Forwardly disposed furrow openers and rearwardly disposed furrow openers are conventionally offset to one side of the path traversed by the forwardly disposed...
US-4,293,966 Leafcutter bee larvae extracting method and device
A method and apparatus for cleaning bee culture nests or hives of the spirally wound type, which are formed by spirally wound strips of corrugated and separator...
US-D261,215 Coffee urn lid
US-4,293,759 Electric heating system for heating the interior of a motor vehicle prior to starting
An electric heating system for heating the passenger compartment and defrosting the windshield and rear window of a motor vehicle prior to starting includes an...
US-4,292,142 Separation of ethylbenzene from para- and meta-xylenes by extractive distillation
Ethylbenzene and para-xylene and/or meta-xylene are difficult to separate by distillation because they boil only 2.3 C..degree. and 3.1 C..degree. apart....
US-4,291,678 Solar furnace apparatus
A solar furnace apparatus including a reflector portion, a collector portion and a fluid transfer portion; the reflector portion including a generally...
US-4,291,234 Apparatus for generating electricity
Apparatus for generating electricity including a chamber with a top opening, anchoring mechanism for positioning the chamber in a body of water with wave...
US-4,290,156 Oar lock seat
Disclosed herein is an oar lock seat device that combines a sliding oar lock unit with an adjustable seat-cooler box. This apparatus is comprised of two gunnel...
US-4,286,748 Centrifugal concentrator
A concentrator comprising an elongate vertical upwardly opening drum with an upwardly and radially outwardly inclined side wall and a substantially horizontal...
US-4,286,550 Fuel additive injection device
A fuel additive injection device for injecting an additive into an automotive engine to slow down the burning rate of gasoline while the engine is under heavy...
US-D260,413 Toy African lion
US-4,284,086 Threshing and separating apparatus
A threshing unit is arranged in a concentrically spaced relation within a perforated rotatable grain separating cylinder. An elongated axially fluted impeller...
US-4,283,894 Decorative arch form
A decorative arch form including a pair of side sections, each of the side sections having two edges substantially perpendicular to one another, integral flange...
US-4,283,068 Sled structure
A sled structure including a body supporting portion, a head supporting portion and a towing portion; the body supporting portion and the head supporting portion...
US-4,282,994 Wheel carrier assembly
A spare wheel carrier assembly including a vehicle mounting portion, a supporting portion, and a wheel holding portion; said vehicle mounting portion including a...
US-4,279,312 Dual tractor road grader with double arched center frame
A double arch center frame employs a depending center arch to mount by a ball and socket connection the leading end of a draw bar and yoke assembly. Bell cranks...
US-4,279,108 Joint construction for log buildings
Each log is provided with a tongue on the upper surface and a rectilinear groove in the lower surface thereof. The edges of the tongue are beveled so that upon...
US-D259,895 Maternity dress
US-4,277,462 Method for treating Dutch elm disease using P. syringae
A novel method for treating Dutch elm disease by use of a certain strain of Pseudomonas syringae. This method includes the step of injecting this microorganism...
US-4,276,836 Grain drill utilizing a fertilizer spout and adjustable deflector therefor
The grain drill includes a furrow opener, a forwardly disposed seed spout, a rearwardly disposed fertilizer spout, and a deflector plate positioned beneath the...
US-4,276,050 Method for systemic endotoxin detection
A method for detecting endotoxins in body fluids comprising: unmasking endotoxins in the body fluids; separating the unmasked endotoxins from the body fluids by...
US-4,275,017 Ring controlled variable venturi downdraft carburetor
A variable Venturi condition responsive carburetor wherein a control ring, movable in response to engine operating conditions regulates the amount of air that is...
US-4,274,963 Solids and liquid separating apparatus
The apparatus comprises a container having a V-shaped bottom disposed at an incline. Along the apex of the V, there is positioned an auger which has an exit...
US-4,274,426 Threshing apparatus
The thresher apparatus includes a rotatable tapered threshing cylinder assembled within and in a concentrically spaced coaxially aligned operative relation with...
US-4,274,327 Expansible chamber device
An internal combustion engine, a fluid motor or a pump includes a cylinder block enclosing an elongated cylindrical bore. A double headed piston is slidably...
US-4,272,496 Processing elemental phosphorus (P.sub.4) containing gas streams
The process of this invention provides for reducing the tendency of a carbon monoxide gas stream, containing a minor level of elemental phosphorus, to corrode...
US-4,270,350 Apparatus and method for converting solar energy
An improved apparatus for converting solar energy to mechanical and electrical energy, in which refrigerant composition is alternately evaporated and condensed...
US-4,270,312 Gate assembly
A gate assembly including a support structure, a gate carried by the support structure and movable with respect thereto, and a gate control associated with the...
US-4,269,561 Apparatus for loading and unloading objects relative to a carrier vehicle
An apparatus is provided for loading an object, such as a boat, onto a carrier vehicle having a support mechanism for receiving the object. The apparatus...
US-4,267,627 Attachment for valve spring depressing tool
An attachment that enables use of a common valve spring tool for selectively depressing valve return springs found within deep axial recesses within an engine...
US-4,267,497 Resolver interface for servo position control
In a control apparatus for a machine tool, a resolver interface circuit is utilized to determine whether or not the axis motors have driven the machine tool to...
US-4,266,662 Trough roller assembly
An idler trough roller assembly adapted to be mounted along a supporting frame to support the upper flight of a belt conveyor during movement of bulk material....
US-4,266,585 Vehicle mounted log splitter
A log splitter is securely attached to one bumper of an automotive vehicle and utilizes the power steering pump of the vehicle to operate a hydraulic cylinder of...
US-4,265,623 Clamp for a dental dam
A dental dam clamp in each of two lateral wings has an aperture at least partially bounded by several arcuate walls to engage a handling tool in any of several...
US-4,265,448 Racquet safety tether assembly
A racquet safety tether assembly including a wrist-encircling portion and racquet handle-connecting portion, the wrist-encircling portion comprising a flexible...
US-4,265,217 Remote fireplace damper control
A lengthwise adjustable, vertically elongated bracket for depending support from the lintel of a fireplace and defining a guide opening therethrough at its lower...
US-4,264,850 Position encoder interface for a servo control system
An encoder interface circuit is responsive to command direction signals and pulsed command incremental rotation signals and to actual direction signals and...
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