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| Patent # | Description |
|---|---|
| US-4,493,394 |
Brace lock for scaffolding A brace lock on a scaffold for releasably engaging a perforated end of a brace. The lock comprises a pin means with an end attached to the scaffold and a free... |
| US-4,493,393 |
Mechanic's rest The invention comprises a portable, compact and lightweight mechanic's rest, consisting of a chest support platform, itself supported by front and rear leg... |
| US-4,493,392 |
Convertible fold-up ladder A portable folding ladder comprising a plurality of U-shaped modules having a rung and two vertical portions, the modules movable connected to each other, and... |
| US-4,493,391 |
Safety lowering device A self-contained safety device for self-lowering a person comprises an elongated high-strength safety webbing to support a person and a reel for releasably... |
| US-4,493,390 |
Apparatus for the combined production of electrical energy and heat The apparatus is enclosed in thermally and acoustically insulating panels supported by a framework. Each panel has a peripheral gasket which seals against... |
| US-4,493,389 |
Speaker assembly An acoustic assembly adapted to receive a loudspeaker comprising an enclosed housing having an area defining a loudspeaker port and an area defining at least one... |
| US-4,493,388 |
Bearing assembly for a vehicle wheel driven by a rotary constant
velocity universal joint A wheel bearing assembly wherein the wheel is driven through a universal joint is arranged with the outer joint member of the universal joint in positive driving... |
| US-4,493,387 |
Clutch driven front axle fourwheel drive system A four wheel drive system has two overrunning clutch drive assemblies drivably connected to each of the front axle shafts. The rear axle shafts are driven from a... |
| US-4,493,386 |
Single cylinder tilt-cab anti-torsion apparatus A single cylinder, tilt-cab tractor including a chassis, a cab pivotably mounted about an axis near the front of the chassis, a suspension assembly mounted at... |
| US-4,493,385 |
All terrain vehicle An all terrain vehicle equipped with an internal combustion engine which is connected to a torque responsive continuously variable transmission which in turn is... |
| US-4,493,384 |
Electronic counting scale There is disclosed an electronic counting scale provided with means for calculating a maximum addable number of items to be added to an already counted known... |
| US-4,493,383 |
Well clean out tool The present invention relates to a well clean out tool comprising an elongated body having first and second ends and being adapted to be received within a well... |
| US-4,493,382 |
Vehicle-mounted earth drilling apparatus An "L" shaped mud pit longitudinally and horizontally hinges at an upper edge of a wall panel thereof to a portion of a vehicle frame, or an extension thereof,... |
| US-4,493,381 |
Turbodrill with a reduced drilling fluid pressure on a floating piston A turbodrill of the type having an annular floating piston between a tubular housing and a bit drive shaft for bounding the top of a lubricant chamber and the... |
| US-4,493,380 |
Hydraulic straight hole drill collar An improved drill collar for forming relatively straight holes in crooked hole type formations. One or more hydraulic drill collars are connected in series... |
| US-4,493,379 |
Cable reaming apparatus and method The technique for replacing an existing underground cable and a specific apparatus for doing so are disclosed herein. The apparatus includes a main body or cable... |
| US-4,493,378 |
Terminal assembly First and second members are disposed in spaced relationship to each other. The members may be electrically conductive. The first member may be provided with a... |
| US-4,493,377 |
Electronic two-hand safety system for power tools To permit operation of the power tool only if both hands of an operator are engaged, the tool is formed with a handle portion which has a sensing surface... |
| US-4,493,376 |
Fastener driving tool This improved powder-actuated fastener driving tool includes a fastener-driving piston which is slidably housed in a reciprocating barrel. The barrel is... |
| US-4,493,375 |
Method and apparatus for forming and reforming a furrow To form a furrow for row guidance systems, a shank is mounted on a frame forwardly of a wheel which includes a V-shaped tire. The shank opens the ground and the... |
| US-4,493,374 |
Hydraulic setting tool A hydraulic setting tool is shown of the type used to set a downhole device in a well bore. The setting tool includes an elongated tubular body adapted to be... |
| US-4,493,373 |
Dynamic seal for well tools A dynamic seal for use between reciprocal concentric tubular members is disclosed herein and is especially adaptable for use in providing a dynamic seal between... |
| US-4,493,372 |
Well completion system and process Well completion system providing for an enhanced bond between a well casing and the surrounding cement sheath. The system comprises a string of casing disposed... |
| US-4,493,371 |
Recovering oil by injecting aqueous alkali, cosurfactant and gas A process of recovering oil from a subterranean reservoir in which the oil is acidic but forms monovalent cation soaps of only relatively low interfacial... |
| US-4,493,370 |
Urea as a cosurfactant in enhanced oil recovery processes A surfactant system useful for oil recovery comprising salt water, a surfactant, such as a petroleum sulfonate, and urea. Optionally, a C.sub.3 to C.sub.8... |
| US-4,493,369 |
Method of improved oil recovery by simultaneous injection of water with
an in-situ combustion process A method of recovering heavy oil from a subterranean, permeable, heavy oil-bearing reservoir in which an oxygen-containing gas is injected into the lower portion... |
| US-4,493,368 |
Helical flow heat exchanger having individually adjustable baffles A shell and tube heat exchanger includes a central pipe situated in the shell and provided with a number of individually adjustable baffles. An entire bundle of... |
| US-4,493,367 |
Repair of double shell heat exchangers A method and apparatus for sealing a hole in the inner wall of a double wall heat exchanger in which cover means is positioned in biased relationship to the hole... |
| US-4,493,366 |
Means for recovering heat from a room space, and for ventilation A means for recovering the heat of a room space and for ventilation, consisting of at least two heat accumulators, to which the outgoing air delivers its heat... |
| US-4,493,365 |
Heating device with heat storage A heat storage device comprises a hermetically sealed metallic container having one or more molten alkali metal fluorides and/or alkaline earth metal fluorides... |
| US-4,493,364 |
Frost control for space conditioning An apparatus and process for frost control for the ambient air heat exchanger of a space conditioning apparatus. The ambient air heat exchanger is immersed in a... |
| US-4,493,363 |
Method at continuous casting of steels and metal alloys with segregation
tendency and apparatus for carrying... A method for preventing segregations in continuous casting by deforming the continuous strand plastically during the solidification in such a way that the cross... |
| US-4,493,362 |
Programmable adaptive control method and system for die-casting machine A computerized die-casting machine control includes a microcomputer and a programmable controller having presettable inputs to establish a desired machine... |
| US-4,493,361 |
Continuous casting apparatus A continuous casting apparatus wherein molten metal flows through a die progressively and is solidified in the die and withdrawn from the die including a die and... |
| US-4,493,360 |
Apparatus for rotary casting ingots Molten metal is poured into a substantially cylindrical mold from its bottom while the mold is being rotated about its vertical center axis. The ingot-making... |
| US-4,493,359 |
Method for making cast iron engine blocks and the like A method for making grey iron castings having as a cardinal feature that the molten grey iron, after being made and prior to being poured into the molds, is... |
| US-4,493,358 |
Apparatus and method for retaining pleats in hanging draperies Apparatus and method for retaining pleats in hanging draperies including an elongated flexible cord having a plurality of elongated resilient members fixedly... |
| US-4,493,357 |
Suspension system for suspending a venetian blind assembly A suspension system for a venetian blind assembly having a plurality of slats. The suspension system includes slat supporting means for tiltably supporting... |
| US-4,493,356 |
Roller shutter installation and safety apparatus The safety apparatus for locking slatted roller shutters is disposed in a channel-shaped shutter rail provided on the side of the roller shutter and comprises a... |
| US-4,493,355 |
Vehicle tire Puncture-proof vehicle tires consisting essentially of one material and comprising a tread thicker than the side walls, an encircling empty space between the... |
| US-4,493,354 |
Tire chain A tire chain comprising two-spaced parallel side chains, a plurality of cross chains joining the side chains at spaced intervals, a plurality of spaced junction... |
| US-4,493,353 |
Nail guide and set A tool for countersinking nails into a workpiece has a base member, which is formed of resilient material, and has a generally flat bottom section resting on the... |
| US-4,493,352 |
Wood chip shaver A wood chip shaver, consisting of cutting blades disposed on a circle and of a rotor rotating about its drive shaft therewithin and carrying a chip guide means.... |
| US-4,493,351 |
Apparatus for copy-machining a workpiece Apparatus for copy-machining a workpiece includes a disk miller assembly acting as a shaping tool and a grinding belt extending between return pulleys and acting... |
| US-4,493,350 |
Device for removing air from hermetic, automatically emptying centrifuge
drums A device for removing air from hermetically sealed, automatically emptying centrifuge drums and consisting of an air-removal valve atop a reservoir with a... |
| US-4,493,349 |
Liquid filling machine A machine for filling liquid into flexible or rigid containers, including a filling head for passing fill liquid to a container, a valve in the head, an outlet... |
| US-4,493,348 |
Method and apparatus for orally dispensing liquid medication A container housing liquid medication is provided together with a syringe and a coupling member for use in orally administering the medication to a patient. The... |
| US-4,493,347 |
Weft insertion device for a band-gripper weaving machine The present invention relates to a weft insertion device for use on a band-gripper weaving machine. The device has a driven, rotationally oscillating band wheel... |
| US-4,493,346 |
Coupling arrangement usable in a textile machine In a coupling arrangement for a textile machine, a drive shaft can be intermittently rotated and a connecting member encircles and is connected to the drive... |
| US-4,493,345 |
Thermal insulation jacket having curved tube or pipe A thermal insulation jacket for a curved tube as two shell halves such that the shape of each shell half has portions which enclasp the tube and afford at least... |
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