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Patent # Description
US-4,418,768 Manual torque magnifying impact tool
An improved manually operated torque magnifying impact tool is provided having an improved drive, an improvement for reducing friction loss in operation of the...
US-4,418,767 Interchangeable valve system for hydraulic reversal of positive feed drill
In a positive feed power drill having a spindle drive gear train and a spindle feed gear train, and having hydraulic (air) means for actuating a piston to...
US-4,418,766 Compact multi-speed hammer-drill
A multi-speed hammer-drill has a rotary-reciprocatory output spindle journaled in its housing. A fixed hammer member is mounted about the spindle in a forward...
US-4,418,765 Power-driven screwdriver with a torque control
A screw tightening apparatus comprises a motor-driven screwdriver bit supported on a base for tightening a screw with a torque which is detected as a reactive...
US-4,418,764 Fluid impulse torque tool
A fluid impulse torque tool used for tightening screws, which automatically stops when a predetermined tightening force is attained. A piston is actuated by...
US-4,418,763 Agricultural folding tool bar
A tool bar having a hollow central section and oppositely extending offset hinged wings movable from a generally horizontal, transversely extending working...
US-4,418,762 Balanced implement transport vehicle
A balanced implement transport includes a rotatable drawbar having a first plurality of spaced apart implement hitch frames, for connection to individual...
US-4,418,761 Adjustable tillage implement positioning apparatus
A mounting/positioning apparatus for attaching an agricultural implement such as a reel unit or a rotary packer assembly to the frame of a tillage machine is...
US-4,418,760 Subsoil planar tool and shear bolt therefor
A subsoil cultivating tool is sickel-shaped and planar with front and rear edges configured the same to facilitate manufacture. A plurality of such tools can be...
US-4,418,759 Soil leveling apparatus
A soil leveling apparatus (10) is disclosed which includes a frame (11) having ground-engaging members (12a, 12b, 12c, 13) disposed transverse to the direction...
US-4,418,758 Tractive force sensing system for tractor
A tractive force sensing system for tractor provided with a hydraulic device for tractor having a draft control function to actuate an oil pressure control valve...
US-4,418,757 Storage rack structural sprinkler system
An improved sprinkled warehouse stacker rack in which the sprinkler system is an integrated portion of a rack structure. A plurality of load bearing side frame...
US-4,418,756 Method and apparatus for performing operations in well tubing
A pumpdown system in which the pistons providing for movement of the train into and out of the well do not travel down into the tubing below the wellhead and are...
US-4,418,755 Methods of inhibiting the flow of water in subterranean formations
Methods of inhibiting the flow of water into and from subterranean well formations wherein one or more gelling agents having the property of forming highly...
US-4,418,754 Method and apparatus for gravel packing a zone in a well
Apparatus adapted to be lowered on a tubing string for setting a gravel pack at the bottom of a well. Conduits provide a gravel-slurry flow path from the bottom...
US-4,418,753 Method of enhanced oil recovery employing nitrogen injection
Disclosed is a Process for the recovery of oil from a subterranean oil reservoir by miscible displacement. An initial light hydrocarbon slug is injected into the...
US-4,418,752 Thermal oil recovery with solvent recirculation
A process for the production of heavy oil from a subterranean oil reservoir by the injection of a hot aqueous fluid into the reservoir and the injection of a...
US-4,418,751 In-situ combustion process
A method for conducting an in situ combustion process in a hydrocarbon-bearing subsurface geologic formation wherein water and essentially pure oxygen are...
US-4,418,750 Well tool
A running tool for installing a wireline retrievable safety valve in a landing nipple of a well tubing string including a body connectible with a wireline tool...
US-4,418,749 Heat exchanger
In a heat exchanger for the recovery of heat from hot shale ashes, having tubes arranged in a frame in latticed pattern and serving to conduct a gas, the frame...
US-4,418,748 Heat exchanger whose hot end has a device for protecting the tube plate
A heat exchanger comprising an outer casing closed at its hot and cool ends by two tube plates, a cluster of tubes which is connected to the tube plates to...
US-4,418,747 Shuttle cleaning of heat exchanger tubes
A shuttle assembly is provided which includes a spring cleaning element secured at each end to mounting members which are freely slideable on a longitudinal...
US-4,418,746 Plate-type heat-exchanger and manifold assembly
A heat exchanger has a heat-exchange plate having an edge and formed with a lurality of parallel spaced-apart longitudinal passages opening at the edge and with a...
US-4,418,745 Apparatus for heating persons travelling in or on open vehicles having internal combustion engines
The invention relates to an apparatus for heating persons travelling in or on motorcycles or motor vehicles having internal combustion engines, particularly open...
US-4,418,744 Air conditioning control system with user power up mode selection
A user-operable power-up mode switch included within an electronic air conditioning mode control circuit of the type including momentarily-actuated user mode...
US-4,418,743 Electronic circuit for controlling a heating or air-conditioning apparatus in a motor vehicle
An electronic circuit for controlling the heating or air conditioning apparatus in an automobile permits the capability of heating the vehicle without the heat...
US-4,418,742 Rotor construction for rotary regenerative air heater
A rotary regenerative heat exchanger wherein radial plates are connected to radial plate pins which engage a pair of core plates disposed about a rotor shaft and...
US-4,418,741 Method of controlling relative movement between an ingot and a mold
A method of controlling relative movement between an ingot and a mold consists of monitoring the level of the metal pool in the mold by measuring the voltage...
US-4,418,740 Centrifugal caster
A centrifugal caster comprising a motor driven centrifuge arm connected to a weight arm, both of which are rotatable about a vertical axis. A casting chamber is...
US-4,418,739 Insulating window covering
An insulating shade including a channel-type frame which is designed to be permanently installed on the prime window frame. The shade assembly which is mounted...
US-4,418,738 Device for automatically tightening spokes in spoke wheels
A device and a method for automatically tightening spokes in spoke wheels. The device of the invention is used with a spoke wheel comprising a hub, into which...
US-4,418,737 Automatic tire inflation system
An automatic tire inflation system for a vehicle (10) includes a plurality of wheel assemblies (14). Each wheel assembly includes a rotatable portion (30)...
US-4,418,736 Vehicle tire
A high performance bicycle tire comprising a casing of untreated woven fabric in the form of a toroid about an inner tube, wherein the threads of the fabric are...
US-4,418,735 Tire, particularly for airplanes, having a crown reinforcement with extensible edges and method of...
The tripartite crown reinforcement of this tire is subdivided into a median portion composed of two plies of cables whose extensibility is practically zero,...
US-4,418,734 Safety support system
A safety support system in which an annular safety support of resilient foam material having an outer diameter less than the inner diameter of the tire is...
US-4,418,733 Holding device
A multi-purpose holding device including a receptacle or pouch and a fastener particularly advantageous for use in moving vehicles. The surface of the pouch and...
US-4,418,732 Hand tool and a core reinforced molded synthetic material handle therefor
A molded synthetic material tool handle comprises a synthetic material molded around an elongated reinforcing core. A tool carrying section is located at one end...
US-4,418,731 Adapter frame for roto-tillers
A log splitter attachment for use with a garden tiller. The log splitter attachment is comprised of a frame portion which is releaseably attached to the...
US-4,418,730 Automatic shut-off nozzle with vapor return seal
Liquid flow through an automatic shut-off nozzle is automatically stopped if the fill pipe opening of the tank being filled is not sealed so that vapor return...
US-4,418,729 Shuttleless loom weft detaining device
A shuttleless loom weft detaining device comprises a drum around which a weft yarn is wound prior to its introduction to a weft inserting nozzle, the drum...
US-4,418,728 Weft thread-storage apparatus for a loom, especially a gripper loom
A weft thread-storage apparatus for a loom, especially a gripper loom, comprises a storage for the temporary loop-shaped storage of a filling or weft thread to...
US-4,418,727 Weft insertion devices on looms having a motionless weft reserve
A weft transfer device having special configuration of leading and drawing pincers for inserting the weft in a shuttleless loom. The device includes a leading...
US-4,418,726 Double loop seam for corrugator belts
The disclosure is of a seam construction for multilayered corrugator belts. The construction comprises woven complementary seam-halves joined by pintles and in...
US-4,418,725 Hook for Jacquard machine
An improved hook for a double-lift open shed Jacquard machine, each hook having first and second oppositely facing catches and having a boss for contacting in...
US-4,418,724 Heat insulating casing
Heat insulating casing for structural components having curved surfaces, including insulating plates formed of compressed material based on pyrogenic silica,...
US-4,418,723 Flow restrictor
Improvements in a flow restrictor for use in a flowmeter measuring a flow rate according to the pressure drop caused by laminar flow, utilizing the fact that the...
US-4,418,722 Pressure letdown method and device for coal conversion systems
In combination with a reactor for a coal utilization system, a pressure letdown device for accepting from a reactor, a polyphase fluid at an entrance pressure...
US-4,418,721 Fluidic valve and pulsing device
A high capacity fluidic valve is disclosed which is useful for creating psure pulses in a drill string for communicating diagnostic information from the bottom...
US-4,418,720 Solenoid operated directional valves having modular construction
Solenoid operated directional valves are disclosed which have a modular construction wherein electrical connections between component parts are made integral and...
US-4,418,719 Air control apparatus
An improved variable volume air controller for use in conjunction with a conditioned air distribution system is disclosed which comprises an insulated lined...
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