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Patent # Description
US-4,536,137 Submergible pumping apparatus
Submergible pumping apparatus for use in an oil or other well comprises, in a self-contained downhole unit, a double-acting reciprocating positive displacement...
US-4,536,136 Film-made pump driven by the filling effect of a fluid on filling into a chamber made of film
A method and apparatus advantageously using the shapeless and flowing characteristics of a fluid. The fluid is contained with a suitable film chamber having a...
US-4,536,135 High pressure liquid piston pump
A piston and a cylinder within a pump housing cooperate with the inner walls of the housing to form a high-pressure reservoir surrounding the cylinder to provide...
US-4,536,134 Piston seal access apparatus
A chemical pump includes an access sleeve positioned between a hydraulic driving cylinder and the chemical injection cylinder with a rod coupled between the...
US-4,536,133 Regulatable vane pump
A regulatable vane pump is provided with regulating apparatus incorporated in the pump having a differential pressure piston operable responsive to booster...
US-4,536,132 Gas compressor
A gas compressor drivably connected to an engine operates to supply compressed gas to a tank. The compressor has a housing including a commercial air cooled...
US-4,536,131 Apparatus for continuous pressure feeding of slurry
Slurry consisting of water and solid material is fed to fill a plurality of supply chambers arranged in parallel to each other, by the action of slurry pump. The...
US-4,536,130 Simplified unloader indicator for helical screw rotary compressor
The shaft coupling a reciprocating piston of a fluid motor to a slide valve shiftable longitudinally along a screw compressor housing and varying the amount of...
US-4,536,129 Turbine blade with disk rim shield
In a gas turbine engine the turbine blade has protective flanges closely overlying the rim of the rotor to shield the rotor from the hot power gases and to form...
US-4,536,128 Barrel housing for centrifugal fluid machines
The barrel housing of a multistage centrifugal pump has an elongated cylindrical main section and a discrete annular section which is inserted into one end...
US-4,536,127 Turbocompressor provided with an abradable coating
An improvement for a turbocompressor having a rotor, a stator and a casing, and an abradable coating provided between the rotor blades and the casing, or between...
US-4,536,126 System and method employing a digital computer for automatically synchronizing a gas turbine or other electric...
A gas turbine power plant is provided with an industrial gas turbine which drives a rotating brushless exciter generator coupled to a power system through a...
US-4,536,125 Wind lift generator
A wind lift generator includes a housing structure formed by a pair of spaced apart plates mounted on support structure for pivotal rotation about a vertical...
US-4,536,124 Revolving-ladle turret for continuous casting steel plants
A revolving-ladle turret having a turret member furnished with a pair of ladle-carrying arms, mounted on a platform which rotates about a vertical axis. The...
US-4,536,123 Hand truck apparatus for elevating and transporting an object
The present invention relates to a hand truck apparatus which is designed for transporting large cylindrical objects such as compressed gas storage tanks, for...
US-4,536,122 Wafer transfer device
A device for transferring semiconductor wafers from a first wafer carrier to a second wafer carrier with each wafer carrier having a pair of grooved sides for...
US-4,536,121 Divided rotary valve feeder
A divided rotary valve feeder includes an inlet conduit, an outlet divided into a plurality of passages by webs, and rotor mounted between the inlet conduit and...
US-4,536,120 Feeding means for feeding solid fuel from a storage silo or equivalent into a solid fuel heating boiler
The invention concerns an apparatus for feeding solid fuel from a storage silo or equivalent to a solid fuel-using heating boiler. The feeding apparatus...
US-4,536,119 Palletizing apparatus with layer level detecting means
An improved palletizing apparatus sequentially loads a plurality of layers of bundles of newspapers onto a pallet. The apparatus includes a layer position and...
US-4,536,118 Apparatus for palletizing pressings
Apparatus for palletizing the pressings being delivered in succession by a transfer press system either individually or in closely positioned pairs. Included are...
US-4,536,117 Screw fastener
A self-tapping screw fastener for driving into a workpiece. The self-tapping screw fastener includes a generally cylindrical shank having an entering end and a...
US-4,536,116 Composite molded plastic article
A composite molded plastic article includes a metal nut insert adapted to be molded in place within the body of plastic material. The nut insert is adapted to be...
US-4,536,115 Anchor apparatus for insertion into a pre-formed hole
The disclosure herein includes an apparatus and method for positioning an anchoring device in the form of a coil in a pre-drilled hole for firmly engaging a lag...
US-4,536,114 Variable length strut with longitudinal compliance and locking capability
A variable length strut device (A) is illustrated for connecting two associated structures which includes an outer load bearing shell (B), a drive assembly (C),...
US-4,536,113 Automatic jaw control for reversible power tool
In a reversible power tool, such as an electric drill, a clutch mechanism is coupled to selectively connect and disconnect a chuck jaw reciprocating means to...
US-4,536,112 Protection device against overloads in a machine
The invention relates to an overload protection device for a machine tool, in which a carriage carried on the machine bed is displaceable, between the tailstock...
US-4,536,111 Machine tool having numerically controlled adjustable arbor set up for straddle milling
A machine tool having a numerically controlled adjustable arbor for facilitating different straddle milling operations on random workpieces without the need for...
US-4,536,110 Self centering quick-change cutting tool assembly
A tool mounting assembly for a gear hobbing machine is disclosed as being mounted between a drive spindle and an outboard bearing support in axial alignment with...
US-4,536,109 Drill chuck for percussion drilling
A drill chuck usable in a drilling device capable of rotary or rotary-percussion drilling, includes radially adjustable clamping jaws with the clamping surfaces...
US-4,536,108 Flexible microdrill
The flute terminus or carry out of a microdrill is located spaced from cross-sectional changes of the drill and away from such areas of stress concentration and...
US-4,536,107 Drill bit
A self-feeding, self-aligning drill bit includes a working end with a cylindrical portion having a desired cutting diameter and a conical threaded portion...
US-4,536,106 Heavy duty hob
A heavy-duty hob for hobbing gears comprises a cylindrical body formed in its peripheral surface with generally axially extending grooves, and tooth-carrying...
US-4,536,105 Pipe divider for pipes conveying solids or dispersions
Disclosed is a pipe divider for pipes used to convey solids of small particle size or dispersions, constructed such that a feed pipe leads into a distributor...
US-4,536,104 Pipe divider for pipes conveying solids
Disclosed is a pipe divider for use in pipes intended for conveying solids of small particle size, constructed in such a way that a feed pipe leads into a...
US-4,536,103 Adjustable manhole frame and method of construction and installation
An adjustable cast iron or ductile iron manhole frame and method of construction utilizing a formed concrete base or a base of brick and cement mortar that...
US-4,536,102 Bar or rod or tube frame multi-position assembly clamp
A bar or rod or tube clamp-type connector for assembling a frame to be covered by a woven fabric or tarpaulin or plastic film or sheet wherein the clamp-type...
US-4,536,101 Connector device
A connector device for connecting a rectilinear member to a second member or surface in a spaced or overlapping relation is provided in the form of a bracket of...
US-4,536,100 Part to be assembled and sub-assembly comprising said part and a nut
The part comprises a hole surrounded by a boss having an end surface perpendicular to its side surface. The nut comprises a threaded screwing cap connected to...
US-4,536,099 Writing instrument with ball point and two reservoirs
A ball-point writing instrument in which dislodging of the rotating ball as a result of accidental droppage on a hard surface is prevented by employing an ink...
US-4,536,098 Self-regulating ribbon re-inking device
A ribbon cartridge has a ribbon re-inking mechanism which is made up of a porous rubber or elastomer ink roll journaled on a fixed shaft and in contact with an...
US-4,536,097 Piezoelectrically operated print head with channel matrix and method of manufacture
A mechanically stable, piezoelectric print head for an ink jet printer has ink channels formed by a channel matrix that consists of a row of piezoelectric strips...
US-4,536,096 Print head carriage mechanism including a drive belt
A print head carriage assembly is provided which is especially suitable for use in a thermal dot matrix character printer. The assembly includes a belt, which in...
US-4,536,095 Crown setting switch for a wristwatch
A crown switch actuator in a solid state analog wristwatch rotates in either direction and is movable axially. The actuator stem has a flat portion which...
US-4,536,094 Belt buckle
A belt buckle with a watch unit is disclosed. The buckle comprises a dressed plate, a lock fitting secured to one edge of the dressed plate at the rear side...
US-4,536,093 Electronic timepiece with system for synchronizing hands
An electronic timepiece having hands incorporates a correction system whereby the user can rapidly and easily check that the operations of the hands are...
US-4,536,092 Mixing device
There is provided a mixing device for low velocity and low shear mixing. The device is of special value for mixing of delicate materials, such as cell...
US-4,536,091 Absorbance monitor
To reduce noise in an absorbance monitor in which the light source is a feedback controlled deuterium lamp, a mirror focuses light from a part of the central...
US-4,536,090 Optical multi-beam gas measuring apparatus
An optical multi-beam gas measuring apparatus is intended for detecting specific content in a gas of extraneous gases which absorb the same wavelength of the...
US-4,536,089 Analyzer for coherent radiation
Apparatus for detecting the existance of a source of coherent radiation in the presence of incoherent radiation. A beam splitter splits the radiation into two...
US-4,536,088 Polarimetric Fabry-Perot sensor
A polarimetric Fabry-Perot sensor comprising a source of coherent polarized light, an optical cavity, preferably an optical fiber, capable of supporting two...
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