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| Patent # | Description |
|---|---|
| US-4,678,402 |
Variable pitch propeller An impulse activated and controlled variable pitch propeller whereby the complete high pressure hydraulic system is incorporated in propeller hub assembly,... |
| US-4,678,401 |
Rotor control system A helicopter rotor control system (13) including a stop azimuth controller (32) for establishing the value of a deceleration command (15') to a deceleration... |
| US-4,678,400 |
Rotary means for use as a heat source This invention relates to rotary means equipped with multistage fans having excellent air suction and discharge effect. The multistage fans are spaced from each... |
| US-4,678,399 |
Resistant components for submersible pump stages A centrifugal submersible pump has wear resistant features to resist erosion due to sand laden fluid from a well. The pump has diffusers and impellers located... |
| US-4,678,398 |
High efficiency transonic mixed-flow compressor method and apparatus Method and apparatus for compression of elastic fluids such as air in a rotary continuous flow process particularly of interest in the turbomachinery field.... |
| US-4,678,397 |
Variable-capacitance radial turbine having swingable tongue member A variable-capacitance radial turbine has a swingable tongue member which is swingably mounted in an inlet throat portion of a scroll fluid passage of the... |
| US-4,678,396 |
Movable spike, variable entrance geometry pipe diffuser with vibration
suppression A movable spike, variable entrance geometry annular pipe-type diffuser has, for prevention and suppression of flow-induced vibrations, a gear assembly for... |
| US-4,678,395 |
Regenerative pump with force equalization The present invention relates to a regenerative pump having a casing with a casing inlet and casing outlet, an impeller disposed on a shaft and containing at... |
| US-4,678,394 |
Fluid current driven machine employing individually self-governing
energy panels The self-governing energy panel is to be used as one of a group of panels designed to collect wind for and govern the speed of the windpowered traveling shaft... |
| US-4,678,393 |
Loading and unloading mechanism An improved device for offering high speed transfer of articles between first, second and third stations. The device includes a pair of gripping devices each of... |
| US-4,678,392 |
Wheel lift for a tow truck A wheel lifting unit for mounting to a tow truck has a base that is carried by the truck under the bed. An extending device will retract and extend the base. A... |
| US-4,678,391 |
Apparatus for converting a transfer truck to a flatbed or the like Apparatus for converting a transfer truck to a flat bed or the like comprising a storage bin for aiding in removal of a truck module, such as a dump box, from a... |
| US-4,678,390 |
Automated self-powered material handling truck An automated handling system intended notably for storehouses in which miscellaneous articles are kept, for allowing either the restocking of the storehouse, or... |
| US-4,678,389 |
Freight vehicle with a convertible cargo space A freight vehicle has a cargo space convertible from that suitable for handling piece goods to that suitable for bulk material. A conventional cargo space for... |
| US-4,678,388 |
Apparatus for counting and collecting paper boards An apparatus for counting and collecting paperboards which counts, by a counting device, at an inlet thereof, the paperboards brought by a conveyor device, heaps... |
| US-4,678,387 |
Signature stacker A stacker having platforms movable along a path by chains. Cam followers on the platforms engage a cam surface which controls the platform path. The chains are... |
| US-4,678,386 |
Thermal sheet binding apparatus and a method for binding of loose sheets
in a folder A sheet binding apparatus, for attaching loose sheets to one or more folders, has a completely automatic binding process after insertion of the folder(s). This... |
| US-4,678,385 |
Fixing peg A fixing peg is provided comprising a body and a bearing washer for fixing an insulating panel. The body is tubular, with a support portion and an anchorage... |
| US-4,678,384 |
Controlled expansion blind fastener design The invention is a blind fastener of the type having a hollow sleeve, spindle, and locking collar. The fastener differs from conventional blind fasteners in that... |
| US-4,678,383 |
Expansion anchor assembly An expansion anchor assembly for use in a bore with an undercut section adjacent the base of the bore, includes an axially elongated expansion sleeve and an... |
| US-4,678,382 |
Machine tool spindle and tool holders suitable for use therewith The machine tool spindle has a cylindrical receiving bore (3) and on its front end a plurality of concentric, annular supporting surfaces (4, 5, 6) which are... |
| US-4,678,381 |
Portable machining turntable A Portable Machining Turntable (PMT) (1) used in combination with a milling, grinding or drilling machine (101) to allow both single and compound angles to be... |
| US-4,678,380 |
Deburring tool A deburring tool for reaming inner and outer diameter end portions of tube and pipe-like workpieces includes a cast housing having an integrally formed conical... |
| US-4,678,379 |
Apparatus for machining a valve's seat Apparatus for machining a stop valve seat ring while the valve remains piped to a turbine comprises a pair of spiders with adjustable arms which fit within the... |
| US-4,678,378 |
Adjustable dual drill assembly An adjustable drillhead suitable for mounting on a dual bit drill gun or press is disclosed. The invention allows for variation of the spacing between two drill... |
| US-4,678,377 |
Dispenser for particulate matter Dispensing of particulate matter such as powder via a gaseous stream is facilitated by placing the powder in an amorphous, manipulable pouch through which the... |
| US-4,678,376 |
Method of constructing means for directing or holding water An economical method of constructing a means suitable for directing, transporting, or holding water based upon the use of an aqueous liquid silicone elastomeric... |
| US-4,678,375 |
Covering or liner system and method for constructing the same A liner or cover system is provided, which can at times have at least a portion of its area exposed to wind and/or ground fluid action and consequent damage, and... |
| US-4,678,374 |
Roof bolt with expansion shell and threaded nut An elongated rod with an expansion shell assembly positioned on the upper end portion thereof is advanced behind a resin cartridge system into a bore hole... |
| US-4,678,373 |
Apparatus for and method of shoring a structure Apparatus for shoring a structure such as a foundation, comprising a support bracket engageable with the foundation, a pile adapted to be driven down into the... |
| US-4,678,372 |
Raising method and device, in particular for an oil exploiting platform This method for raising a platform comprising a platform proper or deck carried by legs bearing on the sea bed comprises: fixing on each of the legs (2) of the... |
| US-4,678,371 |
Burying device for submarine cables and method for guiding the same A device for burying a submarine cable under water by easily and accurately detecting the cable position and a method for guiding the same by utilizing the... |
| US-4,678,370 |
Sewer renovation system A method for lining a sewer pipe incorporate the steps of continuously forming a liner of helically wound strip, the strip having complementary engaging side... |
| US-4,678,369 |
Method and arrangement for sealing off dumps to prevent seepage A method and arrangement for vertically sealing off dumps to prevent the seepage of water therefrom. A sealing wall is produced around the dump area which is to... |
| US-4,678,368 |
Canal covering system and method of installing same A covering system for canals to minimize evaporization loss from water transportation canals. The system comprises a plurality of strips of liquid impervious... |
| US-4,678,367 |
Riser assembly for a sub-surface irrigation and drainage system A riser assembly for a sub-surface irrigation and drainage system is disclosed having a molded, housing defining a generally rectangular, elongated cavity. A... |
| US-4,678,366 |
Boat lift A boat lift includes a vertical H-beam driven into the floor of a body of water adjacent a pier. A shaft housing surrounds the H-beam and slides up and down it... |
| US-4,678,365 |
Material spreader A device for spreading asphalt and other road paving materials is disclosed. The spreader comprises a main body, two separately adjustable wings and various end... |
| US-4,678,364 |
Tractor-drawn forming tool for making concrete slabs on the ground A forming tool made to be drawn by tractor-feeder means of any type. The tool comprises two arms mounted to pivot by their front ends on the tractor-feeder. At... |
| US-4,678,363 |
Pothole patcher and road surfacing device An improved moveable road repair and surfacing vehicle of the type having a frame, an aggregate material hopper mounted on a frame, a container on the vehicle... |
| US-4,678,362 |
Shaft retainer A shaft retainer or support means adapted to encircle a midportion of a shaft without need of axial travel over the shaft end portions includes a body portion... |
| US-4,678,361 |
Shaft connection arrangement A driving connection between spline shafts and spline bore hubs of safety steering columns, where the shaft and the hub, because of prestressing torque existing... |
| US-4,678,360 |
Quick connect/disconnect element for lines A connector element (10) adapted to receive one line (15) at one end (12) thereof and another line (17) at the opposing end (14) thereof. The one line (15) is... |
| US-4,678,359 |
Device comprising a frame of lengths of tube and coupling pieces and
coupling piece for the same A device comprising a frame composed of lengths of tubing and coupling pieces interconnecting the same, coupling piece and coupling piece parts for the same,... |
| US-4,678,358 |
Glass compression seals using low temperature glass A metal housing is provided with lead in members by way of a compression seal using a glass that can be worked below about 480.degree. C. The housing and lead in... |
| US-4,678,357 |
Device for binding holed sheets A device for binding holed sheets or a ring book fastener includes a binding cover elastically supported by supporting elements and receiving a plurality of... |
| US-4,678,356 |
Extendable writing instrument A mechanism for housing a writing or marking cartridge includes means for retaining the cartridge in a retracted position within the housing and means for... |
| US-4,678,355 |
Print tip contact sensor for quiet impact printer An impacting element for an impact printer having a platen, selectable character elements and means for driving the impacting element to impart a printing force... |
| US-4,678,354 |
Typewriter cable tensioning mechanism A typewriter carriage cable snubber which is automatically reset at the time power is turned on is described. The cable is normally tensioned by a mechanism... |
| US-4,678,353 |
Tape supply cartridge A tape supply cartridge for supplying tape and ribbon to a lettering apparatus having a mechanism for creating a lettering force and a mechanism for positioning... |
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