51
Donald R May: Apparatus for lifting structures. Sandra L May, Hovey Williams Timmons & Collins, August 8, 1989: US04854782 (24 worldwide citation)

An apparatus for lifting structure is provided which includes a pier and a shoe attached to the base of a structure. A sleeve, which acts as a means to guide the shoe and support the shoe on the pier, is placed on the pier and is adapted to mate with the shoe. In order to lift the structure, a lift ...


52
Clark Julius: Apparatus for aligning pipe ends. Young & Thompson, November 18, 1975: US3920232 (24 worldwide citation)

A pipe end line-up clamp encircles adjacent pipe ends and presses on them at selected points to bring them into alignment so they can be welded together. A frame can be positioned at any selected location about the clamp and pivotally supports the outer end of a hydraulic ram whose inner end carries ...


53
Martin Walch, Joel Wilhelm, Bernard Wattron, Rino Ermacora, Alain Guesdon: Automatic adjusting for lightening a machine working unit: method, device and machine. Kuhn, Oblon Spivak McClelland Maier & Neustadt P C, July 11, 2000: US06085501 (23 worldwide citation)

A method and device for automatically adjusting the lightening of a working unit (U) of a machine by use of a hydraulic ram (57) associated with a hydropneumatic accumulator (67). Use is made of a second hydraulic ram (58) of which the piston (53), which can move as far as a predetermined position ( ...


54
Henning Baatz, Dieter Rittscher, Hans Joachim Lur: Method and apparatus for the packaging of radioactive wastes. GNS Gesellschaft fur Nuklear Service mbH, Karl F Ross, Herbert Dubno, May 20, 1986: US04590000 (23 worldwide citation)

A method of and an apparatus for the packaging of radioactive waste wherein a steel container is placed in a horizontal hydraulic press chamber with the open end of the container turned toward a hydraulic ram, radioactive waste is accumulated ahead of the open end of this container, the ram is advan ...


55
Philip L Lundman: Hydraulic jack and pump usable therewith. Michael Best & Friedrich, April 13, 1993: US05201494 (23 worldwide citation)

A hydraulic jack includes a linkage movable from a first position to a second position for engaging and elevating a load, a hydraulic ram coupled to the linkage for moving the same toward its second position upon the application of fluid pressure, and a pump coupled to the hydraulic ram for applying ...


56
Casey N Work: Brush clearing apparatus for a bulldozer blade. Huebner & Worrel, February 8, 1983: US04372063 (23 worldwide citation)

A brush clearing apparatus for a bulldozer blade having a rake pivotally mounted on the blade for movement about an axis along the upper edge of the blade between an operational position in which the rake engages the bulldozing face of the blade and a retracted position above the blade, a clamp pivo ...


57
Patrick J Crawford: Mobile device for handling material. Wicks & Nemer, April 27, 1982: US04326571 (23 worldwide citation)

A mobile device for handling material of various types including a frame having an endless track mounted on each side thereof for providing mobility to the frame. A source of power in the form of an internal combustion engine is mounted directly on the frame. A turntable is rotatably mounted on the ...


58
Ruffing Charles: Lift device for small equipment. February 4, 1975: US3863890 (23 worldwide citation)

A compact, inexpensive lift device, capable of elevating small equipment (such as a snowmobile) to a convenient working height for servicing or repair, includes a mobile base frame, a lift frame carrying an equipment support platform, a linkage arrangement pivotally connecting the lift frame to the ...


59
Bishop Jerald W: Hydraulic utility lift for trucks. June 6, 1972: US3667631 (23 worldwide citation)

A hydraulic utility lift for pick-up trucks and other vehicles consisting of a frame adapted to be mounted under the rear portion of the truck bed and carrying a lift arm operable to lift a load disposed rearwardly of said truck as said arm is pivoted from a downwardly and rearwardly inclined positi ...


60
Mark Hutchins: Lifting apparatus. Gray Cary Ware & Freidenrich, August 20, 2002: US06435804 (23 worldwide citation)

The disabled person lifting apparatus permits an object, such as a wheelchair user, to be moved between a first position and a second position in which the first and second positions are at different vertical distances. For a vehicle wheelchair lifting apparatus, the first position may a ground leve ...



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