1
Ingemar Lundquist: System for filling and inflating and deflating a vascular dilating cathether assembly. Advanced Catheter Systems, Flehr Hohbach Test Albritton & Herbert, June 1, 1982: US04332254 (147 worldwide citation)

A system for filling and subsequently producing inflation and deflation of a balloon-type dilating catheter assembly utilized in performing a percutaneous transluminal coronary angioplasty procedure. Separate primary and secondary fluid pump assemblies are provided for isolating the working pump flu ...


2
Alain P Dorel: Rotary steerable well drilling system utilizing sliding sleeve. Schlumberger Technology Corporation, Steven L Christian, Wayne Kanak, December 12, 2000: US06158529 (133 worldwide citation)

An actively controlled rotary steerable drilling system for directional drilling of wells, the system having a rotary drive component rotatable within a tubular sliding tool collar that incorporates elastic anti-rotation members to maintain a coupled relation with the borehole wall during drilling. ...


3
Daniel G Shaw, Billy M Cline: Well apparatus with tubular elevator tilt and indexing apparatus and methods of their use. Triten Corporation, Vaden Eickenroht Thompson & Boulware, January 31, 1989: US04800968 (131 worldwide citation)

An elevator bail with elongated slots, an elevator tilting assembly and indexing apparatus, and a top drive drilling unit in combination with such devices that are connected to the upper end of a drill string and movable upwardly and downwardly with the drill string along a guide apparatus and that ...


4
Jonathan E Mooring: Safety system for a wood chipper. Charles C Logan, September 16, 1997: US05667152 (127 worldwide citation)

A safety system for a wood chipper having an elongated delivery chute into which a person would load tree branches, limbs and tree trunks. A metal sensor is mounted in the chute intermediate its front and rear ends and is oriented to detect any metal passing through the passageway of the chute. A ga ...


5
Igor Krasnov: Articulated elevator links for top drive drill rig. Hughes Tool Company USA, James E Bradley, December 27, 1988: US04793422 (114 worldwide citation)

An apparatus for a top drive drill rig lifts a stand of the drill pipe into engagement with the drive stem in the derrick. The apparatus includes a set of elevators mounted between the drive head by a link assembly. The link assembly includes two link sections connected together by a swivel joint. A ...


6
Vladimir Radev: Battery changing system for electric battery-powered vehicles. Simmons Rand Company, John J Selko, James R Bell, November 17, 1992: US05163537 (101 worldwide citation)

A battery changing system for electric battery-powered vehicles, particularly for electric battery-powered underground mining vehicles having a main frame and a battery support attached to the main frame, and using several exchangeable batteries, the battery changing system comprising a bellcrank fo ...


7
Gary D Piaget, Trace O Gordon: Treadmill apparatus with dual spring-loaded treads. Salter & Michaelson, May 6, 1997: US05626539 (99 worldwide citation)

A treadmill device includes a frame, and two independent side-by-side treadmills each having a continuous tread and first and second ends. The device further includes link members for supporting the first and second end of the treadmills above the frame. Each of the link members has a first end pivo ...


8
Normand Pronovost, Rejean Pronovost: Bale loading, transporting and unloading trailer. Pierre Lesperance, Francois Martineau, August 2, 1994: US05333981 (97 worldwide citation)

The bale handling farm trailer comprises an elongated chassis, a front bed frame overlying and coextensive with the chassis and having a flooring secured to and extending across the front section of the front bed frame. The rear end of the latter is pivoted to the rear end of the chassis for pivotin ...


9
Gordon K Wiegardt, Thomas W Hanks, Carl E Kittle: Vehicle with control system for raising and lowering implement. Deere & Company, May 21, 1985: US04518044 (96 worldwide citation)

A tractor includes a hitch for pulling a ground-engaging implement. A hydraulic cylinder is extendable and retractable to lower and raise the implement. A control system senses operating parameters, including wheel slip, engine speed, draft force and implement or rackshaft position. Error signals de ...


10
Gideon B Ariel: Exerciser. Pepsico, October 19, 1982: US04354676 (95 worldwide citation)

An exerciser bar is supported for rotation and acts against an hydraulic cylinder with the angle of the bar and the pressure in the cylinder measured and fed to a micro computer which, using this input data, controls the cylinder pressure in accordance with a selected exercise program, the micro com ...



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