51
John O O Boyle: Apparatus and method for retaining a semiconductor wafer during testing. National Semiconductor Corporation, Limbach & Limbach L, March 16, 1999: US05883522 (105 worldwide citation)

A retaining apparatus for retaining a semiconductor wafer on the surface of a chuck. The retaining apparatus includes elongate shafts each positioned adjacent to a perimeter of the surface of the chuck and so that a lengthwise axis of each shaft is substantially perpendicular to the surface of the c ...


52
Darrell L Vincent, Larry W Vincent: Monitoring torque in tubular goods. Tubular Make Up Specialists, Pravel Gambrell Hewitt & Kimball, April 19, 1988: US04738145 (100 worldwide citation)

The torque imposed on premium thread connections between tubular goods is monitored and plotted as a function of time rather than the number of turns. In this manner, the torque at which "shoulder", either by metal-to-metal sealing contact or otherwise, is achieved during make-up of the premium conn ...


53
James Peter Amis: High-torque resorbable screws. MacroPore, Stout Uxa Buyan & Mullins, February 5, 2002: US06343531 (98 worldwide citation)

A high-torque fastener having a threaded shaft and a star-shaped head is disclosed. The high-torque fastener is made of a resorbable or other non-magnetic material. A mating driver snugly fits around the star-shaped head of the fastener, to thereby apply torque to the perimeter of the star-shaped he ...


54
Ewald Stihl: Screwdriver. Karl Storz & Co KG, St Onge Steward Johnston & Reens, February 20, 2001: US06189422 (98 worldwide citation)

A screwdriver for introducing and screwing a screw into the human or animal body and/or for unscrewing and removing a screw from the human or animal body has a handle and a shaft whose front end has a blade that can be brought into engagement with a screw head of the screw for screwing the screw. Th ...


55
Michio Okumura, Takefumi Furuta, Takao Kuroyanagi, Hidenori Ito: Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus. Makita Corporation, McGinn & Gibb P C, November 7, 2000: US06142242 (97 worldwide citation)

A pair of stoppers (47) capable of moving back and forth in an axial direction of a spindle (5) are provided on an outer periphery of a tubular portion (9a) for supporting the spindle (5). As a pair of projections (49) provided on a first change ring (32) are moved in conjunction with the rotation o ...


56
Chia Yuan Hsiao: Bicycle pedal crank dismantling device. Morton J Rosenberg, David I Klein, June 14, 1994: US05320005 (96 worldwide citation)

A bicycle pedal crank dismantling device includes a locating member which comprises an inner thread through the length, an outer thread on one end for threading into the axle mounting hole of the crank to be dismantled, and a hexagon head on an opposite end; a driving rod which comprises a screw rod ...


57
John H Blanz: Test station having vibrationally stabilized X, Y and Z movable integrated circuit receiving support. John H Blanz Company, Weingarten Schurgin Gagnebin & Hayes, November 3, 1992: US05160883 (96 worldwide citation)

ATE is mounted directly to a support surrounding and removably receiving probe cards of differing thickness. An electrically heated chuck having a variable heat transfer coefficient heat exchanging face confronting a liquid nitrogen supplied plenum exhibits a temperature that varies with electrical ...


58
Arnold Stokka: Mechanism for connecting and disconnecting tubulars. Weatherford Lamb, Guy McClung, November 24, 1998: US05839330 (94 worldwide citation)

A top drive is used to connect successive lengths of casing. The casing is gripped by a mechanism which comprises a support which is attached to the top drive by a drive plate. A circular plate is rotatably mounted in the support and is associated with four jaw assemblies. In use the mechanism is lo ...


59
Brett P Seber, Randolph J Morton, Gabriel Alejandro Draguicevich, Roy L Helton Jr, Gregory F Rubin: Hand tool with multiple locking blades controlled by a single locking mechanism and release. Buck Knives, Gregory Garmong, June 16, 1998: US05765247 (94 worldwide citation)

A hand tool such as a knife or a combination tool includes multiple blades, each independently rotatable on a common axle between a closed position within a handle of the tool and an open position extending from the handle. Each blade is positively but releasably locked into its open position. Those ...


60
Paul A Davignon: Needle for use in the rodless dispensing of plastic fasteners. Avery Dennison Corporation, Kriegsman & Kriegsman, December 31, 1996: US05588575 (94 worldwide citation)

Needle for use in the rodless dispensing of plastic fasteners of the type comprises a flexible filament and a cross-bar disposed at one end of the flexible filament. In one embodiment, the needle comprises a solid elongated member terminating at its front end in a tip adapted to penetrate a desired ...