41
David Buck: Back-up power tongs. Robert C Tucker, William David Kiesel, J Bradley Overton, March 17, 1987: US04649777 (115 worldwide citation)

Back-up power tongs are provided, for holding a tubular member, such as a drill pipe, against rotation of a connected tubular member, the back-up tongs comprising a body, having a center opening of sufficient size for the tubular member to pass therethrough, a slot communicating between the edge of ...


42
John Kennedy: Portable led photocuring device. David W Wong, May 30, 1995: US05420768 (114 worldwide citation)

The portable photocuring device has a light emission diodes matrix which can be energized with battery power to provide optical power for photocuring curing purposes. The diodes can be easily controlled and adjusted to emit light of selected colors and intensity with complex instrumentation.


43
Hans Grundei: Forceps for pushing apart vertebrae. S G Implants, Balogh Osann Kramer Dvorak Genova & Traub, February 6, 1990: US04898161 (113 worldwide citation)

Forceps for pushing apart adjacent vertebrae that has two parallel pins connected or connectible to a pair of jaws, one pin being displaceable towards and away from the other pin by the moving of a guide when the jaws are being spread apart, the guide ensuring that the pins remain parallel to one an ...


44
Rizwan Ullah: Tool drive system. Stoneman Law Offices, Martin L Stoneman, Benjamin K Erlick, August 2, 2005: US06923093 (111 worldwide citation)

A tool drive system for transferring rotational power from a rotational tool, such as a drill or ratchet, to at least one input drive shaft which then transfers the power to at least one output drive shaft. The angle of at least one input drive shaft being adjustable relative to at least one output ...


45
George C Sessions, Chuck D Mills, Bradford J Parrish, Douglas R Hutchens: Pocket tool with retractable jaws. Fiskars Oy, Foley & Lardner, May 25, 1993: US05212844 (111 worldwide citation)

The present invention is a combination tool that includes a pair of retractable jaws capable of being moved into an exposed operating position by inertial force using a single hand. The tool includes a single compact unit with, on one end of the handles, pivoted jaws sliding into and out of the hand ...


46
William A Douglas, Theodore Ozer: Universal holding fixture. The Boeing Company, Jones Tullar & Cooper, August 4, 1987: US04684113 (111 worldwide citation)

A universal holding fixture for holding a workpiece having a contoured holding surface. The fixture includes a plurality of workpiece engaging rods which are individually adjustable in height to thereby reproduce the contour of the contoured holding surface. A holding force is generated through the ...


47
Gary R Whitehorne: Metal frame (spring puller). Gary R Whitehorne, March 10, 1987: US04648165 (111 worldwide citation)

A hand held tool for removing springs from a metal picture frame. The tool includes a bent shaft and a U-shaped paddle provided on the end thereof for engaging the spring to be pulled.


48
Israel Avneri, Eyal Duzi, Dvir Keren, Avner Regev: Vacuum chuck having vacuum-nipples wafer support. Applied Materials, Thomason Moser and Patterson, July 10, 2001: US06257564 (109 worldwide citation)

A vacuum chuck is disclosed which has nipples as support structure and for vacuum delivery. In the preferred embodiment, two types of nipples are used: “plain” nipples which provide only support and vacuum nipples which provide support and deliver vacuum to retain the wafer on the chuck. The contact ...


49
William J Barz, Michael J Czaplicki: Structural reinforcements. L & L Products, Dykema Gossett PLLC, October 17, 2000: US06131897 (108 worldwide citation)

A composite structural reinforcement has a keyed reinforcement member in which a thermally expandable resin strip is mechanically retained. The mechanical interlock permits the resin to be secured to the member without heat or an adhesive.


50
James Peter Amis: High-torque resorbable screws. MacroPore, Stout Uxa Buyan and Mullins, August 7, 2001: US06269716 (105 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 ...