Featured patents

Draw-Works for Maneuvering of Drilling Devices
US 08820719 B2, Sept. 2, 2014, Including two or more motors, Stefano Ferrari / Drillmec S.p.A. (Gariga di Podenzano (PC), IT
A draw-works for maneuvering drilling rods comprising:…

Inclined Drum Arrangement for Winch Apparatus
US 08814143 B2, Aug. 26, 2014, Having common drive source or mechanically interlinked drive trains, Andrew Lawson et al. / Parkburn Precision Handling Systems Limited GB
A winch apparatus comprising first and second drum assemblies each defining…

Automatically Extensible Telescopic Apparatus
US 08820713 B2, Sept. 2, 2014, Geared, Han-Ching Huang
An automatic extensible telescopic apparatus including:…

Adjustable Lifting and Stabilization Rescue Strut System With Improved Jack and Strut Engagement Means
US 08814142 B2, Aug. 26, 2014, Adjustable, George Tillotson et al. / Res-Q-Jack, Inc. (Elmira, US)
A telescopic strut system, comprising:…

Modular Lift Assembly
US 08789814 B2, July 29, 2014, Means Supported By, and Maintaining Relative Spacing Between, Longitudinal Runs of an Endless Load Moving Cable, Donald A. Hoffend, Jr. / Daktronics Hoist, Inc. (Brookings, US)
A lift assembly, comprising:…

Decking and Plank Removal Tool
US 08789810 B2, July 29, 2014, Special engaging feature, Benjamin Weinreich
A lever-type decking and plank removal tool for prying deck boards…

Crane Hook Assembly Having a Hook Weight Arrangement
US 08763993 B2, July 1, 2014, Including rotatable, cable contacting, pulley wheel element, Stefan Böhler / Rotzler GmbH + Co. KG (Steinen, DE)
A crane hook assembly for a crane having a rope drum, the crane hook…

Communication Installation Support Tool for Tunnels and Subways
US 08608133 B2, Dec. 17, 2013, Method or Apparatus for Placement of Conductive Wire, Sam Warren et al. / United States Holdings, LLC (Baltimore, US)
Cable installing apparatus for mounting a flexible cable on the wall of a tunnel…

Jack Assembly for Raising and Lowering Vehicles
US 08602392 B2, Dec. 10, 2013, Cable, Hossein Arghami Nia
A jack assembly for raising and lowering vehicles, the assembly comprising:…

Lifting Apparatus
US 08608130 B2, Dec. 17, 2013, Miscellaneous, Ron Robertson et al. / Shinn Fu Corporation (Taipei, TW)
A lifting apparatus, comprising:…

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