Featured patents

Gantry With Suspending Links
US 08833574 B2, Sept. 16, 2014, Having vertical supporting legs, Stephen Edward Sparrow / Stephen Edward Sparrow (Spring, US)
A hydraulic gantry system for lifting and moving a load, comprising:…

Hoisting Crane and Offshore Vessel
US 08783478 B2, July 22, 2014, Having horizontally and vertically swinging boom, Joop Roodenburg / Itrec B.V. (Schiedam, NL)
A Hoisting crane comprising:…

Guide Cabling Arrangement for a Crane
US 08794457 B2, Aug. 5, 2014, By triangulation of load cables, Yggve Richter / Liebherr-Werk Ehingen GmbH (Ehingen/Donau, DE)
A crane for taking up a load, wherein…

Kingpost Crane Apparatus and Method
US 08863966 B2, Oct. 21, 2014, Vertically swinging boom having pivoted sections, Mark Bobeck / Dynaking Crane, LLC (Houston, US)
An improved knuckle boom crane apparatus, comprising:…

Crane Jib Transition Structure
US 08777026 B2, July 15, 2014, Of boom sections, Mingqi Li et al. / Hunan Sany Intelligent Control Equipment Co., Ltd. (Changsha, CN)
A crane jib transition structure, including a jib section, a transition section…

Upright Support for Gantry
US 08739990 B2, June 3, 2014, Having vertical supporting legs, Paul Radmall
A gantry comprising two side frames connected by a beam, wherein at least one…

Crane and Method for Erecting the Crane
US 08720709 B2, May 13, 2014, Extensible tower of relatively sliding sections, Hans-Dieter Willim / Liebherr-Werk Ehingen GmbH (Ehingen/Donau, DE)
A method for telescoping a main boom including a telescopic boom, which is guyed…

Method of Controlling Rotation Speed of Motor of Speed-Controllable Hoist Drive, and Hoist Drive
US 08651301 B2, Feb. 18, 2014, With Motor Control, Janne Salomäki et al. / Konecranes PLC (Hyvinkaa, FI)
A method of controlling a rotation speed of a motor of a speed-controllable hoist…

Mobile Crane Having Counterweight
US 08528755 B2, Sept. 10, 2013, Counterweight movable relative to load support, Hitoshi Kurotsu / Kobelco Cranes Co., Ltd. (Tokyo, JP)
A mobile crane comprising:…

Connection System for Crane Boom Segments
US 08534474 B2, Sept. 17, 2013, Of boom sections, Robert J. Walker et al. / Manitowoc Crane Companies, LLC (Manitowoc, US)
A crane having an upper works rotatably mounted on a lower works, the upper…

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