Featured patents

Lattice Piece and Crane
US 08839969 B2, Sept. 23, 2014, Collapsible or foldable boom, Hans-Dieter Willim / Liebherr-Werk Ehingen GmbH (Ehingen/Donau, DE)
A lattice piece for a crane, comprising:…

Bridge Crane or Gantry Crane Comprising a Revolving Arrangement and Lifting Frames Suspended Thereunder
US 08800791 B2, Aug. 12, 2014, Having load engager mounted for guided vertical movement beneath trolley, Armin Wieschemann et al. / Gottwald Port Technology GmbH (Düsseldorf, DE)
A bridge crane or gantry crane for handling standard load carriers, said crane…

Mobile Crane
US 08777027 B2, July 15, 2014, Having Random Condition Sensor Combined With an Indicator or Alarm or Controlling Means or Disabling Means, Erwin Morath / Liebherr-Werk Ehingen GmbH (Ehingen/Donau, DE)
A mobile crane comprising:…

Crane With Boom Raising Assist Structure
US 08684197 B2, April 1, 2014, Having means to swing boom vertically, Joseph R. Rucinski et al. / Manitowoc Crane Companies, LLC (Manitowoc, US)
A lift crane comprising:…

Crane
US 08678208 B2, March 25, 2014, Antisway, Yggve Richter / Liebherr-Werk Ehingen GmbH (Ehingen/Donau, DE)
A crane (10) having a load hook (20) fastened directly/indirectly to a crane…

Lifting Device for Replacing Dynamic or Static Components of Helicopter-Type Aircraft
US 08695817 B2, April 15, 2014, Electric, Dominik Vogel / Airbus Helicopters Deutschland GmbH (Donawoerth, DE)
A lifting device for replacing dynamic or static components of helicopter-type…

Drum Tensioning Method and Apparatus for Load Hoist Wire Rope
US 08640895 B2, Feb. 4, 2014, Having Random Condition Sensor Combined With an Indicator or Alarm or Controlling Means or Disabling Means, Terry S. Casavant et al. / Manitowoc Crane Companies, LLC (Manitowoc, US)
A method of operating a crane having a continuously reeved load hoist line,…

Boom Hoist Transportation System and Crane Using Same
US 08622228 B2, Jan. 7, 2014, Of traversing hoist from support, Robert J. Walker et al. / Manitowoc Crane Companies, LLC (Manitowoc, US)
A method of disassembling and transporting a mobile lift crane, the lift crane…

Swing Drive System for Cranes
US 08573419 B2, Nov. 5, 2013, Gear drive, Alan E. Pleuss et al. / Manitowoc Crane Companies, LLC (Manitowoc, US)
A crane comprising i) a lower structure comprising ground engaging members; ii)…

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:…

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