| Patents for B66C 23 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes (16,687) |
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| 11/05/1997 | CN2266584Y Tower crane moment limiting device |
| 10/29/1997 | EP0803467A2 Boom hoist cylinder crane |
| 10/29/1997 | EP0803466A1 Method and device for safety ascending to a cab, in particular on a tower crane |
| 10/23/1997 | DE19615325A1 Maintenance lifting gear for submerged pumps and stirrers |
| 10/22/1997 | EP0802151A1 Boom for a lifting device |
| 10/22/1997 | CN2265362Y Integral scaffolding lifter |
| 10/21/1997 | US5678708 Extendible crane boom |
| 10/21/1997 | US5678707 Mechanism for rotating a crane turret through a 500° arc |
| 10/16/1997 | WO1997037927A1 Apparatus and method for extending and storing jib of crane |
| 10/16/1997 | DE19616167A1 Telescopic boom for crane |
| 10/15/1997 | EP0801022A2 Railway-working machine with a slewing crane |
| 10/15/1997 | CN2264730Y Oil tank of oil motor for oil pressure system |
| 10/14/1997 | US5676471 Dragline with improved thrust bearing assembly supporting upper structure |
| 10/14/1997 | US5676264 Hydraulic boom stop |
| 10/08/1997 | EP0799788A1 Rod-shaped extension body |
| 10/07/1997 | US5673805 Jib pin alignment jack assembly |
| 10/07/1997 | CA2101398C Counterweight installation apparatus and method for truck-mounted lift cranes |
| 10/02/1997 | WO1997036061A1 Counterweight for construction equipment and method of manufacturing same |
| 10/02/1997 | DE19613700A1 Telescopically interlocking machine part, e.g. for excavator or crane |
| 09/30/1997 | US5672044 Free-traveling manipulator with powered tools |
| 09/25/1997 | DE19604123A1 Multi-part manipulator for three-directional manipulation of component |
| 09/18/1997 | DE19709380A1 Crane for installing flat building components, particularly facade components |
| 09/17/1997 | EP0794921A1 Method and appliance for lifting outboard motors |
| 09/17/1997 | CN2262550Y Hand-operated self-falling hanging cage for high-altitude operation |
| 09/17/1997 | CN1159420A Vibration proof device for stacker lifter |
| 09/16/1997 | US5667026 Positioning apparatus for a power tong |
| 09/11/1997 | DE19608505A1 High speed undercarriage for equipment transport |
| 09/10/1997 | EP0794149A2 Offsetting link assembly for folding luffing jib |
| 09/10/1997 | EP0794148A2 A device for guiding a telescopic part for a telescopic boom |
| 09/10/1997 | EP0793616A1 Weight testing apparatus |
| 09/10/1997 | CN2262024Y Foldable truck crane |
| 09/10/1997 | CN2262023Y Crane for disassembling inner climbing tower crane top room |
| 09/09/1997 | US5664692 Mobile crane having a releasable coupling connecting the lower carriage with the upper carriage |
| 09/04/1997 | WO1997031857A1 Articulated telescopic boom having slide-through knuckle |
| 09/04/1997 | WO1997031855A1 Hoisting device |
| 09/04/1997 | WO1997031813A1 Apparatus for locking the movable parts of a variable gauge |
| 09/04/1997 | DE19607703A1 Holder for gripping, lifting and lowering motorcycle wheels |
| 09/03/1997 | CN2261415Y Two-purpose tower with folding arm for lifting and distributing materials |
| 08/28/1997 | WO1997023402A3 Jack-up rig crane |
| 08/27/1997 | EP0735980B1 Improvements in and relating to telescopic booms |
| 08/20/1997 | EP0789665A1 Adjusting means |
| 08/19/1997 | US5657888 Track-bound mobile crane |
| 08/14/1997 | WO1997029038A1 A load control system preferably for hydraulic cranes |
| 08/12/1997 | US5655676 In a crane lattice section |
| 08/07/1997 | WO1997028080A1 Hoist with an elastic cable |
| 08/07/1997 | WO1997028042A2 Device and process for lowering and raising a ships's boat |
| 08/06/1997 | CN1156120A Self-lift step-by-step crane boom |
| 07/31/1997 | WO1997027138A1 Mobile crane |
| 07/31/1997 | DE19603966A1 Mobilkran Mobile Crane |
| 07/31/1997 | CA2244254A1 Mobile crane |
| 07/30/1997 | EP0786431A2 Crane |
| 07/30/1997 | EP0785903A1 Lifting-rotating device for picking up a motor vehicle |
| 07/24/1997 | WO1997026150A1 Transport system particularly for transport of containers and corresponding units |
| 07/24/1997 | DE19601426A1 Patient hoist with adjustable lifting arm |
| 07/23/1997 | EP0785063A1 Manipulator for motor car bodies |
| 07/22/1997 | US5649635 Easily removable sheave assembly |
| 07/09/1997 | CN2257549Y Bidirectional moving tower crane |
| 07/08/1997 | US5645395 Building crane apparatus climbable on building walls |
| 07/08/1997 | US5645181 Method for detecting a crane hook lifting distance |
| 07/08/1997 | US5645180 Floor mounted rotatable jib crane |
| 07/03/1997 | WO1997023402A2 Jack-up rig crane |
| 07/03/1997 | DE19635980A1 Lifting system for use with axially-symmetrical building |
| 07/01/1997 | US5642821 Mobile crane with improved boom construction |
| 06/26/1997 | WO1997022494A1 Vehicle-mounted hoist unit |
| 06/26/1997 | DE19549244A1 Connection for over-lying ring-shaped components esp. for crane carriage and chassis |
| 06/25/1997 | CN1152541A Electric hydrolic operation system capable of telescoping crane arm |
| 06/19/1997 | WO1997021622A1 Lifting device |
| 06/19/1997 | WO1997021621A1 A method and apparatus for raising a load onto a tower |
| 06/19/1997 | DE19546792A1 Resting trestle with lifting device for items mounted on roofs of buildings |
| 06/19/1997 | DE19545433A1 Lifting and displacing device for handling slab-type objects |
| 06/18/1997 | EP0779238A1 Crane truck |
| 06/18/1997 | EP0779237A2 Mobile crane with an overload protection device |
| 06/18/1997 | EP0779236A1 Mobile crane |
| 06/18/1997 | EP0779235A2 Mobil crane with main and auxiliary counterweight assemblies |
| 06/17/1997 | US5638967 Vehicle with a built-on swiveling mast and a frame support |
| 06/05/1997 | WO1997013072A3 Pressure vibration damping in hydraulic systems |
| 06/05/1997 | DE19544732A1 Lifting crane mounted on utility vehicle |
| 06/04/1997 | EP0776404A1 Crane for raising longitudinal bodies, foundation for such a crane and method for raising of longitudinal bodies by means of such a crane |
| 06/04/1997 | CN1151147A Method of and apparatus for extending and storing boom |
| 05/28/1997 | CN1150577A Driving upper set construction elevator |
| 05/27/1997 | US5632395 Telescopic rod |
| 05/27/1997 | US5632391 Weight for a lift-limiting switch |
| 05/15/1997 | DE19541840A1 Mobile hydraulic double crane timber barking machine |
| 05/14/1997 | EP0773183A2 Electro-hydraulic operating system for extensible boom crane |
| 05/13/1997 | US5628416 Traveling crane with telescoping boom |
| 05/09/1997 | WO1997016372A1 Method in a pressure medium system for employing and controlling a lifting boom unit particularly in connection with a work machine |
| 05/09/1997 | WO1997016371A1 Arrangement for a crane |
| 05/07/1997 | EP0771916A1 Temporary frame structure for construction of building |
| 05/06/1997 | US5626013 Circle-crane material handling system |
| 04/29/1997 | US5624046 Telescopic rods for a crane |
| 04/22/1997 | US5622237 Portable hoist system |
| 04/16/1997 | EP0768588A2 Interactive operator console and method for preparation and adjustment of a mobile working apparatus |
| 04/16/1997 | EP0768274A1 Method of and apparatus for extending and storing boom |
| 04/16/1997 | CN1147476A Automatic installing hoisting machine with three-section interhinging side-foldable lift arm |
| 04/10/1997 | WO1997013072A2 Pressure vibration damping in hydraulic systems |
| 04/09/1997 | EP0767135A1 System for controlling and pre-selecting the extension of the single sections which make up a telescopic jib of a crane truck or the like |
| 04/09/1997 | CN2251553Y Slewing stepless speed-regulating device for tower crane |
| 04/09/1997 | CN2251552Y Ingot mold crane |
| 04/08/1997 | US5617963 Apparatus for mounting an appliance at an opening |
| 04/03/1997 | DE19536286A1 Fork lift truck for handling palleted building materials |