Patents
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)
04/1997
04/02/1997CN2250939Y Slip ring current collector for jib slewing gear of mechanical hand of crane going in ring
04/02/1997CN2250938Y Energy saving lifter for drilling machine or production rig
04/01/1997US5615785 In-vehicle device for moving and storing objects
04/01/1997US5615784 Crane counterweight installation and removal apparatus
04/01/1997CA2039837C Clamping device for crane or the like
03/1997
03/27/1997WO1997011022A1 Weight testing apparatus
03/26/1997CN2250345Y hydraulic caterpillar crane and pipe laying machine
03/26/1997CN1146147A Device for handling of object
03/25/1997US5613419 Load balancing arm
03/19/1997EP0715673B1 Large manipulator, especially for self-propelled concrete pumps, and method for operating it
03/12/1997CN2249232Y Size-changeable superlong auxiliary arm device for crane
03/12/1997CN2249231Y Self-adjusting sliding-block device for telescopic arm of crane
03/11/1997US5609260 Derrick structure
03/04/1997US5607071 Crane, especially a track-bound mobile crane
03/04/1997US5606901 Hydraulic circuit for turning purposes
02/1997
02/19/1997CN2247650Y Collapsible tower crane
02/19/1997CN1143353A Method and device for automatically stretching and storing a sub-jib for a crane
02/18/1997US5603239 Gyroscopic virtual counterweight for cranes
02/13/1997WO1997005053A1 Mechanism for rotating a crane turret through a 500° arc
02/12/1997EP0623092B1 Load handling apparatus
02/05/1997EP0756574A1 A device for damping undesirable oscillations in a crane member
02/04/1997US5598935 Frame structure for lift crane machinery
02/04/1997CA2069471C Load sensing device for a boom mounted on a vehicle
01/1997
01/29/1997EP0755895A2 A rotation device for lifting apparatus
01/28/1997US5597081 Portable crane
01/28/1997US5597078 Mobile crane
01/23/1997DE19526296A1 Gantry crane on train wagon
01/23/1997DE19525627A1 Telescoping system with bottom shot and at least two telescopable shots
01/22/1997EP0754646A1 Telescoping system
01/21/1997US5595313 Crane, particularly a track-bound mobile crane
01/15/1997CN1140142A Low profile self propelled aerial work platform
01/08/1997EP0752386A2 Device with a rescue unit
01/08/1997CN2244552Y Internal climbing type tower crane
01/02/1997DE19522092A1 Slide link chain for extension and retraction of thrust member of telescopic jibs
01/01/1997CN1139413A Lifting load and tipping moment detecting device for mobile crane
12/1996
12/27/1996WO1996041764A1 Extendible boom, particularly for cranes
12/27/1996WO1996031430A3 A mechanism for loading and unloading containers onto vehicles
12/27/1996EP0749935A1 Method for controlling a telescopic multi-stage boom as well as the control system for carrying out the method
12/27/1996EP0749925A1 Web carrying apparatus
12/27/1996EP0749921A1 Dolly for transporting, stacking, handling and depositing vertical elements and sheets
12/27/1996EP0749298A1 Device for handling of object
12/25/1996CN2243452Y Safety loading lifter for chest of oil press
12/25/1996CN1138885A Appts. for transferring ready-mixed concrete
12/25/1996CN1033634C Appts. and method for assembly of arm of crane
12/24/1996US5586667 Mobile crane with main and auxiliary counterweight assemblies
12/18/1996CN2242877Y Cantilever lifter of cantilever-beam telescopic system using chain driving
12/18/1996CN1138006A Ballast for crane and corresponding fixed device
12/18/1996CN1138005A Automatic assembling hoisting machine with folding lazy arm
12/17/1996US5584646 Handling apparatus
12/17/1996US5584645 Telescopic boom with a multistage, lockable hydraulic cylinder protected against buckling
12/17/1996US5584356 Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform
12/11/1996EP0747316A2 Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform
12/11/1996EP0747315A1 Method and device for automatically stretching and storing a sub-jib for a crane
12/11/1996CN2242242Y Mechanism-electrical integrated type flexibly braking device for limiting slewing movement of crane
12/11/1996CN1137783A Apparatus and method for controlling operation of reach tower crane
12/11/1996CN1137484A Engineering machinery weight counterbalance block and its manufacturing method
12/10/1996US5582503 Hand cart
12/05/1996DE19607683A1 Mobile crane with demountable upper and lower frame bayonet connection
12/04/1996EP0745528A2 Universal construction apparatus
12/03/1996US5580189 Marine vessel
12/03/1996US5580095 Vehicle body levelling device for a working vehicle having outriggers
12/03/1996CA2108958C Ring segment connection
11/1996
11/27/1996CN2241140Y Safety locking device for gantry crane
11/27/1996CN1136798A Device for extending and storing horizontal boom
11/21/1996WO1996036780A1 Temporary frame structure for construction of building
11/21/1996DE19547696C1 Automatic flow rate changeover system e.g. for hydraulic excavator
11/20/1996EP0743275A2 Method for controlling a multiple telescopic jib and the controlling arrangement for carrying out the method
11/20/1996CN2240516Y Hoisting device for high-building out wall operation
11/20/1996CN1136304A Mobile reach tower crane
11/13/1996CN2239959Y Safety elevator
11/12/1996US5572837 Pneumatic telescoping mast
11/05/1996US5570992 Free-traveling manipulator with optical feedback control and methods
10/1996
10/31/1996WO1996034155A1 Swing device for a revolving upper structure type construction machine
10/30/1996CN2238821Y Self-propelling expansion cargo boom of tower crane
10/30/1996CN2238820Y Pulling device for small vehicle
10/23/1996EP0738651A2 Body structure of industrial device
10/22/1996CA2060846C Detachable crane- or boom-operated heat exchanger tube bundle extractor
10/16/1996CN2237629Y Crane lifter
10/10/1996WO1996031430A2 A mechanism for loading and unloading containers onto vehicles
10/10/1996DE19513644A1 Trailer for overhanging part of crane being towed by tractor
10/10/1996DE19508969A1 Hoist for handling hardtop
10/10/1996CA2216785A1 A mechanism for loading and unloading containers onto vehicles
10/09/1996EP0736480A2 Carbody to crawler connection
10/09/1996EP0735980A1 Improvements in and relating to telescopic booms
10/09/1996CN2237033Y Control arm of crane
10/02/1996EP0734994A1 Counterweight pieces for cranes and fastening device for them
10/02/1996EP0591304B1 Electronic balance control and regulation for lifting gear
10/02/1996DE19525673C1 Level regulation system for hydraulic supports for work platform
10/02/1996DE19512321A1 Height adjustable work platform attached with crane
10/02/1996DE19509292C1 Mobile lift work platform
09/1996
09/25/1996EP0733586A1 Ground support for jib-cranes
09/25/1996EP0733585A2 Loading crane
09/25/1996EP0733584A1 Automatic erection for a crane with a foldable boom
09/25/1996EP0733583A1 Self-erecting crane with laterally foldable jib
09/25/1996EP0733579A1 Apparatus for handling a load
09/25/1996EP0733021A1 Telescopic boom with multistage hydraulic cylinder
09/25/1996CN2235961Y Lifter
09/24/1996US5558037 Semisubmersible vessel with forward-mounted crane
09/24/1996CA2106179C Crane backhitch
09/24/1996CA2078392C Crane upper works to lower works alignment system