| 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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| 11/03/1982 | EP0063709A1 Automatic tilt correction device for an extensible turntable ladder or a similar lifting arm on a vehicle |
| 11/02/1982 | CA1134967A1 Loading detector for block etackle systems |
| 11/02/1982 | CA1134950A1 Crane operating aid and sensor arrangement therefor |
| 10/19/1982 | US4354703 Method of and apparatus for transporting articles |
| 10/19/1982 | US4354607 Crane for heavy lifting with an erection column for the main jib |
| 10/19/1982 | US4354606 Bearing assembly for a pedestal crane |
| 10/12/1982 | US4353471 Apparatus for and method for lifting large objects |
| 10/05/1982 | US4352434 Pendant supported hydraulic extensible boom |
| 09/29/1982 | EP0061047A1 Process and device for piling agricultural products, such as roughage and silage in agricultural buildings up to the framework of the roof |
| 09/28/1982 | US4351135 Length-adjustable structural unit |
| 09/28/1982 | CA1132529A1 Combined bumper, jack and hoist |
| 09/21/1982 | US4350255 Telescoping mobile crane |
| 09/15/1982 | EP0059901A1 Microprocessor-controlled device for a rotatable, extendable ladder or similar lifting arm |
| 09/14/1982 | US4349115 Crane |
| 09/01/1982 | EP0058671A1 Force-moment compensating apparatus. |
| 08/31/1982 | US4346539 Lattice beam-columns |
| 08/31/1982 | CA1130530A2 Drill stem guide assembly for rotary blast hole drills |
| 08/24/1982 | US4345539 Warning system with pneumatic function generator |
| 08/24/1982 | CA1130243A1 Fail-safe stop arrangement for crane boom extension cable |
| 08/17/1982 | US4344497 Override control for axle locking apparatus of mobile crane |
| 08/10/1982 | US4343458 Supports of boom end sheaves or similar for a lifting and/or handling machine |
| 07/28/1982 | EP0056769A2 Material handling apparatus having a removable counterweight |
| 07/27/1982 | US4341315 Marine derrick arrangement |
| 07/22/1982 | WO1982002378A1 Device for hoisting a load,particularly rolled up carpets in the upper storeys of a building |
| 07/13/1982 | EP0043380A4 Segmented extendible boom. |
| 07/06/1982 | US4337925 Hitch and snatch boom assembly |
| 07/06/1982 | US4337868 Telescopic crane boom having rotatable extend/retract screws |
| 07/06/1982 | US4337867 Curane boom pivot structure |
| 07/06/1982 | US4337601 High-strength light-weight boom section for telescopic crane boom |
| 06/30/1982 | EP0055247A2 Loading crane |
| 06/29/1982 | US4336889 Ring supported truck crane and method of setting up |
| 06/29/1982 | US4336720 Load sensing system |
| 06/15/1982 | US4334668 Portable foldable hoist |
| 06/08/1982 | CA1125191A1 Lift |
| 06/01/1982 | US4332328 Mobile crane |
| 06/01/1982 | US4332094 Hydraulic locking of the boom to the swivel arm of an excavator, crane or the like |
| 05/25/1982 | US4331343 Wheel construction and arrangement |
| 05/11/1982 | US4329104 Cargo handling apparatus |
| 05/04/1982 | US4327533 Crane boom extending, retracting and cooperative latching arrangement |
| 04/27/1982 | US4326346 Crane for a towing suction device for a dredging craft |
| 04/27/1982 | CA1122709A1 Crane operation aid |
| 04/20/1982 | USRE30905 Multi-section telescopic boom |
| 04/07/1982 | EP0049001A1 Hoisting device, in particular floating derrick |
| 04/06/1982 | CA1121314A1 Agri-winch |
| 04/06/1982 | CA1121312A2 Heavy duty crane |
| 03/30/1982 | CA1120899A1 Hatch cover crane |
| 03/24/1982 | EP0048076A1 Mobile crane structure |
| 03/18/1982 | WO1982000815A1 Force-moment compensating apparatus |
| 03/16/1982 | CA1120077A1 Main frame construction for vehicles |
| 03/09/1982 | US4318488 Method of extending a jib of a telescopic crane |
| 03/02/1982 | US4317634 Machine |
| 03/02/1982 | CA1119129A2 Multi-section lifting boom |
| 02/23/1982 | US4316548 Concentric ring segment supported lift crane |
| 02/09/1982 | CA1117908A1 Quick disconnect bearing mount for construction machinery |
| 01/26/1982 | CA1117075A1 Industrial crane |
| 01/20/1982 | EP0043831A1 Loading installation, comprising a loading boom which can be swung through between two king posts. |
| 01/13/1982 | EP0043380A1 Segmented extendible boom. |
| 01/13/1982 | EP0043376A1 A vehicle comprising one or more stabilizing ground supports. |
| 01/12/1982 | US4310098 Portable boom structure |
| 01/12/1982 | CA1116048A1 Electrohydraulic outrigger control system |
| 12/15/1981 | US4305572 Return assembly for a swivable sheave |
| 12/15/1981 | CA1114527A1 Counterbalancing mechanism for x-ray tubeheads |
| 12/15/1981 | CA1114334A1 Couterbalanced tower crane |
| 12/01/1981 | US4303166 Horizontal slewing crane |
| 12/01/1981 | US4303165 Crane with telescopic jibs |
| 12/01/1981 | US4303164 Structure for damping the oscillation of building cranes |
| 11/25/1981 | EP0040387A2 Crane |
| 11/17/1981 | US4300751 Foldable and height adjustable overhead lift |
| 11/12/1981 | WO1981003165A1 Boom turning control device for hydraulic drive type crane |
| 11/11/1981 | EP0039529A2 Crane |
| 11/10/1981 | US4300134 Automatic resetting anti 2-block crane warning system |
| 11/03/1981 | US4298128 Movable support for rotatable extend/retract screw in telescopic crane boom |
| 11/03/1981 | US4297961 Outrigger-stabilized floating crane system |
| 11/03/1981 | CA1111806A1 Material handling apparatus for use in a mine |
| 10/27/1981 | US4296867 Device for locking slewing portion of cargo crane |
| 10/20/1981 | US4295661 Latching mechanism for machine stabilizer arms using hydraulic cylinders |
| 10/13/1981 | US4294495 Boom sockets |
| 10/13/1981 | US4294188 Hydraulically operated access equipment |
| 10/13/1981 | US4294176 Portable hoist frame |
| 10/07/1981 | EP0037348A2 Safety device for hydraulically operated lifting device |
| 10/06/1981 | US4293269 Conversion or extension beam |
| 10/06/1981 | US4293265 Hydraulically operated hoisting apparatus for a ship for picking floating objects up out of the sea |
| 09/22/1981 | US4290731 Apparatus for picking up overturned vehicles |
| 09/22/1981 | CA1109425A1 Crane |
| 09/22/1981 | CA1109424A1 Weld joint hardbar main frame |
| 09/22/1981 | CA1109423A1 Adjustable double link mounting |
| 09/16/1981 | EP0035809A1 Load indicating arrangement |
| 09/02/1981 | EP0034672A1 Column mounted crane |
| 09/01/1981 | US4286803 Stabilizer assembly |
| 09/01/1981 | US4286720 Counterweight removal system and method |
| 08/25/1981 | US4285629 Fire fighting boom assembly for service vessel |
| 08/11/1981 | CA1106830A1 Vehicle stabilizer |
| 08/06/1981 | WO1981002152A1 Loading installation for warehouse,comprising a loading boom which can be articulated between two stanchions |
| 08/05/1981 | EP0033165A2 Supporting arm for mobile constructions |
| 08/05/1981 | EP0033060A1 Balancing system for parts of cranes and the load |
| 07/28/1981 | US4280628 Anti-two block system |
| 07/28/1981 | US4280627 Heavy-duty crane with counterweight |
| 07/23/1981 | WO1981002036A1 Segmented extendible boom |
| 07/23/1981 | WO1981001986A1 A vehicle comprising one or more stabilizing ground supports |
| 07/21/1981 | US4279348 Adjustable double link mounting |