| 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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| 09/15/1988 | DE3707005A1 Stationary lift for patients |
| 09/15/1988 | DE3706551A1 Protective circuit covering the entry region for the rocker cylinders connected in parallel of crane jibs and the like |
| 09/13/1988 | US4770304 Mobile engine hoist and rebuild stand assembly |
| 09/13/1988 | US4770271 Transportable, articulated-arm crane |
| 08/31/1988 | EP0187772B1 Monitoring and control system for jib-cranes |
| 08/30/1988 | CA1241304A1 Circuitry for operating an extendable boom and service line |
| 08/17/1988 | CN87210446U Small force moment limiter |
| 08/09/1988 | US4762456 Accommodations to exchange containers between vessels |
| 08/09/1988 | CA1240290A1 Super size crane |
| 08/02/1988 | CA1239989A1 Apparatus for detecting power lines |
| 07/26/1988 | US4759452 Articulated load bearing wear pad assembly |
| 07/13/1988 | EP0273955A1 Two-stage hydraulic telescopic jack. |
| 07/13/1988 | CN87213420U Small hoist machine for domestic use on balcony of high buildings |
| 07/12/1988 | CA1239171A1 Material hoisting gin |
| 07/05/1988 | CA1238880A1 Articulation for tower crane boom that has a parking position |
| 06/30/1988 | DE3735045A1 Abstuetzung fuer krane, insbesondere eisenbahndrehkrane Abstuetzung for cranes, especially railroad rotating cranes |
| 06/30/1988 | DE3711472A1 Speed regulation in double-link level luffing cranes |
| 06/21/1988 | US4752012 Crane control means employing load sensing devices |
| 06/16/1988 | WO1988004277A1 A lifting arrangement, a so-called hoist, which can be mounted on a vehicle |
| 06/16/1988 | DE3641985A1 Process for mounting or exchanging panels on facades |
| 06/16/1988 | DE3641802A1 Drive for a swivel arm, in particular robot arm |
| 06/08/1988 | CN87208440U Multiple-functional movable electric lifter for hoisting, pressing and lifting |
| 06/07/1988 | US4749324 Apparatus for lifting and positioning construction material |
| 06/07/1988 | CA1237698A1 Crane with outboard counterweight carrier |
| 06/01/1988 | DE3639709A1 Mobile crane |
| 05/25/1988 | CN87211069U Domestic lifter |
| 05/10/1988 | US4743893 Equi crane anti-tipping device |
| 05/05/1988 | DE3730807A1 Transfer hoist |
| 04/27/1988 | EP0264759A1 Outrigger device for mobile cranes or the like |
| 04/27/1988 | CN87212104U Railway crane van |
| 04/21/1988 | DE3713152C1 Box-type telescoping crane jib |
| 04/19/1988 | CA1235393A1 Load-handling apparatus for a vehicle |
| 04/12/1988 | CA1235075A1 Hydraulic crane aerial platform attachment |
| 04/07/1988 | DE3728292A1 Ground support for vehicles, in particular for cranes |
| 03/30/1988 | EP0261367A2 Mobile elevator |
| 03/29/1988 | US4733598 Telescopic jib |
| 03/23/1988 | EP0260362A1 Improvements in cranes |
| 03/22/1988 | US4732286 Crane with overload sensor |
| 03/22/1988 | US4731916 Method of removal of outrigger box on cranes |
| 03/16/1988 | EP0260112A2 Demountable crane structure |
| 03/10/1988 | WO1988001670A1 Window installation |
| 03/10/1988 | WO1988001600A1 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
| 03/09/1988 | CN87201473U Pulley jib |
| 03/08/1988 | US4729486 Lift enhancing beam attachment with movable counterweights |
| 03/01/1988 | US4727995 Crane with pivotal boom |
| 02/25/1988 | DE3715406A1 Trainingsvorrichtung Training device |
| 02/25/1988 | DE3631996A1 Mobile outrigger for performing lifting, loading, and transporting operations, etc. |
| 02/25/1988 | DE3628110A1 Transport device arranged on the roof of a house |
| 02/18/1988 | DE3627788A1 Slewing brake |
| 02/18/1988 | DE3626989A1 Supporting device for stabilising track-laying vehicles |
| 02/16/1988 | US4724970 Compensating device for a crane hook |
| 02/10/1988 | CN87201631U Domestic small-sized hoisting equipment |
| 02/10/1988 | CN86206778U Self-lifting and self-driving floor crane |
| 02/09/1988 | US4723667 Chassis of a heavy road vehicle particularly a multiaxle mobile crane |
| 01/27/1988 | EP0254510A1 Extension jib for a boom |
| 01/20/1988 | CN87101682A Umbrella-type crane having the adjustable top towing rope |
| 01/14/1988 | WO1988000296A1 Two-stage hydraulic telescopic jack |
| 01/12/1988 | US4718564 Portable construction hoist |
| 01/07/1988 | DE3720881A1 Lifting unit for agricultural commercial vehicles |
| 01/05/1988 | US4716729 Hydraulic drive system for a counterweight dolly in counterbalance type crane |
| 01/05/1988 | US4716728 Hydraulic drive system for counterweight dolly in counterbalance type crane |
| 12/30/1987 | CN87206549U Column crane with chassis being able to indicate quantitatively the level degree thereof |
| 12/30/1987 | CN87206292U Supporting device mounted on jib of crane |
| 12/29/1987 | US4715770 Power lift for a lifting device |
| 12/23/1987 | DE3620382A1 Swing crane |
| 12/22/1987 | US4714393 Panel laying machine |
| 12/17/1987 | DE3626621C1 Arrangement for the emergency operation of supporting systems |
| 12/15/1987 | US4712962 Articulated boom mechanism for unloading bulk solid material from a ship |
| 12/15/1987 | US4712697 Lightweight tower crane boom for conveying pumped concrete |
| 12/08/1987 | US4711428 Hydraulic leveling device |
| 12/08/1987 | US4711358 Counterbalancing type crane |
| 12/01/1987 | US4710884 Device for compensating for deflection in a pliable positioning apparatus |
| 12/01/1987 | US4710090 Hydraulic hoist particularly for mounting on pick-up truck beds or the like |
| 11/26/1987 | DE3617080A1 Multi-stage hydraulic piston/cylinder unit |
| 11/25/1987 | EP0246664A2 Stepless speed change electric chain block |
| 11/24/1987 | US4708251 Method and apparatus for removing a crashed aircraft |
| 11/17/1987 | US4706939 Fire hydrant hoist |
| 11/17/1987 | CA1229323A1 Multiple offset boom extension |
| 11/12/1987 | DE3615295A1 Articulated riser |
| 11/12/1987 | DE3611432A1 Swivel drive for a rotatable platform or suchlike supporting device, in particular for the swivelling bolster of a swing loader |
| 11/10/1987 | US4705264 Wheeled stand assembly |
| 11/10/1987 | US4705180 Suspended load positioning stabilizing system |
| 11/10/1987 | US4705179 Easy outboard motor loader |
| 11/04/1987 | EP0244124A1 Armoured vehicle with crane |
| 11/04/1987 | EP0188510B1 A device of the kind comprising at least three movably co-ordinated parts |
| 11/04/1987 | CN87200092U Elevator type tower crane |
| 11/03/1987 | CA1228839A1 Pendant control system for pendant supported boom |
| 10/22/1987 | DE3710414A1 Anordnung zur achslastverteilung Arrangement for axle load distribution |
| 10/21/1987 | EP0242192A1 Material handling systems |
| 10/20/1987 | US4700851 Lightweight, self-powered, transportable crane assembly |
| 10/15/1987 | DE3711239A1 Device for securing movable loading devices (chargers) |
| 10/15/1987 | DE3706301C1 Connecting sections of a lattice pole in the jib system of a movable crane |
| 10/14/1987 | EP0240652A1 Device for mounting and dismounting a counterweight of the jib of a mobile hydraulic crane |
| 10/13/1987 | US4699281 Telescopic boom mechanism |
| 10/08/1987 | DE3704392A1 Device for vertically conveying a load, in particular ship unloading crane |
| 10/08/1987 | DE3611620A1 Apparatus for inserting an ingot mould with highly radioactive waste into a borehole |
| 10/08/1987 | DE3611269A1 Support-foot swivelling device in work vehicles |
| 10/07/1987 | CN87102376A Carrier track system for extensible and retractable boom machines |
| 10/06/1987 | US4698565 Hoist with overload safety protection |
| 10/06/1987 | US4697458 Crane load-test gauge |