| 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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| 10/06/1987 | CA1227771A1 Hoisting means |
| 10/06/1987 | CA1227770A1 External pendant pay-out system with anti-droop control |
| 10/03/1987 | CN86202467U Hydraulic conter-balancer for auto-balancing of crane truck |
| 09/30/1987 | EP0239302A2 Carrier track system for extensible and retractable boom machines |
| 09/23/1987 | EP0238292A1 Service boom |
| 09/23/1987 | CN86207479U Track type multiple character tower crane |
| 09/16/1987 | EP0236472A1 A hydraulic crane |
| 09/15/1987 | US4693384 Excavator boom derrick |
| 09/09/1987 | CN86208840U Rotary hand crane |
| 09/08/1987 | US4692087 Handling system and method for ship construction and repair |
| 09/08/1987 | US4692084 Lifting apparatus |
| 09/08/1987 | US4691904 Automatic or standard transmission handling device |
| 09/08/1987 | CA1226570A1 Portable hoist |
| 09/03/1987 | DE3606590A1 Device for position (displacement) measurement in telescopic booms |
| 09/01/1987 | US4690290 Device of the kind comprising at least three movably co-ordinated parts |
| 08/26/1987 | EP0233726A1 Launching apparatus |
| 08/25/1987 | US4688690 Method and apparatus for extending fly section of crane boom |
| 08/25/1987 | US4688689 Telescoping crane boom |
| 08/25/1987 | US4688688 Jib crane arrangement having a rotatable mast |
| 08/24/1987 | EP0221902A4 Raise and lower apparatus. |
| 08/20/1987 | DE3605045A1 Apparatus having a retaining arm for retaining a load which hangs down from a building |
| 08/13/1987 | DE3604224A1 Apparatus for laying large-format masonry blocks |
| 08/13/1987 | DE3604130A1 Mechanical bricklayer's aid |
| 08/04/1987 | US4684031 Material hoisting gin |
| 07/29/1987 | EP0229964A2 Working vehicle, particularly for refuse disposal |
| 07/28/1987 | CA1224752A1 Mobile crane |
| 07/23/1987 | DE3545185C1 Luffing-crane jib |
| 07/15/1987 | EP0228731A1 Pivot ring |
| 07/15/1987 | EP0107717B1 Multiple offset boom extension |
| 07/14/1987 | US4679489 Automatic leveling system for blast hole drills and the like |
| 07/08/1987 | EP0228050A2 Compensation device |
| 07/07/1987 | CA1223843A1 Floating sheave-type pendant pay-out system for pendant supported boom |
| 07/02/1987 | DE3640068A1 Support device for jibs of cranes and excavators |
| 07/02/1987 | DE3545965A1 Method and device for dismantling, assembling and inspecting the rotary connections of cranes |
| 06/30/1987 | US4676713 Material handling machine |
| 06/25/1987 | DE3640065A1 Holding device for jib cranes with jib head members |
| 06/25/1987 | DE3546036A1 Building machine |
| 06/23/1987 | US4674638 In a vehicle across terrain |
| 06/23/1987 | CA1223230A1 Pendant supported boom with fixed and live pendant portions |
| 06/23/1987 | CA1223220A1 Fail-safe spring-loaded hydraulic brake and control system therefor |
| 06/16/1987 | US4673093 Process for mooring a crane for heavy loads |
| 06/09/1987 | US4671731 For vehicle installation |
| 06/09/1987 | US4671365 Drill feeding and hoisting system for an earthdrill |
| 06/03/1987 | EP0224446A2 A hydraulic load limiting device for hydraulic cranes |
| 06/02/1987 | US4669703 Wheeled hoist |
| 06/02/1987 | CA1222480A1 Automobile vehicle for towing and for hoisting loads |
| 05/20/1987 | EP0221902A1 Raise and lower apparatus |
| 05/20/1987 | CN86200921U Telescopic leg hydraulic system for wheeled crane |
| 05/19/1987 | US4666364 Low friction cylinder for manipulators, based on the pantograph principle and equipped with a pneumatic balancer control |
| 05/19/1987 | US4666049 Sideboom excavator with lifting means |
| 05/19/1987 | CA1221940A1 Crane having stabilizing outriggers |
| 05/13/1987 | EP0221578A2 Hydraulic circuit for self-undecking crane |
| 05/13/1987 | EP0221234A1 Apparatus for detecting power lines |
| 05/12/1987 | US4664434 For grouping and lifting a plurality of projectiles |
| 05/12/1987 | US4664411 Method of and apparatus for removal and installation of outrigger box on cranes |
| 05/12/1987 | US4664272 Telescoping crane boom with locking and indicator means |
| 05/12/1987 | US4664269 Crane for heavy loads, in particular offshore crane, and process for the mooring of a crane |
| 05/05/1987 | US4662527 Hydraulic circuit for self-undecking crane |
| 05/05/1987 | US4662526 Hoisting mechanism for the cover of a furnace |
| 04/29/1987 | EP0220125A1 Stability control process for a mobile crane |
| 04/28/1987 | US4660731 Telescopic crane for heavy loads |
| 04/23/1987 | DE3537577A1 Apparatus for assembling and dismantling components and equipment in a space |
| 04/21/1987 | US4659278 Manipulator based on the pantograph principle |
| 04/21/1987 | US4659276 Load-handling apparatus for a vehicle |
| 04/21/1987 | US4658972 Method for stretching and folding extension jib in wheeled type crane |
| 04/21/1987 | US4658970 Deflection reduction module for boom hoist cylinder of mobile crane |
| 04/16/1987 | DE3633582A1 Articulated crane with self-erecting tower and telescoping jib |
| 04/15/1987 | CN86102540A Safety controller for vertical transportation machinery with microcomputer |
| 04/14/1987 | US4657109 Attachment jib for cranes |
| 04/07/1987 | CA1220171A1 Safety mounting for side stowable boom extension or jib |
| 04/02/1987 | DE3536831C1 Small lifting appliance |
| 03/31/1987 | US4653974 System for transporting and erecting very large and heavy construction equipment |
| 03/31/1987 | US4653656 Double center luffing crane |
| 03/31/1987 | US4653655 Crane boom having variable angle offset capability |
| 03/31/1987 | US4653271 Boom crane centering |
| 03/26/1987 | WO1987001684A1 A hydraulic crane |
| 03/24/1987 | US4652177 Guide tower mounted crane for a jack-up platform |
| 03/24/1987 | US4651884 Portable and collapsible derrick structure |
| 03/18/1987 | EP0214163A1 Chassis of a heavy vehicle, particularly a multiaxle moving crane. |
| 03/18/1987 | CN85106494A Overloading-resistance safety apparatus for hydraulic truck cranes |
| 03/17/1987 | US4650392 Apparatus for pre-assembling and lifting a structure |
| 03/11/1987 | CN86200298U 同步起重机 Synchronization crane |
| 03/10/1987 | US4649375 For use with a crane |
| 03/10/1987 | US4648729 Bearing weld ring |
| 03/10/1987 | US4648518 Self-lifting gantry crane and boom therefor |
| 03/05/1987 | DE3531291A1 Supporting swing-jib crane for water craft or for use on land |
| 03/03/1987 | USRE32366 Boom limit safety control circuit |
| 02/24/1987 | US4645408 Uncontrolled angular displacement compensating device for industrial robot |
| 02/24/1987 | CA1218330A1 Articulated boom mechanism for unloading bulk solid material from a ship |
| 02/19/1987 | DE3529590A1 Cantilever crane with active control device |
| 02/17/1987 | US4643320 Crane bracket for mounting over the chassis side members of a truck |
| 02/11/1987 | CN86203711U Tower crane with cable |
| 02/03/1987 | US4640421 Truck crane conversion to crawler crane |
| 01/22/1987 | DE3526041A1 Swing-up support for machines, in particular for cranes, excavators or the like |
| 01/20/1987 | US4637482 Hydraulic system in working vehicles |
| 01/20/1987 | CA1216825A1 Imaginary pivot lift crane |
| 01/15/1987 | DE3524938A1 Roller head |
| 01/13/1987 | US4635805 Crane boom locking pin insertion indicator and actuator means |
| 01/13/1987 | US4635803 Compact pedestal-mount crane |
| 01/02/1987 | DE3521833A1 Mast crane |