| 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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| 06/03/1993 | DE4239622A1 Crane and combined platform for handling building stone - three sectioned crane arm deployed from portable platform which used for storing and moving building stone |
| 06/02/1993 | EP0544139A1 Travelling bracket crane |
| 06/02/1993 | CN2134992Y Automatic leveling device of crane |
| 05/27/1993 | WO1993010034A1 Multistage telescope jib |
| 05/26/1993 | EP0543276A1 Mobile crane |
| 05/25/1993 | US5213222 Mobil crane |
| 05/19/1993 | CN2133563Y Tower crane |
| 05/19/1993 | CN2133562Y Multi-functional domestic hoist |
| 05/19/1993 | CN1072153A Lifting method for parts of water tower and its lifting machines and tools |
| 05/18/1993 | US5211526 Mobile crane |
| 05/18/1993 | US5211297 Foldable crane |
| 05/12/1993 | EP0540805A1 Boom extension alignment device |
| 05/12/1993 | CN2132735Y Towerhoist and distributing two-purpose machine |
| 05/05/1993 | CN2131844Y Alarm device for crane mounted on vehicle |
| 05/05/1993 | CN2131843Y Portable jib crane |
| 05/04/1993 | US5207337 Swing controlled crane |
| 04/29/1993 | WO1993008116A1 Loading crane |
| 04/28/1993 | EP0539207A1 Safety apparatus for construction equipment |
| 04/28/1993 | CN2130803Y Luffing gear of guide rail four-rod type combined jib |
| 04/27/1993 | US5205700 Load carrying attachment for motor vehicle |
| 04/27/1993 | US5205657 Thrust cage roller circle |
| 04/22/1993 | DE4134039A1 Monoblock jib for hydraulic crane and excavator - comprises three sections, viz. front, middle and lower parts connected at joint points with bearings |
| 04/20/1993 | US5203837 Balanced lifting crane |
| 04/20/1993 | US5203540 Hydraulic lifting device |
| 04/20/1993 | US5203072 Detachable crane- or boom-operated heat exchanger tube bundle extractor |
| 04/14/1993 | CN2129757Y Mechanical balence crane |
| 04/13/1993 | CA1316148C Crane and lift enhancing beam attachment with moveable counterweight |
| 04/07/1993 | EP0536061A1 Automatically foldable tower crane |
| 04/07/1993 | EP0536060A1 Crane jib which folds automatically |
| 04/07/1993 | EP0535339A1 Load moment indicator system |
| 04/06/1993 | US5199586 Quick-connect sectional boom members for cranes and the like |
| 04/06/1993 | US5199583 Crane truck |
| 03/31/1993 | EP0534643A1 Load balancer |
| 03/30/1993 | US5197615 Crane |
| 03/25/1993 | DE4131751A1 Telescopic jib for mobile crane - has four telescopic sections linked in pairs by cable and extended by two-stage differential cylinder |
| 03/25/1993 | DE4131012A1 Transport machine for forestry work - comprises front vehicle with driver's cab and rear load carrying vehicle with crane |
| 03/25/1993 | DE4131010A1 Transporter for forestry work - has load-carrying rear vehicle whose chassis comprises cross-member with two parallel legs joined by chains |
| 03/24/1993 | EP0533502A1 Carbody to crawler connection |
| 03/24/1993 | EP0533501A1 Easily removable sheave assembly |
| 03/24/1993 | EP0533500A1 Crane with a multi-coupling device for hydraulic lines |
| 03/24/1993 | EP0533499A1 Crane upper works to lower works alignment system |
| 03/24/1993 | EP0533323A1 Quick-connect sectional boom members for cranes and the like |
| 03/24/1993 | EP0532821A1 Trailer for transporting timber |
| 03/23/1993 | US5195726 Portable luggage carrier |
| 03/18/1993 | DE4130600A1 Light transportable slewing crane - has intermediate bearing for mast sections, top and bottom spherical joints, slewing jib and anchorage cables |
| 03/16/1993 | US5193698 Jib stretching and folding device for use in a crane |
| 03/11/1993 | DE4129807A1 Rotary drive for boom of tower crane - consists of group of rollers with at least one roller driven by motor |
| 03/09/1993 | US5191826 For an oscillating load moving system |
| 03/03/1993 | EP0530114A1 Dismountable assembly device for metallic framework elements |
| 03/03/1993 | CN1069465A Anti-wind and turn-over-proof localizer for portal jib crane |
| 02/27/1993 | CA2053160A1 Released door supporting and stabilizing tool |
| 02/27/1993 | CA2049813A1 Chiller unit end plate boom device |
| 02/23/1993 | US5188247 Lifting apparatus |
| 02/17/1993 | EP0352259B1 Object transport apparatus |
| 01/27/1993 | EP0524402A1 Crane truck |
| 01/27/1993 | EP0372055B1 Telescopic beam |
| 01/14/1993 | DE4219369A1 Monitoring load lifting unit with hydraulically controlled lift part - having two different preset alarm thresholds so that above one threshold further work can only be done by intended handling, and over second general alarm is raised and hydraulic power shut=off |
| 01/14/1993 | DE4121334A1 Elektronische balance-steuerung und -regelung fuer ein hebezeug Electronic balance-control and control for a hoist |
| 01/12/1993 | US5178508 Bowl-lifting apparatus |
| 01/12/1993 | CA1312575C Method and apparatus for extending fly section of crane boom |
| 01/07/1993 | WO1993000286A1 Improvement for a hoisting boom assembly |
| 01/07/1993 | WO1993000285A1 Electronic balance control and regulation for lifting gear |
| 01/05/1993 | US5176267 Quick disconnect system for construction equipment with rotatable upper works |
| 12/28/1992 | CA2045822A1 Hoisting boom assembly |
| 12/23/1992 | CN1019565B Foldable crane with jib of two or three hinged parts |
| 12/16/1992 | EP0517997A1 Small dismountable and displaceable crane for use on construction sites |
| 12/15/1992 | CA1311392C Railroad remote operating mode for a single engine hydraulic excavatorequipped with a powershift transmission |
| 12/10/1992 | DE4118244A1 Hydraulic system for handling heavy workpieces - has pressure limiting valve controlled by variations in load |
| 12/09/1992 | EP0516938A1 Device for the stepwise raising of heavy weights for tower cranes or working platforms |
| 12/08/1992 | US5169281 Detachable crane- or boom-operated heat exchanger tube bundle extractor |
| 12/02/1992 | EP0192750B1 Hydraulic rotates system for swing crane |
| 11/26/1992 | DE4116559A1 Slewing crane support-plate - comprises tubular members welded between plate and annular sections forming top one |
| 11/17/1992 | US5163570 Load sensing device for a boom mounted on a vehicle |
| 11/11/1992 | WO1992020613A1 Bungy jumping tower |
| 11/11/1992 | CN2121440U Domestic miniature lift |
| 11/11/1992 | CA2084901A1 Bungy jumping tower |
| 11/04/1992 | CN2120796U Hand hydraulic hoist |
| 11/03/1992 | US5160238 Shaft travel devices such as vertical lift arm devices |
| 11/03/1992 | US5160056 Safety device for crane |
| 11/03/1992 | US5160055 Load moment indicator system |
| 11/03/1992 | US5159813 Slewing control device for crane |
| 10/29/1992 | WO1992018412A1 Emergency ladder with a built-in lift |
| 10/27/1992 | US5158189 Boom support system |
| 10/21/1992 | CN2119409U Crane for floor building blocks |
| 10/20/1992 | CA1309082C Portable hoist |
| 10/14/1992 | EP0508907A1 Tilting counterweight arrangement for deployable cranes |
| 10/14/1992 | CN2118719U Crane structure with fully rotating beam |
| 09/30/1992 | EP0506245A2 Hoist |
| 09/30/1992 | CN2117366U Improved rapid loading and unloading hoist |
| 09/29/1992 | CA1308141C Wheel clamp |
| 09/23/1992 | CN2116682U Box type electric crane with calabash turning arm |
| 09/23/1992 | CN1018366B Jib cranes with slewer |
| 09/22/1992 | US5148929 Multi-coupling device for crane hydraulic lines |
| 09/17/1992 | DE4206359A1 Tower crane with single drive - uses guide pulleys placed on boom and trolley, to lift and move hook |
| 09/17/1992 | DE4107781A1 Hoist for removing load from roof rack of car - uses upright post with swinging boom and lifting cable |
| 09/16/1992 | EP0503266A1 Hydraulic control device |
| 09/16/1992 | EP0503227A1 Sectional boom for a tower crane |
| 09/15/1992 | US5147013 Confined space entry apparatus |
| 09/10/1992 | DE4107587A1 Swivelling movement lock for jib crane - has wedge-shaped locking piece driven between upper and lower pressure plates to eliminate play |
| 09/09/1992 | EP0502352A2 Telescopic tower of a mobile crane or a revolving tower crane |