| Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643) |
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| 02/24/2000 | DE19836366A1 Support and transporting trestle for heavy load incorporates transverse beams holding telescopic rods extending vertically upward and may include air cushion arrangement |
| 02/23/2000 | CN2365184Y Hydraulic jack piston set capable of preventing oil hydraulic cylinder from scraping |
| 02/23/2000 | CN2365183Y Oil-pressure synchronizer for lifter |
| 02/23/2000 | CN1245138A Dual-speed hydraulic lifting mechanism for jack |
| 02/22/2000 | US6027101 Bottle jack and method |
| 02/16/2000 | CN2364014Y Pretightening jack |
| 02/09/2000 | CN2362831Y Single column rolling screw jack |
| 02/08/2000 | US6022001 Lightweight jack |
| 02/02/2000 | EP0975897A1 Device for transmitting a force, in particular a compression force, along a substantially straight path |
| 02/02/2000 | CN2361611Y Folding lifting table for capacity-increasing repairing float disk in oil tank |
| 02/02/2000 | CN1243651A Multipoint control system |
| 01/26/2000 | CN2360382Y Multi-way hydraulic jack |
| 01/19/2000 | EP0972741A1 Jack |
| 01/19/2000 | CN2359266Y Double-step quick lifting hydraulic jack |
| 01/19/2000 | CN2359265Y 液压泵站 Pump station |
| 01/18/2000 | US6015136 Portable fastener remover apparatus |
| 01/12/2000 | CN2358037Y 顶举千斤顶 Top lift jack |
| 01/11/2000 | US6012706 Pinless jack |
| 12/29/1999 | CN2356019Y 卧式液压千斤顶 Horizontal hydraulic jack |
| 12/29/1999 | CN1239704A Automatic hydraulic jacking device |
| 12/23/1999 | WO1999066216A1 Jack-out captivated screw |
| 12/22/1999 | CN2354914Y Multi-stage hydraulic jack driven by electric power or manpower |
| 12/15/1999 | CN1238741A Translating block with disengageable nut for screw lifting units |
| 12/15/1999 | CN1238299A Method of controlling energy-efficient hydraulic lifting system |
| 12/14/1999 | US6000898 Wall lift and method of lifting a wall |
| 12/14/1999 | US6000681 Saddle structure for an extendable jack |
| 12/09/1999 | DE19824599A1 Lifting and transporting unit for erection of fabricated buildings from modules |
| 12/08/1999 | EP0961744A1 Device for conveying heavy loads |
| 12/08/1999 | CN2352496Y Electric air-pumping jack |
| 12/08/1999 | CN2352495Y Working platform equipment able to go across obstructionand convenient for loading/unloading |
| 12/07/1999 | USH1823 Bus bar screw jack |
| 12/01/1999 | CN2351418Y Variable hydraulic jack |
| 11/30/1999 | US5993106 Restrainable manhole cover, handhole cover and the open/close device therewith |
| 11/30/1999 | US5992826 Motorized jack |
| 11/30/1999 | US5992825 Portable expansion device |
| 11/30/1999 | US5992149 Control unit for hand-operated hydraulic jack |
| 11/24/1999 | CN2350372Y Folding lifting table for maintaining float plate in oil tank |
| 11/23/1999 | US5988717 Method for moving a vacuum lifter on and off an object |
| 11/23/1999 | US5988594 Half scissor jack structure |
| 11/17/1999 | EP0956847A2 Seat device for shower or bathtub |
| 11/17/1999 | EP0956846A2 Wheelchair for invalids |
| 11/17/1999 | CN2349189Y Jack with safety support device |
| 11/17/1999 | CN2349188Y Double-speed hydraulic lifting/lowering mechanism for jack |
| 11/17/1999 | CN1235119A Safety leakage passage of hydraulic jack |
| 11/17/1999 | CN1046484C Telescopic boom with multistage lockable hydraulic cylinder |
| 11/16/1999 | US5984337 Motorcycle erector device |
| 11/10/1999 | EP0954506A1 Device and system for lifting office furniture |
| 11/09/1999 | US5979879 Sidewalk leveling device |
| 11/09/1999 | US5979877 Jack for vehicle |
| 11/09/1999 | US5979875 Mechanical jack transmission |
| 11/04/1999 | DE19818821A1 Hubvorrichtung zum Heben einer Last, insbesondere zum Heben eines Rollstuhls Lifting device for lifting a load, in particular for raising a wheelchair |
| 11/03/1999 | CN1233572A Lifting/lowering device |
| 11/02/1999 | US5975497 Multipiece trunnion for a scissor type jack |
| 11/02/1999 | US5975496 Multiple pump transmission jack |
| 10/27/1999 | EP0952106A2 Handling apparatus actuated by vacuum |
| 10/27/1999 | EP0951795A1 Multipoint control system |
| 10/27/1999 | EP0879161A4 Elevational vehicle ramp |
| 10/27/1999 | CN2345524Y Lighthouse winding engine |
| 10/26/1999 | US5971362 Wall panel jack |
| 10/26/1999 | US5970812 Quickly movable elastically engaging screw-and-nut mechanism |
| 10/21/1999 | WO1999053221A1 A method and an apparatus for transfer of pressure and/or tensile load |
| 10/20/1999 | CN2344376Y Electric crane |
| 10/20/1999 | CN2344375Y 液压卧式千斤顶 Horizontal hydraulic jack |
| 10/20/1999 | CN2344374Y Mechanical lifter |
| 10/19/1999 | US5967732 Lifting mechanism |
| 10/13/1999 | CN2343145Y Quick-lifting horizontal hydraulic jack |
| 10/12/1999 | US5964445 Load counterbalancing system with a constant load displacement force |
| 10/06/1999 | CN2341970Y Hydraulic lifting system for hydraulic suspending device of small four-wheel tractor |
| 10/06/1999 | CN2341969Y 气动千斤顶 Pneumatic jack |
| 09/30/1999 | WO1999048798A1 A lifting cushion |
| 09/30/1999 | DE19812472A1 Lifting device esp. for derailed rail vehicles |
| 09/29/1999 | CN2340758Y Pre-stressed jack |
| 09/23/1999 | DE19817801C1 Suction manipulator for articles |
| 09/23/1999 | DE19812537A1 Vacuum hose lifting equipment for gripping and manipulating objects |
| 09/22/1999 | EP0943581A2 Device for lifting a vehicle trailer, in particular a caravane or a boat trailer |
| 09/22/1999 | CN2339559Y Safety jack |
| 09/15/1999 | EP0941207A1 Ratchet lifting nut assembly |
| 09/15/1999 | CN2338325Y Hydraulic jack |
| 09/14/1999 | US5950990 Attachment for automatically operating a scissors jack |
| 09/09/1999 | DE19817777C1 Suction handling head for flat panels |
| 09/08/1999 | EP0634988B1 Diaphragm power jack |
| 09/07/1999 | US5946912 Oil return loop of a hydraulic cylinder |
| 09/01/1999 | CN2335944Y Lifting adjuster |
| 09/01/1999 | CN2335943Y Lifting type hydraulic jack |
| 08/31/1999 | US5943919 Ball screw actuators |
| 08/26/1999 | WO1999042244A1 Internal force application apparatus |
| 08/26/1999 | DE19817754C1 Suction gripper for handling articles |
| 08/26/1999 | CA2320999A1 Internal force application apparatus |
| 08/25/1999 | CN2334740Y Electric hydraulic jack |
| 08/24/1999 | US5941669 Jack-out captivated screw |
| 08/18/1999 | EP0936176A1 Car jack |
| 08/18/1999 | CN2333697Y Hydraulic jack capable of measuring weight of vehicle |
| 08/18/1999 | CN2333696Y Single pre-fastening front-clamp jack |
| 08/18/1999 | CN2333695Y Screw slider external locking elevator |
| 08/17/1999 | US5938179 Bag and method of constructing the same |
| 08/17/1999 | CA2234082C Apparatus for supporting modular furniture |
| 08/17/1999 | CA2170940C Screw jack |
| 08/11/1999 | CN2332704Y Automotive double-cylinder hydraulic jack |
| 08/11/1999 | CN2332703Y Multi-stage hydraulic jack |
| 08/11/1999 | CA2222895A1 12 volt car jack |