| Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643) |
|---|
| 08/10/1999 | US5934723 Vacuum handling apparatus |
| 08/04/1999 | CN2331649Y Scissor oil jack for vehicle |
| 08/04/1999 | CN2331648Y Horizontal oil jack once lifting to top device with shortening banking time |
| 07/29/1999 | WO1999037574A1 A hydraulic, automatic device for raising a load and a method thereof |
| 07/28/1999 | CN2330634Y Electric remote control jack |
| 07/28/1999 | CN2330633Y Pneumatic hydraulic jack |
| 07/21/1999 | EP0929762A1 Telescopic feed unit |
| 07/21/1999 | CN2329652Y Wheel-type oil jack pumping mechanism |
| 07/21/1999 | CN2329651Y Transformer oil-submersible pump hydraulic lifter |
| 07/21/1999 | CN1223228A Shuttle valve for pneumatic cylinder of hydraulic jack |
| 07/16/1999 | CA2255236A1 Two-piece jack handle |
| 07/14/1999 | CN2328645Y Shuttle valve of pneumatic cylinder for oil pressure jack |
| 07/13/1999 | CA2034195C Hydraulically operated dockboard |
| 07/08/1999 | WO1998023528A8 Translating block with disengageable nut for screw lifting units |
| 07/08/1999 | DE19800296A1 Hydraulic extending lifting cylinder |
| 07/07/1999 | EP0927827A1 Hydraulic actuator incorporating a piston with a damping ring |
| 07/07/1999 | CN2327672Y Jack with improved structure |
| 06/29/1999 | US5915673 Pneumatic human power amplifer module |
| 06/29/1999 | US5915672 Collapsible jack stand and method therefor |
| 06/29/1999 | US5915671 For lifting a wall frame |
| 06/29/1999 | US5915670 Apparatus for lifting furniture in place to install floor covering beneath it |
| 06/23/1999 | CN2325373Y Electric hoisting jack |
| 06/23/1999 | CN2325372Y Appliance for lifting/lowering things |
| 06/17/1999 | WO1999029616A1 Automotive jack employing a pneumatic lifting system |
| 06/17/1999 | WO1999029615A1 Jack |
| 06/16/1999 | EP0922008A1 Positioning device |
| 06/09/1999 | EP0921254A1 A shoring leg |
| 06/02/1999 | EP0918728A1 Expandable lifting devices and valve assemblies for such lifting devices |
| 06/02/1999 | CN2321770Y Semi-automatic steel cable jack |
| 05/26/1999 | CN2320614Y 剪式千斤顶 Scissor jack |
| 05/26/1999 | CN2320613Y 剪式千斤顶 Scissor jack |
| 05/26/1999 | CN2320612Y 剪式千斤顶顶头 Scissor jack plug |
| 05/25/1999 | US5906356 Adjustable lifting apparatus |
| 05/19/1999 | CN2319390Y Light weight hollow extension jack |
| 05/18/1999 | US5904340 For freeing persons trapped in a vehicle from an accident |
| 05/12/1999 | CN2318208Y Piston dismountable hydraulic jack with limit protection |
| 05/12/1999 | CN2318207Y Hydraulic feed-through jack |
| 05/05/1999 | CN2317222Y Cylinder base welding type hand oil jack |
| 05/05/1999 | CN2317221Y Portable welding type double stage jackscrew |
| 05/05/1999 | CN1216028A Belt lifting apparatus |
| 05/05/1999 | CN1215693A Full-automatic device and method for hydraulic jack-up machine and tool |
| 05/04/1999 | US5900596 For a hydraulic elevator |
| 04/27/1999 | US5897121 Drill attachment and tool for actuating jacks on trailers |
| 04/22/1999 | WO1999019247A1 Telescopic supporting column |
| 04/21/1999 | CN2315105Y Hydraulic controller for lowing heavy weight matter |
| 04/21/1999 | CN2315104Y Telescopic device |
| 04/14/1999 | CN2313913Y Wholly welded manpower hydraulic jack |
| 04/14/1999 | CN2313912Y Welded two-slage hydraulic jack |
| 04/14/1999 | CN2313911Y Top assembly of jack |
| 04/08/1999 | DE19744190A1 Vacuum handling gear with suction appliance |
| 03/31/1999 | CN2312221Y Multi-function hydraulic jack |
| 03/24/1999 | EP0903317A1 Pneumatic jack |
| 03/24/1999 | CN1211963A Lifting jack, method of coupling suspending rods and lift control method |
| 03/23/1999 | CA2248063A1 Pneumatic jack |
| 03/17/1999 | CN2310759Y Sleeve double-plunger hydraulic jack |
| 03/11/1999 | WO1999011556A1 A lifting carriage |
| 03/11/1999 | WO1999011555A1 A lifting cushion |
| 03/11/1999 | CA2300883A1 A lifting cushion |
| 03/10/1999 | CN2310059Y Double-powering hydraulic jack |
| 03/09/1999 | US5878995 Lifting device for concrete mixer vehicle drum |
| 03/04/1999 | DE19717684A1 Double-acting fluid-actuated brake device for hydraulic and pneumatic lifts |
| 03/03/1999 | CN2309325Y Oil jack |
| 03/03/1999 | CN2309324Y Oil jack |
| 03/02/1999 | US5876526 Automotive flat tire repair system improvement |
| 02/25/1999 | CA2232492A1 Scissors jack gear tooth disengagement prevention system |
| 02/24/1999 | EP0897827A2 Device for removing of ice, snow and water off tarpaulins |
| 02/24/1999 | CN2308590Y Hydraulic jack |
| 02/23/1999 | CA2005666C Screw lift |
| 02/17/1999 | EP0896948A1 Vehicle jack with a connectable electric drive motor |
| 02/17/1999 | EP0896843A1 Methods for manufacturing a pivot and a jack; a pivot and a jack |
| 02/17/1999 | CN2307773Y Jack with remote-controlled device |
| 02/10/1999 | EP0895832A2 A device for rotating at least one rotatable element and a method for manufacturing such a device |
| 02/10/1999 | EP0664767B1 Flat-structure lifting platform |
| 02/10/1999 | CN2306984Y Horizontal oil jack idle running fast lifting device |
| 02/03/1999 | CN2306221Y Speed regulating lifter |
| 02/02/1999 | US5865424 Scissors jack gear tooth disengagement prevention system |
| 01/20/1999 | EP0891292A1 Vacuum hoisting device having a vertically suspended lifting tube |
| 01/19/1999 | US5860763 Sidewalk leveling method and device |
| 01/19/1999 | CA2098856C Improved open end construction for jack |
| 01/14/1999 | DE19818486A1 Hydraulic lift braking unit |
| 01/14/1999 | DE19729598A1 Transport system for inaccessible space |
| 01/07/1999 | EP0889245A2 Diaphragm power jack |
| 01/05/1999 | US5855360 Modular panel lifter and adapter |
| 01/05/1999 | CA2054381C Scissors jack which has improved formed gear teeth |
| 12/30/1998 | WO1998058870A1 Vacuum lifter system |
| 12/30/1998 | EP0887303A1 Articulated jack |
| 12/30/1998 | CN2302235Y Hand-operated controller for hydraulic lifting jack |
| 12/23/1998 | EP0885834A2 Lightweight jack |
| 12/23/1998 | CN2301433Y Double-section rod jack |
| 12/23/1998 | CN2301432Y Internal supporting cylinder for hydraulic continuous lifting jack |
| 12/23/1998 | CN2301431Y 液压千斤顶提升装置 Hydraulic jack lifting device |
| 12/23/1998 | CN1041297C 千斤顶 Jack |
| 12/22/1998 | US5850713 Device raising and lowering apparatus |
| 12/17/1998 | WO1998057093A1 Flexible inflatable structures |
| 12/17/1998 | CA2294827A1 Structures souples gonflables |
| 11/25/1998 | EP0879161A1 Elevational vehicle ramp |
| 11/25/1998 | CN2298238Y 千斤顶 Jack |
| 11/24/1998 | US5839345 Hydraulic control in monoblock structure for lifting and lowering a load with at least two electromagnetically actuatable proportional distributing valve elements |
| 11/18/1998 | CN2297284Y Combined vices |
| 11/04/1998 | CN2296339Y Electric screw control jack |