| Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643) |
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| 01/05/1994 | CN2151966Y Electric driving vertical jack |
| 01/04/1994 | US5275378 Automotive jack |
| 12/22/1993 | CN2150187Y Electric or air-pump jack |
| 12/22/1993 | CN2150186Y Separation-type hydraulic lifter |
| 12/21/1993 | US5271182 Device for opening and closing the panel of a window, door, ventilation hatch, or similar closure |
| 12/14/1993 | US5269644 Load balancing manipulator |
| 12/08/1993 | CN2148755Y 液压举升器 Hydraulic lifters |
| 12/01/1993 | CN2148070Y Fast lifting jack for car |
| 11/30/1993 | US5265936 Locking device for locking two elements that are articulated relative to one another |
| 11/24/1993 | CN1078772A Hydraulic device with synchronous jacks |
| 11/18/1993 | EP0569914A1 Device for lifting aircraft |
| 11/18/1993 | DE4215644A1 Lifting device for jacking up aircraft |
| 11/18/1993 | DE4215615A1 Actuator for elasto-hydraulic, static compensation of constant forces - controls hydraulic pressure in elasto-hydraulic force compensating system by pump and hydraulic container |
| 11/17/1993 | CN2146474Y Multi-purpose omnibearing oil jack |
| 11/16/1993 | US5262706 Multifunctional power driven positioning tool system |
| 11/16/1993 | US5261645 Projector ceiling lift |
| 11/16/1993 | US5261644 Plastic jack |
| 11/10/1993 | CN2145783Y Electric jack |
| 11/03/1993 | EP0567685A1 Fully rotatable vacuum lift with self contained utility lines |
| 10/31/1993 | CA2070725A1 Fully rotatable vacuum lift with self contained utility lines |
| 10/28/1993 | WO1993021101A1 Floor covering installation tool |
| 10/28/1993 | WO1993021100A1 Device for raising and lowering loads |
| 10/28/1993 | WO1993021099A1 Diaphragm power jack |
| 10/27/1993 | EP0566905A1 Pressure body |
| 10/20/1993 | EP0565801A1 Vehicle jack |
| 10/20/1993 | CN2144116Y Multipurpose hydraulic sling tool |
| 10/14/1993 | WO1993020354A1 Hydraulic device with synchronous jacks |
| 10/14/1993 | DE4211773A1 Vorrichtung zum Heben und Senken von Lasten Device for lifting and lowering loads |
| 10/12/1993 | US5251445 Hand operated hydraulic pump having pressurized reservoir within piston |
| 10/07/1993 | DE4210593A1 Combined wheel nut spanner and jack cranking handle - has flat on neck at free end of spanner which enters slot of pivoted connector piece in forked end of jack screw and allows screw to be turned at convenient angle |
| 10/06/1993 | CN2143218Y All-direction hydraulic jack |
| 10/06/1993 | CN2143217Y Guiding mechanism of hydraulic vehicle jack |
| 09/29/1993 | CN2142833Y Multi-purpose hoisting jack |
| 08/25/1993 | EP0557125A1 Vehicle jack |
| 08/18/1993 | EP0555306A1 Arrangement of stretching means. |
| 08/03/1993 | US5232202 Tank lifting methods |
| 07/29/1993 | DE4202128A1 Hydraulic tree felling wedge - has multi-phase hydraulic oil pressure cylinder with hand oil pressure pump. |
| 07/27/1993 | US5230276 Fluid-driven actuator including an inflatable sac |
| 07/23/1993 | CA2084483A1 Light weight tree jack for harvesting firewood with chain saws |
| 07/20/1993 | US5228651 Roll up jack stand |
| 07/15/1993 | DE4200391A1 Screw and lever type car jack - has angle of hinged foot controlled by two tie rods, one each side of column, and connecting lifting lever to foot each side of hinge. |
| 07/14/1993 | EP0551248A1 Arrangement for vertically raising and lowering a unit suspended from a support |
| 07/14/1993 | CN2138115Y Dual regulating mechanic lift |
| 07/08/1993 | DE4200033A1 Transporting rolls of material to and from storage site - involves pair of trolleys which support ends of roll spindle |
| 06/30/1993 | CN2137250Y Two-way jack |
| 06/23/1993 | CN2136825Y 卧式液压千斤顶 Horizontal hydraulic jack |
| 06/22/1993 | US5221117 Fully rotatable vacuum lift with self contained utility lines |
| 06/16/1993 | CN2136233Y Fast oil jack |
| 06/08/1993 | US5217206 Vehicle jack |
| 06/01/1993 | US5215289 Trailer lifting device |
| 06/01/1993 | US5215287 Vehicle lifter |
| 05/26/1993 | CN2134386Y Electric inflating and elevating dual-purpose hoisting jack |
| 05/26/1993 | CN2134385Y Simple hoisting jack |
| 05/19/1993 | EP0542224A1 Mechanical jack for vehicles |
| 05/19/1993 | CN2133567Y Push bench |
| 05/18/1993 | US5211376 Motorcycle jack |
| 05/18/1993 | US5211375 Electric hydraulic jack/air pump |
| 05/05/1993 | CN2131847Y Jack with pressure gage |
| 05/05/1993 | CN2131846Y Jack operated by air pressure |
| 05/04/1993 | US5207333 Multi-storied parking/displaying rack |
| 04/27/1993 | US5205203 Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts |
| 04/21/1993 | EP0538208A1 Electrical, telescopic jack |
| 04/19/1993 | CA2080761A1 Electrical, telescopic jack |
| 04/14/1993 | EP0536547A1 Vehicle jack |
| 04/07/1993 | CN2129281Y Load-sensing quick jack |
| 04/06/1993 | US5199688 Failure modes for a jack |
| 04/06/1993 | US5199686 Non-continuous base ground level automotive lift system |
| 04/06/1993 | CA1315771C Pulling tower |
| 03/31/1993 | EP0534413A1 Actuator for a wing of a window, a door, a ventilator or the like |
| 03/31/1993 | EP0534313A1 Extensible column |
| 03/30/1993 | US5197714 Car lift |
| 03/24/1993 | EP0532970A1 Jack, especially a three-legged jack for aircraft |
| 03/18/1993 | DE4130887A1 Movable container floor parallel guidance mechanism - uses hollow beams in place of conventional lazy-tong links |
| 03/16/1993 | US5193784 Motorcycle |
| 03/03/1993 | EP0529355A1 Vehicle jack |
| 02/21/1993 | CA2051850A1 Hydraulic pit jack |
| 02/10/1993 | CN1068796A Pressurized type hydraulic jack for engineering |
| 02/09/1993 | US5184806 Jack |
| 01/28/1993 | DE4124840A1 Installation for measuring weight of packed article - has pneumatic circuit which enables tare weight to be automatically checked |
| 01/27/1993 | EP0372055B1 Telescopic beam |
| 01/26/1993 | US5181694 Floor covering installation tool |
| 01/26/1993 | US5181693 Extensible lifting tower with hydraulic cylinders in series |
| 01/21/1993 | DE4200200A1 Lifting device for vehicle axle - has airbag, with metal end plates, and bar, fastened to chain with holder for axle |
| 01/20/1993 | EP0523434A1 Positioning actuator operated by pressure-means, in particular for a lifting, hauling and pushing device |
| 01/13/1993 | EP0522939A1 Linear actuator, having one roller, for locking two interconnected elements |
| 01/13/1993 | EP0522230A1 Jack for supporting construction works |
| 01/13/1993 | CN1067950A Flexible pillar type movable machinery |
| 01/12/1993 | US5178367 Structure for an inflatable lift device |
| 01/07/1993 | WO1993000287A1 Pantograph jack apparatus |
| 01/05/1993 | US5176362 Vehicle jack assembly |
| 12/29/1992 | US5174550 Mounting for a screw jack |
| 12/29/1992 | US5174549 Light weight tree jack for harvesting firewood with chain saws |
| 12/16/1992 | CN2124899U Safety measuring hoitting jack |
| 12/16/1992 | CN2124898U Portable hoisting jack |
| 12/15/1992 | US5171088 Lighting equipment |
| 12/15/1992 | US5170994 Rack and pinion jack |
| 12/10/1992 | DE4118244A1 Hydraulic system for handling heavy workpieces - has pressure limiting valve controlled by variations in load |
| 12/09/1992 | CN2124226U Horizontal electro-hydraulic jack |
| 12/08/1992 | US5168679 Telescoping mast assembly |
| 12/03/1992 | DE4136454A1 Elektrischer wagenheber fuer kraftfahrzeuge Electric car lift for motor vehicles |