Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
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04/13/1999 | US5893471 Freely-movable auxiliary hoist for a gantry crane and method for pivoting a load |
03/25/1999 | DE19825312A1 System for controlling load lifting device, e.g. rail=mounted travelling crane |
03/03/1999 | CN2309323Y Electric vehicle capstan |
02/24/1999 | CN2308589Y Hand chain pulley |
02/11/1999 | DE19731165A1 Hoist drive arrangement for overhead monorail transport system for e.g. mines |
02/09/1999 | US5868381 Adjustable angle logging block |
02/09/1999 | US5868380 Pulley block with spring-biased selectively operable ratchet |
02/02/1999 | US5865426 Human power amplifier for vertical maneuvers |
02/02/1999 | CA2163506C Dragline with cantilevered side-access dump block |
02/02/1999 | CA2136558C Manual chain block |
02/02/1999 | CA2127169C Manual chain block |
02/02/1999 | CA2126880C Manual chain block |
01/27/1999 | CN1205977A Lifting transmission of step-type runway |
01/26/1999 | US5863027 For controlling lifting and lowering operations of a hoist |
01/20/1999 | CN2304646Y Position limiter |
01/20/1999 | CN2304645Y Anti-dropdown safeguard for steel wire hand operated hoist |
01/19/1999 | CA2127431C Rope traction device |
01/07/1999 | EP0888999A1 Device for hoisting and lowering a load |
01/05/1999 | CA2165258C Lever operated hoist |
12/30/1998 | CN2302234Y Article-lifting cart at resident building |
12/29/1998 | US5853165 Chain hoist with a clutch adjustable by means of the brake |
12/29/1998 | US5853118 Gripper block for coiled tubing injectors |
12/23/1998 | EP0812295B1 Conveyer, in particular a hoist |
12/22/1998 | US5851039 Lower block apparatus |
12/22/1998 | US5850928 Arrangement for a vertical and horizontal goods hoist |
12/16/1998 | CN2300635Y Pneumatic hoist |
12/15/1998 | US5848781 Balancing hoist braking system |
12/09/1998 | CN2299851Y Control box for electric hoist |
12/09/1998 | CN2299850Y Hand and motor hoist |
12/08/1998 | US5845894 Pulley with a pivoting flange and built-in jammer |
12/02/1998 | CN2299052Y Miniature lifting appts. |
11/25/1998 | CN1199708A Hand operated chain block |
11/25/1998 | CN1199707A Hand operated chain block |
11/25/1998 | CN1199706A Hand operated chain block |
11/18/1998 | EP0878436A2 Hand operated chain block |
11/18/1998 | EP0878435A2 Hand operated chain block |
11/18/1998 | EP0878434A2 Hand operated chain block |
11/18/1998 | EP0878433A2 Hoist and traction apparatus |
11/18/1998 | CN2297435Y Chain elevator for vehicle loading or unloading goods on ground |
11/10/1998 | US5833430 Wall raising apparatus |
11/05/1998 | DE19718574A1 Freely revolving rollers for cables and for cables with crane snatch blocks |
11/04/1998 | EP0874780A1 Lifting device |
10/28/1998 | CN2295730Y Electric hoist with chain ring and nutation speed reduction |
10/14/1998 | EP0870971A1 Cable pulling device for a pipe laid in the ground |
10/14/1998 | CN1040196C Manual chain block |
10/11/1998 | CA2234288A1 Device for pulling a pull wire in an underground conduit |
10/08/1998 | WO1998043911A1 Pneumatic human power amplifier module |
10/08/1998 | WO1998043910A1 Human power amplifier for vertical maneuvers |
10/06/1998 | US5816565 For lifting a heavy object |
10/06/1998 | US5816132 Load-sensing pneumatic control system |
09/30/1998 | EP0771307B1 Removable load transfer device |
09/29/1998 | US5813658 Cable feeding apparatus |
09/23/1998 | CN2292090Y Inlaid pulley |
09/23/1998 | CN1039896C Free rotation control apparatus of hoist and traction machine |
09/21/1998 | CA2203593A1 Coiled tubing handling apparatus |
09/17/1998 | DE19712016A1 Drive device for connecting cable |
09/16/1998 | CN2291404Y Built-in combined traction wheel |
09/16/1998 | CN1039799C Hoist machine |
09/09/1998 | CN2290587Y Two-way contactor control box material hoisting and conveying appts. |
09/09/1998 | CN2290586Y Anti-falling device of lifting equipment |
08/26/1998 | EP0859647A1 Rope hoisting and lowering device |
08/26/1998 | CN2288960Y 气动葫芦 Hoist |
08/26/1998 | CN2288959Y Hand-held light hoister |
08/19/1998 | CN2288166Y Single plate chain lifter |
08/18/1998 | US5794880 Rope drum |
08/11/1998 | US5791579 Overload prevention clutch assembly |
07/29/1998 | CN2286747Y Sliding-bearing pulley block for grab bucket |
07/29/1998 | CN1188737A Hoister for basket of work high above the ground |
07/16/1998 | WO1998030486A1 Snowmobile entrenchment lifting device |
07/16/1998 | CA2248336A1 Snowmobile entrenchment lifting device |
07/15/1998 | CN2286173Y Compound combination pulley |
07/15/1998 | CN2286172Y Steel cable pulley |
07/07/1998 | US5775417 Coiled tubing handling apparatus |
07/01/1998 | EP0745056A4 Air lifting and balancing unit |
06/30/1998 | US5772184 Load support mounted control arrangement for fluid pressure operated hoist |
06/24/1998 | CN2284768Y Pulley |
06/23/1998 | US5769398 Lever hoist |
06/17/1998 | CN1038740C Manual chain block |
06/17/1998 | CN1038739C Lever-type hoist and traction apparatus |
06/17/1998 | CN1038738C Manual chain block |
06/10/1998 | CN2283643Y Portable small-sized hoisting machine |
06/03/1998 | CN2283053Y Electric chain hoist using on rail operating carriage |
06/02/1998 | US5758867 Lifting device for the controlled vertical transfer of objects |
05/13/1998 | EP0841743A2 Control device for an emergency stop |
05/06/1998 | CN2280707Y Pulley wheel |
05/06/1998 | CN1180654A Belt hoist |
05/06/1998 | CN1180653A Lever-type hoist |
05/05/1998 | CA2078304C Easily removable sheave assembly |
04/29/1998 | EP0838428A1 Apparatus for the assisted handling of a load |
04/29/1998 | CN2280084Y Supporting roller for steel rope |
04/23/1998 | CA2188630A1 Wall raising apparatus |
04/16/1998 | WO1998015487A1 Device for weight outbalancing in connection with lifts |
04/15/1998 | CN2278682Y Lifter |
04/14/1998 | US5738340 Stirrup device and method |
04/14/1998 | US5738339 Rope traction device with connected locking units |
04/08/1998 | CN1037955C Free rotation control apparatus for a hoist and traction machine |
04/01/1998 | CN2277401Y Bucket elevator |
03/25/1998 | EP0831053A2 A ram winch |
03/12/1998 | WO1998009909A1 Overload clutch assembly |
03/11/1998 | CN1175548A Belt hoist |