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