Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
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08/07/1996 | CN2232432Y Cable elevator for high building resident |
08/07/1996 | CN2232431Y Dismantable ring pendant chain |
07/24/1996 | CN2231680Y Ring chain hoist combined with three-crank connecting rod and small teeth difference gear set |
07/23/1996 | US5538224 Line-handling block comprising two cheeks having bayonet mating interconnection |
07/23/1996 | US5538223 Single line multiple purchase block and tackle system |
07/23/1996 | US5538222 Chain lever hoist |
07/17/1996 | CN2231244Y Rope fastening pulley |
07/16/1996 | US5535988 Lever type hoist having reverse rotation preventive mechanism |
07/16/1996 | CA2116309C Pivoting joint assembly |
07/10/1996 | CN2230751Y Safety cover for hook pulley of travelling crane |
06/25/1996 | US5529274 Sign suspension system |
06/04/1996 | US5522581 Balancing hoist and material handling system |
05/28/1996 | US5520368 Air lifting and balancing unit with constant force pneumatic circuit |
05/21/1996 | US5517821 For controlling the flow of pressurized air to a device |
05/14/1996 | US5515790 Rope traction device |
05/02/1996 | DE19502233A1 Manually operated chain pulley block for light loads |
05/01/1996 | CN1121480A Clamping driving unit with soft belt having flat surface as connector |
04/30/1996 | US5511447 Automatic ratchet block |
04/23/1996 | US5509639 Winch assemblies |
04/17/1996 | EP0706968A2 Drive unit for a lifting device |
04/17/1996 | CN2224832Y Portable cramp hoist |
04/17/1996 | CN2224831Y Household lifter |
04/16/1996 | US5507472 Hoist with a lifting device |
04/16/1996 | US5507471 For use in repairing elevated broken power lines |
04/10/1996 | CN2224193Y Harmonic gear-driving lifter |
04/10/1996 | CN2224192Y Steel-cable belt bucket-type lifter |
04/10/1996 | CN1120014A Lever hoist |
04/03/1996 | CN2223741Y Multi-shaft tackle |
04/03/1996 | CN1119623A Elevator and draught device |
03/27/1996 | EP0703185A2 Electrical hoist with speed regulation device |
03/14/1996 | DE4406623C1 Sprocket wheel for round link chains of hoist |
02/28/1996 | CN2221026Y Light and convenient multipurpose elevator |
02/20/1996 | US5492306 Air balance hoist with load position indicator |
02/14/1996 | CN2219880Y 吊装滑车 Lifting tackle |
02/13/1996 | CA2095986C Cable clamp |
02/01/1996 | WO1996002456A1 Removable load transfer device |
01/24/1996 | EP0693455A1 Traction or lifting device with jaws, acting on low profile flexible straps |
01/17/1996 | EP0692447A1 Hoist |
01/17/1996 | CN2217613Y Portable electric-hoist controller |
01/17/1996 | CN2217612Y Coupling device for power-supply cable of electric-hoist |
01/10/1996 | CN2217005Y Machine for self-lifting of scaffold integrally |
01/10/1996 | CN2217004Y Self-lifting structure for the supporting frame of side carrying and vertical lifting goods machine |
01/03/1996 | EP0689984A1 Transport trolley for panels |
01/03/1996 | CN2216520Y Spring elevator for food process |
01/02/1996 | US5480125 Hoist with a lifting device |
12/27/1995 | CN1113876A Working method for large steel net frame integral hoisting |
12/19/1995 | US5476247 Load block |
12/13/1995 | EP0686596A1 Manually- or motor actuated hoist |
12/05/1995 | US5472172 Lever stop for a lever operated hoist |
12/05/1995 | US5472171 Free rotation control apparatus for a hoist and traction machine |
12/01/1995 | CA2124632A1 Portable camping equipment hanger |
11/30/1995 | DE4418354A1 Method of mounting ventilation shaft made of several sections onto roof |
11/29/1995 | EP0684206A1 Hand or motor-driven hoisting device |
11/29/1995 | CN2213721Y Sealed device of bucket elevator down pull-tight sprocket group |
11/29/1995 | CN2213720Y Light combined lifting device |
11/23/1995 | DE4437483A1 Transportable winch with hydraulic drive |
11/16/1995 | WO1995030616A1 Openable pulley block |
11/15/1995 | CN2212585Y Portable multipurpose lifter |
11/15/1995 | CN2212584Y 家用电动起重机 Household electric cranes |
11/15/1995 | CN2212583Y Lifting Mechanism of crane capable of exchanging grab for lift hook |
11/15/1995 | CN2212582Y Loop chain type hand hoist |
11/15/1995 | CN1111596A Manual chain block |
11/14/1995 | US5465939 Directional control assembly for an air winch |
11/08/1995 | CN2211996Y Horizontal lifting mechanism for lift rod |
11/08/1995 | CN2211995Y Ring-chain motor driven lift |
11/08/1995 | CN2211994Y Household crane |
10/26/1995 | DE4413499A1 Lifting and lowering appliance for attachment to hand chain lifting loads |
10/22/1995 | CA2147068A1 Single line multiple purchase block and tackle system |
10/18/1995 | CN2210176Y Lifting appliance |
10/18/1995 | CN1110247A Free rotation control apparatus of hoist and traction machine |
10/17/1995 | US5458318 For a crane |
10/17/1995 | US5458250 Buoyant crane |
10/04/1995 | EP0471026B1 Arrangement for a load hoist |
10/04/1995 | CN1109444A Lever-type hoist and traction apparatus |
09/21/1995 | DE4415756A1 Automatischer Sperrklinkenblock Automatic ratchet block |
09/21/1995 | DE4408584A1 Electric chain hoist with independent brake |
09/21/1995 | DE4408578A1 Chain hoists for clutch |
09/21/1995 | DE4408555A1 Compact motor driven chain hoist |
09/21/1995 | DE19508833A1 Chain hoist with protective casing |
09/20/1995 | EP0672610A1 Chain hoist with variable suspension |
09/20/1995 | EP0672609A1 Cover for chain sprocket |
09/19/1995 | US5451032 For hoisting cables |
09/13/1995 | CN2207374Y Manpower, electric mini-size operating hoisting machine |
09/12/1995 | US5449154 Bearing assembly for rotary support of a line |
09/07/1995 | DE19502986A1 Vertical lift axis on crane-like transporter, enabling horizontal motion |
09/06/1995 | CN2206774Y Multifunction hand calabash |
09/06/1995 | CN2206773Y Self-driving double reel traction engine |
08/30/1995 | CN2206278Y Combined chain wheel for elevator |
08/30/1995 | CN2206277Y Elevator roll type crossing frame |
08/16/1995 | EP0667137A2 Invalid hoist |
08/09/1995 | CN2204791Y Electric block with a ring chain |
08/08/1995 | US5439200 Air lifting and balancing unit |
08/01/1995 | US5437432 Hoist machine |
07/27/1995 | WO1995019813A1 Improvements in a rope drum |
07/27/1995 | DE4447019A1 Balancer for manual movement of loads esp. tools |
07/20/1995 | WO1995019316A1 Balancing hoist and material handling system |
07/19/1995 | EP0663369A1 Hoisting device |
07/12/1995 | CN1104990A Manual chain block |
07/11/1995 | US5431248 Confined space lowering and retrieving apparatus |
06/28/1995 | EP0659677A1 Crane crab |