Patents
Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059)
03/2000
03/02/2000WO2000011375A1 Sheave assemblies and pulley blocks
03/02/2000DE19838674A1 Winde Winch
03/01/2000CN2366398Y Tackle with protruding clamping plate and bearing blocking cover
03/01/2000CN2366397Y Heavy duty chain type hauling apparatus for reparing purpose
02/2000
02/29/2000US6030015 Belt hoist having improved belt-hook assembly
02/23/2000EP0980844A1 Winch
02/17/2000WO2000008296A1 Tubing injector
02/17/2000CA2337500A1 Tubing injector
02/16/2000CN2364013Y Hand hoisting block
02/16/2000CN2364012Y Coaxial constant speed electric bridge crane traction device
02/08/2000US6022002 Apparatus for the assisted handling of a load
01/2000
01/26/2000CN2360381Y Hoist for hoisting goods
01/26/2000CN1048693C Hoisting device
01/12/2000CN2358036Y Clasping type mailbag lifting equipment
01/12/2000CN1240756A Lever-type hoist
01/05/2000EP0925252A4 Overload clutch assembly
01/05/2000CN2356984Y 便携式起重机 Portable Crane
12/1999
12/28/1999US6007054 Hand operated chain block having an improved cover
12/22/1999EP0965558A2 Hoisting apparatus for a straddle carrier
12/22/1999CN2354913Y Hoist for transportation
12/21/1999US6003843 Belt hoist
12/15/1999CN2353718Y Hand-rocking bottom-mud winch
12/15/1999CN1238301A Multi-position low cargo boom nose
12/15/1999CN1047362C Level operated hoist
12/15/1999CN1047361C Rope traction device
12/08/1999CN2352494Y Hand operated hoist
12/08/1999CN2352493Y Equipment for performing putting a coffin into grotto up on high cliff
12/02/1999WO1999042400B1 Impact driven hoist
11/1999
11/23/1999US5987734 Semi-automatic block and tackle lacing machine
11/17/1999CN2349187Y Pulley
11/17/1999CN2349186Y Pulley for well survey
11/16/1999US5984278 Swivel post latch system for bearing block
11/16/1999US5984276 Cable retraction speed limiter for air balancing hoist
11/16/1999US5984275 Truck cap hoisting system
11/10/1999CN2347949Y Improved hand pulling device
11/10/1999CN2347948Y Convenient lifter
11/03/1999EP0953539A2 Electric winch
11/03/1999CN2346764Y 滑轮 Pulley
11/03/1999CN1046117C Hoister for basket of work high above the ground
11/02/1999CA2209642C Belt hoist having improved belt-hook assembly
10/1999
10/28/1999DE19817013A1 Kettenzug Chain
10/27/1999CN1232782A Compensating pulley assembly
10/26/1999US5971364 Hoist and traction apparatus
10/26/1999US5971178 Impact driven hoist
10/20/1999EP0950632A2 Chain hoist
10/20/1999CN2344372Y Manual floor slab lifting equipment
10/19/1999US5967495 Cable feeding apparatus and method
10/13/1999CN1231649A Overload clutch assembly
10/06/1999CN1230515A Earthwork loading and transporting equipment
09/1999
09/30/1999WO1999042400A3 Impact driven hoist
09/29/1999CN2340756Y Bidirectional hand operated hoist
09/29/1999CN2340755Y Hand operated and electric hoist
09/28/1999US5957433 Belt hoist including a winding member with an improved belt fixing surface
09/28/1999US5957431 Stack lifter for a blowout preventer
09/23/1999DE19810472A1 Cable or chain winch for lifting heavy loads
09/22/1999EP0943579A2 Multi-position low profile boom nose
09/01/1999CN1044895C Chain lever hoist
08/1999
08/26/1999WO1999042400A2 Impact driven hoist
08/25/1999CN2334739Y Pneumatic suspension hanging equipment
08/25/1999CN2334738Y Pulley
08/19/1999DE19810994C1 Holder structure for a heavy duty lifting chain
08/18/1999CN2333693Y Tractor
08/18/1999CN2333692Y Hoister
08/18/1999CN2333691Y Hoisting pulley
08/18/1999CN2333690Y Rope end force-equalizing device
08/11/1999CN2332702Y Double-hook fast hand hoist
08/11/1999CN2332701Y Portable elevator
08/11/1999CN2332700Y Hoisting tractor
08/04/1999CN2331646Y Electric hoist for preventing colliding with top
08/04/1999CN2331645Y Hanger for hanging chain block
07/1999
07/28/1999EP0931757A1 Hoist
07/28/1999CN1044353C Electric hoist
07/21/1999CN2329649Y Spring supporting pulley
07/21/1999CN2329648Y 滑轮 Pulley
07/21/1999CN1044220C Lever type traction machine
07/14/1999CN2328644Y Assembled pulley
07/14/1999CN2328643Y 轻便起重机 Light Crane
07/06/1999US5918701 Roping device
06/1999
06/30/1999EP0925252A1 Overload clutch assembly
06/30/1999CN2326587Y Drop-type entertainment self-sliding cable-car apparatus
06/29/1999US5915673 Pneumatic human power amplifer module
06/23/1999CN2325370Y Hand-operated tackle for transporting goods upstairs
06/16/1999EP0922006A1 Balancing hoist and material handling system
06/16/1999CN2324138Y Suspension bucket elevator
06/16/1999CN2324137Y Automatic-balancing pulley
06/15/1999US5911410 Hoisting and lowering apparatus
06/08/1999US5909869 Ram winch
06/08/1999CA2030138C Winch system
05/1999
05/27/1999WO1999026326A1 Cable support block
05/26/1999CN2320611Y Self-lifting and- locking safety elevator
05/26/1999CN2320610Y Pulley blocks type elevating platform
05/19/1999CN2319389Y Friction dual-speed electric hoist
05/19/1999CN2319388Y Compensating pulley device
05/12/1999CN2318206Y Auto-locking pulley
05/06/1999DE19747393A1 Weight balancing device esp. for medical technical device e.g. X=ray equipment
05/04/1999US5899441 Chain hoist with a brake acting on both sides of the clutch
04/1999
04/27/1999US5897104 Overhead hoist and sling apparatus for removing, storing and replacing a removable automobile hardtop
04/27/1999CA2078494C Hoist and traction machine
04/21/1999CN2315103Y Flexible force conveying assembly
04/15/1999WO1999017704A1 A person lowering and raising winch assembly
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