| Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
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| 09/03/1991 | CA1288415C Pipe lining apparatus |
| 07/23/1991 | CA1286654C Cable hoist |
| 07/16/1991 | US5031880 Rope traction device |
| 06/28/1991 | CA2006876A1 Workpiece holder and method of installing a vehicle windshield therewith |
| 06/27/1991 | WO1991008976A1 Piston and drum drive system |
| 06/25/1991 | US5025893 Vibration suppressing device for elevator |
| 06/25/1991 | CA1285304C Chain handling device |
| 06/11/1991 | US5022125 Clamping assembly with self-clamping jaws, in particular for a linear hydraulic winch |
| 05/29/1991 | EP0428724A1 Balanced cargo handling apparatus and its control method |
| 05/28/1991 | US5018708 Winch apparatus |
| 05/28/1991 | CA1284519C Air cooled electromechanical drive apparatus |
| 05/08/1991 | CN2076541U Manual hoister of quickly moving hook type |
| 05/08/1991 | CN2076538U Double self-lock manual lift chain with two hooks |
| 04/24/1991 | CN2075641U Adjustable pulley group |
| 04/23/1991 | US5009353 Cable tensioning device |
| 04/16/1991 | US5007617 Hand-operated chain block |
| 04/11/1991 | DE3939976C1 Load lifter for small hoist - has impeller vane on DC motor shaft on end facing toward horn gear drive, in order to extract heat generated by motor |
| 04/02/1991 | US5004108 Cranes |
| 03/27/1991 | CN2073871U Lifting implements |
| 03/05/1991 | US4997152 Hoist-type support for game |
| 02/20/1991 | CN2071639U Dual-speed motor-driven chain hoist |
| 02/20/1991 | CN1049319A Driving apparatus for rotating hanging goods with provide for oneself power to lift steel wire in hoist |
| 02/20/1991 | CN1049318A Making method of bundling strap made of paper containing steel-wire core and its apparatus |
| 02/12/1991 | CA1280093C Dump block for dragline bucket |
| 02/07/1991 | DE4022275A1 Lifting cable for crane - has sleeve clamped to cable end to facilitate threading through pulley block |
| 02/03/1991 | CA2017560A1 Multiple speed and load range winch |
| 01/23/1991 | EP0409748A1 Motorized device for rotating loads, with self-supply of energy, for cable-hoisting gears |
| 12/27/1990 | WO1990015773A2 Sheave assembly for a tire lift/carrier winch |
| 12/19/1990 | CN2067700U Platen type limit twist preventing device for electric hoist |
| 12/19/1990 | CN2067699U Automatic variable speed hand pulling hoist |
| 12/05/1990 | EP0401087A1 Device for attaching a load to a cable |
| 11/27/1990 | US4973893 Piston and drum drive system |
| 11/26/1990 | CA2017452A1 Low-profile lifting apparatus |
| 11/15/1990 | WO1990013508A1 Arrangement for a load hoist |
| 11/15/1990 | WO1990013507A1 Balanced cargo handling apparatus and its control method |
| 11/14/1990 | EP0397270A1 Linear winch with multiple vices with programmed control for continuous movement of the pulling cable |
| 11/08/1990 | DE3914530A1 Multistage epicyclic reduction gear for winch - has common internally toothed gear for all reduction stages |
| 11/01/1990 | WO1990012751A1 Portable winch |
| 10/24/1990 | EP0394104A1 Clamp device with self-clamping jaws, in particular for a hydraulic linear winch |
| 10/18/1990 | DE3911778A1 Load-lifting cable mechanism - has parallel rope pulley shafts travelling on sides of obtuse-angle triangular guide member |
| 10/11/1990 | DE3911292A1 Kompakthebezeug Compact hoist |
| 08/28/1990 | US4951924 Deepwater subsea lowering/lifting system |
| 08/14/1990 | US4948098 Chain hoist |
| 08/09/1990 | DE3921218A1 Lifting tackle esp. for hot galvanised iron - has cable passing through sealed guides to prevent damage to lifting mechanism from escaping emissions |
| 08/01/1990 | CN2059913U Lift and fall device for hand hoist at proper speed |
| 07/11/1990 | CN1008722B Stepless speed change cranes |
| 07/05/1990 | DE3943324A1 Hebevorrichtung Hoist |
| 07/03/1990 | US4938454 Chain hoist with automatic brake and double chain hooks |
| 06/30/1990 | CA2006799A1 Motorized low-profile lifting apparatus |
| 06/19/1990 | US4934660 Device for raising and lowering loads |
| 06/14/1990 | WO1990006278A1 A rope block |
| 06/06/1990 | CN2057920U Lifting/pile puller of non-reversing chain |
| 05/23/1990 | CN2057418U Manual crane |
| 05/10/1990 | DE3909332C1 Chain guide |
| 05/03/1990 | WO1990004730A1 Improvements in load-bearing members |
| 05/02/1990 | EP0365752A2 Conveying apparatus, especially for one lap roll at a time to be delivered to a combing machine |
| 04/25/1990 | CN2056421U Pedal lift |
| 04/24/1990 | US4919393 Deepwater subsea lowering/lifting system |
| 04/18/1990 | EP0363800A1 Hoist apparatus |
| 04/18/1990 | CN2056156U Two-speed hand-operated tackle |
| 04/17/1990 | US4917360 Operating device for electric chain block |
| 04/12/1990 | DE3834273A1 Conveying apparatus, in particular for postbags |
| 04/11/1990 | EP0263105B1 Automatically acting, lockable hoisting block |
| 04/10/1990 | US4915281 Arrangement for a method of converting a stepwise translation movement into a continuous translation movement |
| 04/04/1990 | EP0360907A1 Lower block, especially for truck crane |
| 03/01/1990 | DE3829213A1 Lifting device for use in a cell which may be assembled by remote control |
| 02/27/1990 | US4903443 For use in performing drilling operations in the earth |
| 01/24/1990 | EP0351478A1 Hand operated chain block |
| 01/23/1990 | US4895079 Vehicle hauling process and apparatus |
| 01/09/1990 | US4892203 Hoist swivel support having swivelable surface and bearing inserts |
| 01/09/1990 | US4892202 Deepwater extended hook travel attachment |
| 12/13/1989 | EP0346160A1 Vibration suppressing device for elevator |
| 11/28/1989 | US4883191 Releasable chain keeper |
| 11/21/1989 | US4881720 Hand operated chain block |
| 11/16/1989 | WO1989010892A1 Deepwater extended hook travel attachment |
| 11/07/1989 | US4878607 Apparatus for unreeling a cable |
| 10/24/1989 | US4875653 Support systems and apparatus for suspending and resuspending articles at selected height positions |
| 10/17/1989 | US4874152 Cable gripping block |
| 10/10/1989 | US4872632 Adjustable overhead hanger with lock pulley |
| 10/04/1989 | CN2045377U Vertical lifting hand hydraulic crane |
| 09/26/1989 | CA1260921A1 Cable pulley |
| 07/25/1989 | US4850571 Connector assembly |
| 07/19/1989 | EP0324127A2 Device with a cable drum for lifting or lowering a person under his own control |
| 06/13/1989 | US4838522 Deepwater subsea lowering/lifting system |
| 06/07/1989 | CN1004414B Windlass mechanism |
| 06/06/1989 | US4836300 Method of performing drilling operations from a derrick |
| 05/30/1989 | US4834341 Hoisting apparatus |
| 05/16/1989 | US4831294 Air cooled electromechanical drive apparatus |
| 05/10/1989 | CN1032771A Hauling machine with rope |
| 05/09/1989 | US4828223 Cable handling apparatus |
| 05/03/1989 | DE3804364C1 Lifting apparatus for motor vehicle roof loads |
| 04/25/1989 | US4824076 Cable winch with kicker bar |
| 04/18/1989 | CA1252690A1 Power hydraulic gear |
| 04/11/1989 | US4819913 Lever type hoisting machine |
| 04/11/1989 | CA1252491A1 Tackle mechanism |
| 04/06/1989 | DE3731383A1 Rope hauling device |
| 01/31/1989 | US4801126 Hydraulically operated lift mechanism |
| 01/12/1989 | DE3721386A1 Compressed-air-operated hoisting gear |
| 01/10/1989 | US4796863 Dual cluster crown block |
| 01/04/1989 | EP0297489A2 Hydraulically driven lifting device |