| Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
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| 11/10/2004 | EP1230466B1 Hoisting mechanism,with compensator installed in a hoisting cable system |
| 11/10/2004 | CN2654583Y Load self locking brake type elevator |
| 11/04/2004 | US20040217078 Portable raising and lowering device and equipment therefor |
| 11/04/2004 | DE10314724A1 Verfahren zum Vermindern des Polygoneffekts bei einem Kettentrieb, insbesondere bei einem Kettenzug, und Kettentrieb hierfür A method for reducing the polygon effect in a chain drive, especially in a chain hoist and chain drive for this |
| 11/03/2004 | EP1472176A2 Personal lift device |
| 11/03/2004 | EP1328461B1 System and device for controlling a load lifting device |
| 11/03/2004 | CN1543427A Suspension type control device |
| 11/02/2004 | US6813542 Modules for use in an integrated intelligent assist system |
| 10/28/2004 | US20040211951 Portable motorized chain driver |
| 10/26/2004 | US6808164 Rope tensioning device |
| 10/21/2004 | WO2004076229A3 A winch for raising and lowering persons |
| 10/14/2004 | US20040201005 Fail-safe device for raising/lowering articles |
| 10/12/2004 | US6802241 Air balancing device |
| 10/07/2004 | US20040195554 Pulley block |
| 10/06/2004 | EP1464611A2 Process for stilling the motion of a link chain of a chain hoist, in particular for preventing the emergence of a resonant vibration of the link chain, and chain hoist therefor |
| 09/30/2004 | DE10312847A1 Doppelseilbalancer Doppelseilbalancer |
| 09/30/2004 | DE10244865B4 Kettenzug Chain |
| 09/29/2004 | CN1532136A Lower block particular for cable actuator |
| 09/28/2004 | US6796447 Crane control system |
| 09/23/2004 | WO2004081409A1 Belt adjusting mechanism, belt hoist having the same, and belt cargo fastening machine |
| 09/23/2004 | US20040183061 Lower block for a cable actuator |
| 09/22/2004 | EP1460025A1 Hoist with two load carrier cables |
| 09/21/2004 | US6793201 Method and apparatus for winching |
| 09/16/2004 | WO2004078577A1 A method and a device for increasing the stretch of a winch wire beyond the pulling capacity of the winch |
| 09/16/2004 | US20040178397 Arborist limb lowering device and method |
| 09/16/2004 | US20040178160 Crane assembly |
| 09/15/2004 | EP1457455A1 Pulley block, in particular lower pulley block for cable traction devices |
| 09/14/2004 | CA2194486C Removable load transfer device |
| 09/10/2004 | WO2004076229A2 A winch for raising and lowering persons |
| 09/02/2004 | WO2004073576A2 Portable raising and lowering device and equipment therefor |
| 09/02/2004 | US20040169170 Cable puller with unique grip & method |
| 09/01/2004 | EP1452478A1 A winch for raising and lowering persons |
| 09/01/2004 | CN2637460Y Hand operated hoist |
| 08/19/2004 | WO2004069728A1 Equalizing block and tackle |
| 08/19/2004 | DE202004008115U1 Handwinde mit entfernbarem Feststellgriff Hand winch with removable locking handle |
| 08/12/2004 | US20040155004 Crane control apparatus and method |
| 08/05/2004 | US20040149972 Chain block |
| 08/05/2004 | US20040149971 Chain block |
| 07/29/2004 | WO2004063080A1 Dust dispersion prevention device for winch |
| 07/29/2004 | DE10247390B3 Chain or cable lifting winch has drive housing and lifting chain or cable each suspended from fixed point of support framework |
| 07/29/2004 | DE10246280B3 Lifting winch has slip coupling incorporated in intermediate gearing between drive and chain reel for limitation of lifted load |
| 07/29/2004 | DE10244864B4 Kettenzug, der an einem Tragelement aufgehängt werden kann Chain, which can be suspended on a support element |
| 07/27/2004 | US6766649 Pneumatic powered drive |
| 07/22/2004 | US20040143364 Methods and apparatus for eliminating instability in intelligent assist devices |
| 07/15/2004 | DE19810472B4 Seil- oder Kettenzug Cable or chain |
| 07/15/2004 | DE10241051B4 Hebezeug, insbesondere Kettenzug Hoist, chain hoist in particular |
| 07/14/2004 | EP1150916B1 Lifting jack |
| 07/08/2004 | WO2004056690A1 Electric hoist |
| 07/08/2004 | WO2004056689A1 Electric hoist |
| 06/30/2004 | EP1433922A2 Hoisting device with compensator |
| 06/24/2004 | US20040118961 Rope tensioning device |
| 06/24/2004 | US20040118573 Well string injection system with gripper pads |
| 06/24/2004 | DE202004004464U1 Floor adaptor for hand winches or chain hoists has cable or chain inside tube leading downwards and via deflection roller brought out for horizontal run-out, with guide bush or guide rollers located above deflection roller |
| 06/22/2004 | CA2362753C Lifting device |
| 06/17/2004 | DE202004006138U1 Lifting apparatus for transporting light and heavy workpieces, has rope drum having peripheral portions arranged for two parallel guided load speeds which are led at two initial points from case to each other |
| 06/10/2004 | US20040108498 Lifting device |
| 06/09/2004 | CN2619923Y Drum for electric hoist |
| 06/01/2004 | US6742770 Fail-safe device for raising/lowering articles |
| 05/26/2004 | CN2617749Y Portable lifting device for repairing vehicle |
| 05/05/2004 | CN1148314C Lifting jack |
| 04/29/2004 | WO2004035456A1 Winches |
| 04/29/2004 | WO1990015773A3 Sheave assembly for a tire lift/carrier winch |
| 04/21/2004 | EP1409340A1 Pulley block |
| 04/20/2004 | CA2331303C Balancing system with a force multiplying device |
| 04/20/2004 | CA2197949C Optimized gripper block for coiled tubing injectors |
| 04/15/2004 | WO2004031066A1 Methods and apparatus for eliminating instability in intelligent assist devices |
| 04/01/2004 | WO2002070389A9 Crane control system |
| 04/01/2004 | DE10244865A1 Kettenzug Chain |
| 04/01/2004 | DE10244864A1 Kettenzug, der an einem Tragelement aufgehängt werten kann Chain, which can values suspended from a support member |
| 03/24/2004 | EP1400484A1 Chain hoist |
| 03/24/2004 | EP1400483A1 Chain hoist |
| 03/18/2004 | WO2004023002A1 Tightening device for a continuous-length cable |
| 03/16/2004 | US6705597 Winch winding tool |
| 03/11/2004 | DE10241051A1 Hoist, especially chain hoist, has pulley, weight-carrier, and two-part housing containing motor connected to drive-gear, with tensioning-pieces, seals ad separate motor-chamber |
| 03/09/2004 | US6701670 Pulley for double hung windows |
| 03/09/2004 | US6701650 Sign suspension system |
| 03/03/2004 | EP1082552B1 Device for fixing, tensioning or pulling an extensible traction element, in particular, a cable |
| 03/02/2004 | US6698723 Ratchet tie down device with integral security lock |
| 02/24/2004 | US6695292 Safety device for air balancing hoist |
| 02/18/2004 | CN2603801Y Pulley capable of going up rapidly and down slowly |
| 02/18/2004 | CN1138697C Air balance device |
| 02/18/2004 | CN1138695C Hoisting apparatus |
| 02/12/2004 | US20040026349 Methods and apparatus for manipulation of heavy payloads with intelligent assist devices |
| 02/11/2004 | EP1027024B1 A person lowering and raising winch assembly |
| 02/03/2004 | US6685171 Lifting device |
| 01/28/2004 | CN1136143C Hoisting and towing device |
| 01/22/2004 | WO2004007335A1 Suspended control device |
| 01/21/2004 | CN1469840A 空气平衡装置 Air balancing device |
| 01/15/2004 | WO2004004623A1 A winch assembly for the displacement of a person between a first vertical position and a second vertical position. |
| 01/15/2004 | DE10229844A1 Hebevorrichtung sowie Hakenflasche hierfür Lifting device and hook block this |
| 01/13/2004 | US6675412 Winch assembly for the displacement of a person between a first vertical position and a second vertical position |
| 01/06/2004 | US6672802 Vertical pull apparatus |
| 01/02/2004 | EP1373121A1 Automatic locking device for a lifting block |
| 01/02/2004 | EP1150915B1 Lifting device |
| 12/30/2003 | US6668668 Non-contacting sensors |
| 12/17/2003 | EP1371600A2 Winch |
| 12/17/2003 | CN2592617Y AC asynchronous gearless towing machine |
| 12/11/2003 | US20030227186 Device for changing the rigging of the pulley blocks of a crane |
| 12/10/2003 | EP1369374A1 Device for changing the reeving arrangement for a crane |
| 12/10/2003 | EP1368269A2 Lifting device |