| Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
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| 09/22/2005 | DE10335984B4 Kettenzug Chain |
| 09/21/2005 | EP1577254A1 Electric hoist |
| 09/21/2005 | CN2727273Y Wide-span hanging beam structure |
| 09/19/2005 | CA2461977A1 Coil tubing injector for injecting tubings of various diameters |
| 09/15/2005 | WO2005084602A1 A hoist |
| 09/01/2005 | DE19825312B4 System zum Steuern der Bewegungen einer Lasthebevorrichtung A system for controlling the movements of a lifting device |
| 08/18/2005 | US20050181903 Pulley block |
| 08/18/2005 | US20050179022 Fail-safe cleat with automatic in-line locking cam and quick-release slot |
| 08/18/2005 | US20050179020 Cable slack and guide monitoring apparatus and method for a lift device |
| 08/18/2005 | US20050179019 Cable traction apparatus and method |
| 08/17/2005 | CN2717918Y Stable up and down electric hoist |
| 08/17/2005 | CN2717917Y Four-stage driving device for single-chain chain block |
| 08/11/2005 | US20050173688 Pulley Block |
| 08/11/2005 | US20050173687 Ratchet block |
| 08/11/2005 | CA2560541A1 Apparatus for converting torque |
| 08/10/2005 | CN2716234Y Mini type electronic block |
| 08/09/2005 | US6926260 Compensation and hoisting apparatus |
| 08/09/2005 | US6926259 Hoist system |
| 08/09/2005 | US6926103 Splittable block on a derrick |
| 08/09/2005 | US6925794 Chain, chain wheel and chain transmission for lifting gear |
| 08/04/2005 | WO2005070811A1 Lifting equipment |
| 07/28/2005 | US20050161652 Pivotal lift for vehicle liberation |
| 07/28/2005 | DE10359876A1 Einrollige Unterflasche für Hebezeuge Einrollige bottom block for lifting equipment |
| 07/20/2005 | CN2711126Y Hauling-up device |
| 07/14/2005 | US20050150141 Auxiliary assembly for reducing unwanted movement of a hoist rope |
| 07/13/2005 | EP1551747A1 Methods and apparatus for eliminating instability in intelligent assist devices |
| 07/13/2005 | EP1373121B1 Automatic locking device for a lifting block |
| 07/12/2005 | US6916015 Lifting device |
| 07/07/2005 | US20050145038 Compact GeometryTensiometer Using a Segmented Sheave Assembly |
| 07/06/2005 | CN1635978A Electric hoist |
| 06/30/2005 | DE202004002994U1 Pocket chain wheel and chain drive e.g. for hoisting devices, has side panel and teeth formed on each wheel which is arranged within side panel and teeth are dimensioned to allow chain links to be inserted on them |
| 06/29/2005 | EP1062178A4 Impact driven hoist |
| 06/29/2005 | CN2706455Y Single rope electric hoist |
| 06/22/2005 | EP1544153A2 Lower pulley block for hoists with a single pulley |
| 06/22/2005 | CN1629064A Lower pulley block for hoists with a single pulley |
| 06/21/2005 | US6908074 Device for changing the rigging of the pulley blocks of a crane |
| 06/21/2005 | US6908073 Hand winch having a removable sway handle |
| 06/16/2005 | DE10328487B4 Hubvorrichtung Lifting device |
| 06/15/2005 | CN1628070A Winching and drawing machine |
| 06/14/2005 | US6905432 Chain drive arrangement |
| 06/09/2005 | WO2005051834A2 Lift assembly |
| 06/09/2005 | US20050120713 Compressed air balancer |
| 06/08/2005 | CN2703748Y Rigging gear |
| 06/07/2005 | CA2217421C A person lowering and raising winch assembly |
| 06/02/2005 | US20050115914 Personal lift device |
| 05/26/2005 | US20050110451 Method for stabilizing the movement of an articulated chain of a chain block, especially to prevent the formation of a resonance oscillation of the chain, and a chain block apparatus |
| 05/24/2005 | CA2373247C Human power amplifier for lifting load including apparatus for preventing slack in lifting cable |
| 05/19/2005 | US20050104053 Self-climbing stage light support |
| 05/18/2005 | CN1616844A Rope fixing structure of tracting device |
| 05/12/2005 | US20050098418 Suspended control device |
| 05/11/2005 | CN1613742A Rope wheel for increasing drawing force of cradling operative steel wire |
| 05/04/2005 | CN2697387Y Rope positioning structure for tractor |
| 05/03/2005 | US6886812 Human power amplifier for lifting load with slack prevention apparatus |
| 04/28/2005 | US20050087035 Winching and drawing machine |
| 04/19/2005 | US6880629 Well string injection system with gripper pads |
| 04/14/2005 | DE10336027B3 Powered chain hoist has a housing with a lubricant dispenser directed at the moving chain |
| 04/13/2005 | EP1521565A1 A winch assembly for the displacement of a person between a first vertical position and a second vertical position |
| 04/12/2005 | US6877720 Compact geometry tensiometer using a segmented sheave assembly |
| 04/07/2005 | DE10339440A1 Verfahren zur Überwachung eines Kettenzuges und Kettenzug Method for monitoring a chain hoist and hoist |
| 04/06/2005 | EP1519889A1 Suspended control device |
| 03/30/2005 | EP1518818A1 Pneumatically operated balancer |
| 03/24/2005 | WO2005026037A1 Hoisting and pulling device |
| 03/24/2005 | US20050065692 Method of monitoring a chain pulley block and chain pulley block apparatus |
| 03/16/2005 | CN1192972C Flexible flat steel cable pulley block possessing independent shaft shoulder and friction performance change flange surface |
| 03/09/2005 | CN1590274A Method for monitoring a chain hoist and chain hoist |
| 03/09/2005 | CN1590269A Rotational machine |
| 03/03/2005 | US20050045436 Rotational machine |
| 03/02/2005 | EP1510498A1 Method for monitoring a chain hoist and chain hoist |
| 02/24/2005 | US20050043132 Chain pulley block |
| 02/17/2005 | US20050035338 Roller assembly for a lifting device for a personal-transportation vehicle |
| 02/17/2005 | DE202004014720U1 Winch with block and tackle, especially rescue winch, includes anti slip catch for cable secured to one set of rollers |
| 02/16/2005 | CN1579921A Chain hoist |
| 02/10/2005 | WO2005012036A1 Rope tensioning device |
| 02/10/2005 | CA2571998A1 Rope tensioning device |
| 02/09/2005 | EP1505032A2 Chain hoist |
| 02/09/2005 | CN1576227A 升降装置 Lifting device |
| 02/09/2005 | CN1576226A 升降装置 Lifting device |
| 02/03/2005 | US20050023512 Lifting device |
| 02/02/2005 | EP1501754A1 Methods and apparatus for manipulation of heavy payloads with intelligent assist devices |
| 02/02/2005 | CN1572705A Elevator for transporting a load by means of a movable traction means |
| 01/27/2005 | US20050017229 Lifting apparatus |
| 01/20/2005 | DE10328487A1 Hubvorrichtung Lifting device |
| 01/20/2005 | DE10328486A1 Hubvorrichtung Lifting device |
| 01/13/2005 | US20050006632 Alignment pulley |
| 01/11/2005 | US6840393 Crane assembly |
| 12/29/2004 | EP1491488A1 Lifting device |
| 12/29/2004 | EP1491487A1 Lifting device |
| 12/23/2004 | US20040256180 Elevator for transporting a load by means of a movable traction means |
| 12/22/2004 | EP1489034A1 Drive pulley with coating |
| 12/19/2004 | CA2471318A1 Lift for transporting a load by means of a movable traction means |
| 12/14/2004 | CA2357125C Improved overload protection device for a lever |
| 12/08/2004 | EP1484276A1 Winching and drawing machine |
| 12/07/2004 | US6827334 Lifting arrangement for overhead traveling cranes |
| 12/02/2004 | DE10311424B3 Seilflasche, insbesondere Unterflasche für Seilzüge A pulley block, particularly a lower pulley for cables |
| 11/25/2004 | WO2004073576A3 Portable raising and lowering device and equipment therefor |
| 11/25/2004 | US20040232399 Fail-safe cleat with automatic in-line locking cam |
| 11/23/2004 | US6820863 Portable motorized chain driver |
| 11/23/2004 | CA2363082C Lifting device |
| 11/17/2004 | CN1546362A Explosion-proof chain block |
| 11/10/2004 | EP1307670B1 Chain and chain transmission for lifting gear |