| Patents for B66C 3 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs (1,528) |
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| 02/23/1999 | US5873615 Grapple |
| 02/02/1999 | US5865492 For coupling to a link pivot and a dipper pivot of an arm of equipment |
| 01/20/1999 | CN2304640Y Weighing bucket grab |
| 01/05/1999 | CA2085017C Damper for a grapple |
| 11/17/1998 | US5836089 Excavating equipment fitted with surface clamps |
| 11/05/1998 | WO1998049086A1 Device for gathering logging waste in particular |
| 11/05/1998 | CA2288185A1 Device for gathering logging waste in particular |
| 11/03/1998 | US5829940 Bale handler attachment and bale stacking method |
| 10/14/1998 | EP0870723A2 Hydraulic gripper with pressure limiting valve |
| 10/13/1998 | US5819962 Apparatus for stopping the oscillation of hoisted cargo |
| 09/17/1998 | CA2226203A1 Bale handler attachment and bale stacking method |
| 09/16/1998 | CN2291400Y Leakproof crab bucket |
| 09/03/1998 | DE19749848A1 Twin-shell gripper |
| 08/12/1998 | CN2287620Y Electric rotary log grab |
| 08/11/1998 | US5791861 Rotatable vacuum lifting and transporting apparatus |
| 07/15/1998 | EP0853061A1 Universal drive for a gripper |
| 07/14/1998 | US5779383 Braked mechanical joint assembly |
| 06/09/1998 | US5762388 Grapple |
| 04/29/1998 | CN2280081Y Energy-saving and bucket type loading lifting machine |
| 03/11/1998 | CN2276013Y Vertical bucket-type elevator |
| 03/04/1998 | CN2275573Y Plate chain continuous grab lifter |
| 02/24/1998 | CA2159743C Grapple for use on skidder |
| 02/03/1998 | US5713688 Braked mechanical joint assembly |
| 12/04/1997 | WO1997045361A1 Improved cart |
| 12/04/1997 | WO1997045356A1 Single line grab system |
| 12/03/1997 | EP0809736A1 Slewing mechanism for an excavator grab |
| 12/03/1997 | EP0809735A1 Slewing mechanism for an excavator grab |
| 11/26/1997 | CN1036513C Asynchronous open/close multi-jaw plates grab |
| 11/19/1997 | EP0759884A4 Power bucket |
| 11/13/1997 | DE19618660A1 Hydraulic fluid distributor system for machine on building site |
| 09/25/1997 | WO1997034824A1 Crane and method for replacing ropes |
| 08/07/1997 | DE19643892A1 Exchangeable bucket for excavator |
| 07/30/1997 | EP0725757A4 Excavating equipment |
| 07/22/1997 | US5649729 Single line grab system |
| 06/24/1997 | US5641188 Inclined or vertical park bail dump bucket |
| 05/28/1997 | DE19649002A1 Connecting device for coupling tool to crane arm |
| 04/22/1997 | US5622468 Disposal facility for loading objects into a container |
| 04/15/1997 | US5620222 Electro-hydraulic rectangular grapple for railcars |
| 03/27/1997 | WO1997011021A1 Crane and rope changing method |
| 03/18/1997 | US5611587 Portable claw device |
| 03/05/1997 | EP0759884A1 Power bucket |
| 02/19/1997 | WO1998006657A1 Control system for rope bucket |
| 02/13/1997 | WO1997005052A1 Suspender swinging method and apparatus therefor |
| 02/11/1997 | US5601161 Snubber brake assembly |
| 11/27/1996 | CN2241138Y Anticollision asynchronous open-and-close multiple-jaw grab bucket |
| 11/27/1996 | CN1136531A Rocking bar buffering bottom opening silo automatic unloading device |
| 11/27/1996 | CN1033376C Tooth grab bucket |
| 10/23/1996 | CN2238238Y Side pulling electromagnetic vibrating bunker |
| 10/02/1996 | DE19512039A1 Emergency lifting mechanism for floating dredger grab |
| 09/10/1996 | US5553404 Power bucket |
| 09/05/1996 | DE19507139A1 Hydraulic motor with rotary shaft in housing |
| 09/04/1996 | CN2234426Y Straw lifting grab |
| 08/29/1996 | WO1996026327A1 Slewing mechanism for an excavator grab |
| 08/29/1996 | WO1996026326A1 Slewing mechanism for an excavator grab |
| 08/28/1996 | EP0728874A2 Grab bucket with two shells |
| 08/22/1996 | DE19605879A1 Rotation mechanism for gripper of excavator or crane jib |
| 08/22/1996 | DE19505585A1 Slewing mechanism for tool coupled to excavator jib or wheel rim |
| 08/21/1996 | EP0726871A1 Disposal facility for loading objects into a container |
| 08/14/1996 | EP0725757A1 Excavating equipment |
| 07/11/1996 | WO1996020888A1 Rock digging dredging bucket |
| 07/09/1996 | US5533769 Reorienting apparatus for a clamshell bucket |
| 05/30/1996 | WO1996015975A1 Improved single line grapple |
| 05/22/1996 | CN2227638Y Connecting device for loop chain and bunker |
| 04/25/1996 | DE19506427C1 Twin=dish gripper for hydraulic lifting gear |
| 03/26/1996 | US5501024 Power bucket |
| 03/21/1996 | WO1996008438A1 Insulation element and apparatus for mounting the element |
| 03/13/1996 | CN1031251C hydraulic balancing asynchronous jaw grab-bucket |
| 02/29/1996 | DE4428712A1 Load-carrier jib arm mounted load measuring appts. for e.g. crane |
| 02/28/1996 | CN2220837Y Movable joint finger mechanism in gripper |
| 01/16/1996 | CA2052616C Grease loaded grapple dampener |
| 01/16/1996 | CA2049221C Double hoist drive using load coupled hold and close variable frequency motors |
| 01/10/1996 | CN2217002Y Device for controlling side vibration of pneumatic grab |
| 01/10/1996 | CN2217001Y Loop type overload protection device for electric (motor) grab |
| 01/10/1996 | CN2217000Y Load engaging device with inner tine grab for automatic loading and unloading |
| 12/20/1995 | CN2215521Y Flexible inner lining wheel bucket |
| 12/20/1995 | CN2215476Y Plate link chain type hoist |
| 12/12/1995 | US5473828 Structure of a clamshell bucket and a hydraulic control circuit |
| 11/23/1995 | WO1995031394A1 Power bucket |
| 11/23/1995 | CA2190368A1 Power bucket |
| 11/09/1995 | DE4415320A1 Working machine gripper with individual sickle=shaped gripper arms |
| 10/25/1995 | CN2210883Y Lifter hopper with breather |
| 10/18/1995 | EP0677477A1 Grab |
| 10/11/1995 | CN2209666Y Prestressed chain grab |
| 10/04/1995 | EP0675068A1 Power shovel |
| 10/04/1995 | CN2209140Y Hydraulic push scraping device for dumping tanker |
| 10/01/1995 | CA2145937A1 Power shovel |
| 09/27/1995 | CN2208563Y Push and press type clamping device |
| 09/27/1995 | CN2208562Y Bulk goods clamping and feeding device for crane |
| 09/19/1995 | US5451087 Damper for a grapple |
| 09/13/1995 | CN2207372Y Radio-controlled bulk grab bucket |
| 08/22/1995 | US5443294 Single-line clamshell bucket |
| 08/16/1995 | CN2205373Y Bulk grain bucket elevator |
| 08/09/1995 | CN2204789Y Ingot clincher |
| 08/03/1995 | DE4403115A1 Concrete transporting system |
| 07/19/1995 | CN2203694Y Four-wire grabbing single handle operating controlling apparatus |
| 06/14/1995 | EP0657589A1 Structure of a clamshell bucket and a hydraulic control circuit thereof |
| 06/11/1995 | CA2136663A1 Structure of a clamshell bucket and a hydraulic control circuit thereof |
| 05/02/1995 | US5411304 Grab bucket of electrohydraulic pressure type with lifting magnet |
| 04/27/1995 | DE4335678A1 Rotary device for excavator grabs |
| 04/20/1995 | DE4335504A1 Device for varying the number of tines of a grab on a material crane for agricultural purposes for adapting the tine spacings to the material to be transported |