Patents
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)
03/2003
03/06/2003US20030042748 Retractile grab device for the recovery of blocks submerged in a marine environment
02/2003
02/12/2003CN2535390Y Supporting-pushing grab
01/2003
01/30/2003US20030019131 Sea grass slab planter and related process
01/29/2003CN2533113Y Hand single rope bulk-cargo grab bucket
01/01/2003CN2528757Y Elastic balance asynchronous multi-jaw waste steel grab
12/2002
12/11/2002EP1264937A2 Grab bucket for trench walls with improved control system for the verticality of the excavation
11/2002
11/27/2002CN1381395A Multiple petals synchronized hydraulic grab bucket
11/06/2002CN1377758A 液控夹紧器 Pilot clamp
10/2002
10/31/2002US20020158479 Drive apparatus for a grab device
10/09/2002EP1247777A2 Drive for a gripping device
10/09/2002EP1247630A1 Bucket mixer with at least one mixing element
10/02/2002EP1245345A1 Fluid actuated gripper
10/02/2002CN2513971Y Double-jaw grab with T-shaped leakage-preventing guard
10/01/2002US6457761 Detachable rotatable grapple
09/2002
09/24/2002US6453586 Bucket assembly
08/2002
08/08/2002US20020104236 Self-cleaning hydraulic clam bucket
07/2002
07/02/2002US6412837 Grapple
06/2002
06/29/2002CA2329846A1 Grapple positioning device
06/05/2002EP1211356A1 Grab bucket
06/04/2002US6398282 Device for gathering logging waste in particular
05/2002
05/23/2002US20020059741 Bucket assembly
04/2002
04/24/2002EP1198407A1 Method and arrangement relating to a swing damper
03/2002
03/14/2002WO2001046062A3 Loading and elevating material handler
03/12/2002CA2357249A1 Detachable rotatable grapple
02/2002
02/19/2002US6347464 Self-cleaning hydraulic clam bucket
02/06/2002EP1178004A1 Collecting, cleaning and calibrating unit for aluminium production electrolytic cells
02/05/2002USH2012 Braked joint assembly
01/2002
01/30/2002EP1175368A1 Arrangement and method relating to a swing damper
01/30/2002CN2474504Y Double jaw ball hinge crab bucket
01/16/2002CN2471757Y Coaxial balanced bucket beam
01/09/2002EP1169257A1 Beverage distribution system and method of its manufacture and operation
01/02/2002CN2468970Y Crab bucket
12/2001
12/06/2001DE10025596A1 Accessory device for lifting objects such as root balls, large stones and suchlike has shovels pivot-mounted on shovel support hinged to pivot around horizontal axis by at least 90 degrees
11/2001
11/13/2001US6315344 Grapple positioning device
10/2001
10/25/2001DE10100449A1 Rapid changer for multi-grab gripper has grabs pivotably located on support and central support connectable at one end with gripper suspension, having adapter at its other end
09/2001
09/26/2001CN1071704C Control system for rope bucket
08/2001
08/30/2001WO2000043310A9 Beverage distribution system and method of its manufacture and operation
08/23/2001US20010015560 Grapple
08/22/2001CN1309075A Grab bucket without leakage
08/21/2001CA2212973C Braked mechanical joint assembly
08/01/2001CN2440793Y Automatic controller for four-rope grab buckets
07/2001
07/24/2001US6264013 Pivot connection for a grapple
07/17/2001US6261043 Material moving system
07/17/2001US6260470 Hydraulic piston-cylinder-unit for a slewing drive
06/2001
06/28/2001WO2001046062A2 Loading and elevating material handler
06/01/2001CA2324781A1 Braked joint assembly
05/2001
05/31/2001DE19955750A1 Verfahren zum Druckausgleich in Hydraulikmotoren zum Antrieb der Hub- und Schließseile eines Seilkranes Method for equalizing pressure in hydraulic motors for driving the lifting and closing ropes of a cable crane
05/23/2001CN2431264Y Hydraulic unhook-preventing changeable measuring box grab
05/22/2001US6234487 Crane game claw gauge
05/16/2001EP1099859A2 Method of pressure-balancing hydraulic motors for driving the raise and lower cables of a cable crane
04/2001
04/24/2001US6220641 Cradle and pressure grippers
03/2001
03/27/2001US6206440 Damped mechanical joint assembly
02/2001
02/28/2001CN2421274Y Float material return plate hydraulic grab
02/21/2001CN2420257Y 抓斗 Grab
01/2001
01/30/2001US6179357 Automatically-actuated cargo and personnel scooping apparatus with pivoted extensions, magnets and buckets
01/25/2001DE19933771A1 Crane has two outer holding cables for raising, lowering load mechanism, actuating cable between them for operating load mechanism, common winding drum, cable actuating arrangement
01/24/2001CN2416082Y Coke grappler
01/23/2001US6176531 Grapple system
01/03/2001CN2412881Y Push scraper loading or unloading multi-functional mechanical claw bucket
01/02/2001US6168219 Grapple
12/2000
12/07/2000WO2000073195A1 Method and arrangement relating to a swing damper
12/07/2000CA2375710A1 Method and arrangement relating to a swing damper
12/05/2000US6155619 Grapple having one or more tines that include a magnet
11/2000
11/14/2000US6145517 Using robot apparatus for removing solidified body of polyethylene from reactor used for making polyethylene from ethylene gas, the solidified body resulting from overheating of reactor, melting or agglomerating polyethylene particles
11/01/2000CN1271686A Push-type grab bucket
10/2000
10/24/2000US6134815 Monitoring device for motor-driven underwater grab bucket dredge gear
10/19/2000WO2000061485A1 Grapple with universal attachment
10/19/2000WO2000043310A8 Beverage distribution system and method of its manufacture and operation
10/03/2000US6126216 Bucket attachment for log grapple
09/2000
09/14/2000WO2000053522A1 Arrangement and method relating to a swing damper
09/14/2000CA2366291A1 Arrangement and method relating to a swing damper
08/2000
08/10/2000DE19901779A1 Antriebseinrichtung für ein Arbeitswerkzeug, beispielsweise eines Greifers oder Kranes Drive means for a working tool, such as a hook or crane
08/09/2000CN2390855Y Wear prevention rope-saving apparatus for grab
08/04/2000CA2297633A1 Hydraulically actuated gripping device for grasping, moving, and holding objects
08/02/2000CN2389872Y Single rope bulk crab bucket
07/2000
07/27/2000WO2000043310A1 Beverage distribution system and method of its manufacture and operation
07/19/2000EP1020396A2 Drive apparatus for a worktool, for example of a gripper or a crane
06/2000
06/14/2000CN2382705Y Anti-caking winnowing pan
04/2000
04/05/2000CN2372298Y Hanging device for grab
04/05/2000CN2372297Y Grab sampler for bulk granule minerals
02/2000
02/15/2000US6023862 Control system for rope bucket
02/02/2000CN1243094A Multi flap synchronous hydraulic grab bucket
11/1999
11/24/1999CN2350369Y Orange-peel bucket capable of replacing bucket tip
11/17/1999EP0957209A2 Hydraulic piston-cylinder-unit for a pivot drive
11/16/1999US5984394 Power bucket
11/02/1999US5975604 Grapple with universal attachment device
10/1999
10/26/1999US5971455 Universal attachment device for tools
09/1999
09/22/1999EP0809736B1 Slewing mechanism for an excavator grab
09/19/1999CA2232740A1 Multi purpose grasping tool
08/1999
08/25/1999EP0937675A1 Monitoring device for underwater motorgrab
08/25/1999EP0809735B1 Slewing mechanism for an excavator grab
08/11/1999CN2332697Y Grab bucket for grabbing grille filtered objects
07/1999
07/14/1999EP0928768A1 Grapple
06/1999
06/30/1999CN1221392A Control system for rope bucket
06/23/1999CN2325366Y Lifting cage discharging door interlocking device
06/09/1999EP0920399A1 Control system for rope bucket
05/1999
05/18/1999CA2120399C Snubber braker assembly
04/1999
04/27/1999CA2014951C Amelioration of soil for tree planting
04/07/1999EP0906242A1 Improved cart
04/06/1999US5890754 Grapple claw attachment for a backhoe
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16