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Class Information
Number: 294/88
Name: Handling: hand and hoist-line implements > Grapple > Magnet- or piston-controlled
Description: Devices in which the operation of the grapple is caused by magnetic means or fluid-operated pistons.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7950709 Method and apparatus for gripping and installing pipe May. 31, 2011
7934757 Hydraulic crane-mounted remotely-controlled lifting device May. 3, 2011
7887111 Gripper for moving and positioning contact lenses Feb. 15, 2011
7883132 Pneumatic linear gripper Feb. 8, 2011
7854456 Dual rod gripper Dec. 21, 2010
7845698 Gripper with adjustable bumper stops Dec. 7, 2010
7841634 Tire loader basket Nov. 30, 2010
7837247 Gripper with central support Nov. 23, 2010
7828353 Refuse tipper latching device and method Nov. 9, 2010
7806393 Clamp apparatus Oct. 5, 2010
7748761 Gripping device for a robot or a gantry loader Jul. 6, 2010
7685702 Wire insertion tool for push-in wire connectors Mar. 30, 2010
7635154 Parallel pneumatic gripper Dec. 22, 2009
7611181 Gripper head with rotatable gripper blades and anti-slant provision Nov. 3, 2009
7604584 Automatic tool-changing arm of automatic tool changer Oct. 20, 2009
7566197 Independent hydraulic pinching fingers attachment for utility vehicles Jul. 28, 2009
7553120 Hydraulic control unit for the arms of a grip and grip including said hydraulic unit Jun. 30, 2009
7547052 Robotic head for palletizing full boxes, tray packs and spot packs Jun. 16, 2009
7543868 Mechanically actuated vacuum lifting device Jun. 9, 2009
7540545 Vehicle-to-vehicle grasping apparatus Jun. 2, 2009
7537255 Adjustable gripper pads May. 26, 2009
7500702 Seat holding apparatus for manufacturing vehicles Mar. 10, 2009
7490883 Apparatus for transporting trays Feb. 17, 2009
7490881 Long travel gripper Feb. 17, 2009
7488020 Workpiece-gripping chuck and method for controlling the same Feb. 10, 2009
7475927 Expandable finger gripper Jan. 13, 2009
7472937 Method and apparatus for gripping containers Jan. 6, 2009
7452017 Expandable finger gripper Nov. 18, 2008
7431554 Pinching fingers attachment for utility vehicles Oct. 7, 2008
7396059 Structure of angular pneumatic gripper Jul. 8, 2008
7293812 Power driven gripping device with various cross-sections Nov. 13, 2007
7290816 Work piece gripping device for robotized manipulating systems Nov. 6, 2007
7258378 Structure of improved pneumatic gripper assemblies Aug. 21, 2007
7210720 Timed rotation tool assembly and actuator May. 1, 2007
7207610 Clam for wood handling equipment Apr. 24, 2007
7204535 Lifting apparatus Apr. 17, 2007
7198312 Arrangement for handling objects such as nursery stock or the like Apr. 3, 2007
7188879 Slide gripper assembly Mar. 13, 2007
7172230 Angular pneumatic gripper Feb. 6, 2007
7160077 Grapple assembly, a front end loader having a grapple assembly, and method for operating a grapple assembly Jan. 9, 2007
7125059 Hand device for working robot Oct. 24, 2006
7066514 Method and apparatus for gripping containers Jun. 27, 2006
7052060 Device and method for gripping at least one elongated element May. 30, 2006
7036396 Drill pipe spinner device May. 2, 2006
7032944 Modular stamped parts transfer gripper Apr. 25, 2006
7021687 Clamp assembly Apr. 4, 2006
7000966 Pick-and-place tool Feb. 21, 2006
6948904 Hydraulically actuated casing slip lifter with hinged wrap arm assembly Sep. 27, 2005
6938938 Fluid operated gripper Sep. 6, 2005
6898487 Specimen sensing and edge gripping end effector May. 24, 2005

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