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Class Information
Number: 294/90
Name: Handling: hand and hoist-line implements > Grapple > Collar-engaging
Description: Grapples designed to engage shoulders on rods, pipes, or similar objects or shoulders on coupling members thereof and usually having no gripping action on the pipe.


Sub-classes under this class:

Class Number Class Name Patents
294/91 Rigid yoke 14


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7284778 Device for carrying preforms comprising improved gripping means Oct. 23, 2007
7237815 Lifting apparatus Jul. 3, 2007
7132048 Filter element-removing jig Nov. 7, 2006
7044216 Large diameter flush-joint pipe handling system May. 16, 2006
7032678 Horseshoe shaped elevator and method for using same Apr. 25, 2006
7000965 Tank lifting apparatus Feb. 21, 2006
6979034 Workpiece handling end-effector and a method for processing workpieces using a workpiece handling end-effector Dec. 27, 2005
6808360 Apparatus and method for lifting and rotating pipes Oct. 26, 2004
6789827 Multifunction drum lifter and wrench Sep. 14, 2004
6752442 Workpiece handling end-effector and a method for processing workpieces using a workpiece handling end-effector Jun. 22, 2004
6749392 Quick connect/disconnect tank lifting brace and method of use Jun. 15, 2004
6609742 Lifting apparatus for manipulating manhole castings and the like Aug. 26, 2003
6506009 Apparatus for storing and moving a cassette Jan. 14, 2003
6371543 Sling Apr. 16, 2002
6345851 Robotic gripping device for gripping an object having a handle on an upper surface Feb. 12, 2002
6341452 Transport anchor for embedding in prefabricated reinforced concrete parts Jan. 29, 2002
6327322 Interlock assembly for burnable poison rod transfer device Dec. 4, 2001
6279662 Pipe running system and method Aug. 28, 2001
6186567 Automatic clamping and placement holder Feb. 13, 2001
6102460 Device for supporting tamping bench arms Aug. 15, 2000
6099057 Fire hydrant lifting and setting device Aug. 8, 2000
6036247 Adjustable inner diameter barrel lifting assembly Mar. 14, 2000
5975603 Fire hydrant lifting and setting device Nov. 2, 1999
5957514 Bath drain bucket retriever Sep. 28, 1999
5669643 Device for emptying trash barrels into a waste collection vehicle Sep. 23, 1997
5660422 Adjustable lifting device Aug. 26, 1997
5655873 Drum lifting attachment for forklifts Aug. 12, 1997
5651570 Cam operated tool for proximate or remote holding of an object Jul. 29, 1997
5639197 Universal carrier with optional integral force measuring device Jun. 17, 1997
5623525 Tool for lifting tie rod during shroud repair Apr. 22, 1997
5496147 Barrel handling device Mar. 5, 1996
5489133 Attachment bracket Feb. 6, 1996
5476300 Adjustable lifting device for sewer frame or the like Dec. 19, 1995
5456532 Vibrating assembly for pressurized water reactor ice baskets Oct. 10, 1995
5441322 Apparatus for lifting drums Aug. 15, 1995
5415445 Handle for a trailer ball-mount May. 16, 1995
5405235 Barrel grasping device for automatically clamping onto the pole of a barrel trolley Apr. 11, 1995
5403114 Barrier module lifting clamp Apr. 4, 1995
5374027 Clamping device for carrying barrels Dec. 20, 1994
5366339 Lifting device for barrels Nov. 22, 1994
5350209 Handle for a trailer ball-mount Sep. 27, 1994
5342163 Drum grasping device Aug. 30, 1994
5340182 Safety elevator Aug. 23, 1994
5303968 Locking mechanism for barrel lifting apparatus Apr. 19, 1994
5246068 Apparatus for removing a wellhead cover from a well Sep. 21, 1993
5171053 Barrel clamp Dec. 15, 1992
5165835 Garbage disposal system Nov. 24, 1992
5161845 Lifting and handling device for drums Nov. 10, 1992
5156037 Clamping apparatus for repairing an automobile chassis Oct. 20, 1992
5024318 Conveyor storage apparatus Jun. 18, 1991

1 2 3


 
 
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