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| Number | Title | Issue Date |
| 7661901 | Knuckle swivel for servicing wells A knuckle-swivel (10) is used with well drilling equipment for protecting helical wound line 62, which may be wire rope, cable and/or strand, against torsional forces and also providing for angular displacement of sinker bars or other tools during wire... | 02/16/2010 |
| 7217056 | Knuckle-swivel for drilling wells A knuckle-swivel (10) is used with well drilling equipment for protecting helical wound line 62, which may be wire rope, cable and/or strand, against torsional forces and also providing for angular displacement of sinker bars or other tools during wire... | 05/15/2007 |
| 6736564 | Profiled way clamping mechanism A clamping mechanism comprises a first clamp half 20 and a second clamp half 22. The first clamp half 20 and the second clamp half 22 contact a linear guide rail 14 at one end thereof and a key 12 at another end thereof, wit... | 05/18/2004 |
| 6554523 | Hydraulic rod connector system A hydraulic connector assembly is provided to couple an extension rod to a piston rod in a reciprocating pump. The connector assembly utilizes a single hydraulic ram to provide the compressive connecting force between the two rods. The connector assembly ... | 04/29/2003 |
| 5211261 | Lubrication device for a pivot joint The invention is a ring-like lubrication device used in a pivot joint of the type connecting two members such as on an articulated agricultural tractor or wheeled loader. Such joint has a joint pin and a bearing permitting relative oscillating and articul... | 05/18/1993 |
| 5061109 | Fence post bracing and method of installation of same in a section of fence Improved fence bracing members, and a method of using the bracing members on metal T-posts of a fence. The bracing members include two substantially identical elongated first members each made of corrosion resistant tubing, and further having somewhat fle... | 10/29/1991 |
| 5054253 | Rigid grating mat with unidirectional elements A grating mat assembly is disclosed, which is of a generally rigid construction, as distinguished from an articulated, roll-up construction. Unlike conventional rigid grating mats, the structure of the present invention comprises a plurality of slot-like ... | 10/08/1991 |
| 4950098 | Slat fence retainer A slat fence retainer for retaining slats in a chain-link fence includes a horizontally disposed slat-retaining element having a pair of spaced apart side walls, a base joining the bottom margin of the side walls and an open top. The element includes a ve... | 08/21/1990 |
| 4267903 | Disk brake apparatus for motor vehicle A hydraulically operated disk brake apparatus for a motor vehicle comprises a brake disk, a caliper-like brake housing disposed to straddle over the brake disk and having a pair of arms, and a pair of brake pad assemblies disposed in the brake housing in ... | 05/19/1981 |
