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| Number | Title | Issue Date |
| 7204521 | Coupling disconnect prevention device A device for shielding a coupling includes a generally central opening in which the coupling is disposed and at least one socket hole into which only a thin wall deep socket can operate to engage and disengage a screw into and from said socket hole. The device preve... | 04/17/2007 |
| 6860688 | Lockable nut system A lockable nut system for use with threaded steel bar which includes a screw threaded nut for engagement with the threaded steel bar and a locking member which is slidably engageable with the bar. The locking member is adapted to resist rotation about the bar and is... | 03/01/2005 |
| 6139068 | Union lock for maintaining connection between two conduits A union lock for maintaining a union between two conduits is disclosed. In a first embodiment, the union lock includes a pair of bridgepieces. Each of the bridgepieces includes an elongated member. A substantially semicircular flange is coupled to each en... | 10/31/2000 |
| 6019558 | Nut and bolt securing device A nut and bolt securing device is disclosed to prevent loosening of the assembly due to environmental conditions. In a first version of the invention the two piece device is fitted over a nut and a portion of a bolt extending from the nut, the two section... | 02/01/2000 |
| 4940374 | Locking bolts for vehicle exhaust manifold pipes An anti-rotation locking assembly for releasably fastening automotive exhaust pipes and exhaust manifolds to an engine block is disclosed comprising a threaded bolt with hex-wrenching recess and a hyperbolic locking plate with hex-stud which fits into the... | 07/10/1990 |
