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| Number | Title | Issue Date |
| 8100438 | Exhaust of a motor vehicle An exhaust system of a motor vehicle includes, but is not limited to an inner exhaust pipe that is inserted into an outer exhaust pipe in an overlap region, and the two exhaust pipes are crimped in the overlap region. ... | 01/24/2012 |
| 7237809 | Coiled tubing connector A tubing connector comprising a rigid member having a first end and a second end; a crimping groove disposed about the rigid member; and a sleeve fixably attached to the rigid member and covering the crimping groove. A method for connecting a tubing section to a rig... | 07/03/2007 |
| 6918617 | Self-centering soldered feed-through A soldered feed-through device that is inserted into a bulkhead opening has one or more sets of laterally protruding and symmetrically distributed teeth that cut through the bulkhead material as the feed-through is inserted into the bulkhead opening. The teeth autom... | 07/19/2005 |
| 6913293 | Spiral spline pipe joint apparatus and method A pipe joint apparatus and method using spiral groove halves formed on the nested surfaces of male and female pipe ends. The exterior half of the spiral groove is connected to an exit port. The interior half of the spiral groove has a proximal end recessed from edge... | 07/05/2005 |
| 4813590 | Method for joining plastic components To alter the surface qualities of nonreactive materials, such as polypropylene and polyethylene in order to provide a means for bonding the plastic to metal, hard granular materials of oxides or carbides are partially impregnated into the surface of the p... | 03/21/1989 |
| 4396213 | Method of joining pipe ends and joint formed thereby A soldered pipe joint and a method for making same, wherein the flow of solder from one end of the overlapped pipe ends is terminated at a set of axially aligned circumferential grooves formed in the two pipe ends.... | 08/02/1983 |
