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| Number | Title | Issue Date |
| 4601495 | Pipeline system and method of assembly A method of assembling a pipeline system and the pipeline system resulting therefrom involves providing pipes and associated conduit members with plural axially spaced key engagement members adjacent the ends thereof, and securing adjacent ends of the pip... | 07/22/1986 |
| 4522434 | Multiple key segmented pipe coupling Segments of a coupling for use in a high-pressure piping system are provided with cast multiple keys in their as cast condition, and which are for reception within corresponding plural or multiple grooves in pipe ends, crushing of the operative faces of t... | 06/11/1985 |
| 4461498 | Coupling members for pipeline assemblies According to the present invention, a coupling member assembly is provided which is of multiple-part construction, and which includes an inexpensive and readily replaceable conduit member formed from an abrasion resistant material, the conduit member bein... | 07/24/1984 |
| 4165892 | Coupling for releasably securing one end of a rod-like member The invention provides a coupling for releasably securing one end of a rod-like member. To this end a body is dimensioned to receive the rod end and support a locking element. The locking element is displaceable with respect to the body to engage the rod ... | 08/28/1979 |
| 4157195 | Junction coupling for providing a fluid flow branch from a main conduit The invention provides a junction coupling for branching a flow of fluid from a pipe or conduit. The junction coupling is essentially C-shaped and is dimensioned partly to surround such pipe or conduit. Opposite limbs of the C-shaped member carry, on the ... | 06/05/1979 |
| 4043358 | Flapper check valve Two half-discs of a flapper type check valve are mounted on an internally supported shaft in a two piece valve body to swing from a coplanar closed position to a back-to-back relationship when the valve is fully open. Stops integrally formed within a bell... | 08/23/1977 |
| 3995466 | Machine for roll grooving of pipe A machine for semi-automatic grooving of pipe, capable of high output of full or less than full lengths of pipe with uniform external circumferential grooves, has supporting idler rolls for automatic positioning of the pipe axis at a small angle of deflec... | 12/07/1976 |
