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| Number | Title | Issue Date |
| 7390031 | Quick-connect conduit coupling device A coupling device for releasably interconnecting conduit elements includes two coupling members, each having a central opening therethrough. A tapered pocket is defined in one coupling member to act as a seat for slidingly receiving the other coupling member, which ... | 06/24/2008 |
| 7341284 | Joint assembly for flexible and semi-rigid pipings A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cro... | 03/11/2008 |
| 7201404 | Union nut with lock member Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial col... | 04/10/2007 |
| 7021677 | Seal retainer with metal seal members for undersea hydraulic coupling An improved seal retainer for an undersea hydraulic coupling member, which utilizes metal seals to maintain fluid integrity, is disclosed. The metal seals of the present invention are designed to either create an absolute barrier to fluid flow, or utilize a press or... | 04/04/2006 |
| 7014216 | Joint assembly for flexible and semi-rigid pipings A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cro... | 03/21/2006 |
| 4971474 | Quick connect coupling A coupling device has a transversely arranged, open-end groove (30) in a flange attached to a pipe end. The groove in the flange receives a circumferentially arranged locking flange element (76) on the other coupling member and permits alignment of the bo... | 11/20/1990 |
| 4479511 | One-man brake check valve and coupler assembly A combination one-way check valve and coupler assembly is shown for use in bleeding air from the wheel brake cylinders of automobiles and the like. This one-way check valve is adapted to be attached to a standard bleeder valve that is assembled to each wh... | 10/30/1984 |
