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| Number | Title | Issue Date |
| 3999825 | Tubing coupling with electrical bonding A tubing coupling suitable for large diameter fuel lines in aircraft. A coupling comprising ferrules for the tubing ends with annular seals on each ferrule, a band positioned over the seals, a retainer with hinged sections positioned around the band and f... | 12/28/1976 |
| 3997198 | Swivel joint construction for pressure containing conduit A swivel joint for pressure containing conduits such as movable flow lines may comprise a pair of hub elements each having means establishing interconnection with a section of flow line, the hub elements being abutted in such a manner as to define a flow ... | 12/14/1976 |
| 3994514 | Flexible joint for an overhead irrigation system The adjacent extremities of two lengths of irrigation pipe are axially aligned in a spaced relationship within a longitudinally split, bolt closed coupler sleeve. The coupler sleeve has a diameter greater than that of the pipes and contains a one-piece se... | 11/30/1976 |
| 3993331 | Electrically insulating pipe coupling Two sockets of electrically conducting material are provided, each of which has a free end face spaced from the other socket. A tubular coupling member is provided, which consists of plastics material in which reinforcements are embedded. Said coupling me... | 11/23/1976 |
| 3982779 | Clamps for joining tubes or tubular structural members A clamped assembly comprising one or more clamps securing tubes or tubular members together has the clamp or each clamp formed of two parts securable together, the clamping parts having a regular array of surface singularities, e.g. protruberances, which ... | 09/28/1976 |
| 3966237 | Pipe coupling for large diameter pipe A pipe coupling includes arcuate shaped housing segments for positioning on the enlarged diameter ends of thin wall large diameter pipe as a complete coupling. The inside diameter of the coupling housing is larger than the corresponding pipe diameter such... | 06/29/1976 |
| 3954288 | Pipe fitting with self-testing seals and method A split coupling for repairing, hot tapping, or joining pipelines, and particularly underwater pipelines, is disclosed. The coupling comprises a pair of members each having semicylindrical inner surfaces and a pair of faces adapted to oppose the faces of ... | 05/04/1976 |
| 3944260 | Pipe repair fittings Repair fittings are provided sealing ruptures or leaks in existing piping systems. The fittings are economical to produce and can be simply installed to provide effective and reliable leak protection. The fittings are of the gasket type and include a pair... | 03/16/1976 |
| 3944265 | Exhaust system connector seal A method and apparatus for joining two tubular members in a strong, leak-proof fashion in which a band of ductile metal is passed around the adjacent ends of the members and circumferentially stressed beyond its elastic limit to conform intimately with th... | 03/16/1976 |
