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| Number | Title | Issue Date |
| 7032935 | Self energizing connector The self energizing tube connector for engaging a pressurizable part made of a tube capable of sustaining pressures up to 50,000 psi without deforming is made of an upstream tube end and a downstream tube end; a ferrule with a front and rear ferrule, a lifting compo... | 04/25/2006 |
| 6824173 | High-pressure metal pine having connecting head and method of forming the connecting head as well as sleeve washer for the connecting head There is provided a high-pressure metal pipe which has a connecting head capable of solving the risk of cavitation erosion in the inside of the connecting head by changing the contour shape of a pocket or notch to be formed in the inside of the connecting head durin... | 11/30/2004 |
| 5580105 | Locking arrangement for a plumbing connection A locking device for securing a tube to a threaded nipple has a threaded nut for mating with the threaded nipple. The nut has a through opening formed therein and a camming surface formed in the opening. A locking member has a first body section adopted t... | 12/03/1996 |
| 4798404 | Pipe coupling The invention relates to a pie coupling, including a connection (3), arranged to receive with sliding fit a coupling member (5) which, on forced axial displacement into or in over the connection, is intended to act on clamping and sealing means (6), for t... | 01/17/1989 |
| 4705306 | Injection line connection An injection line connection for internal combustion engines having for each pressure connection a connecting fitting which hitherto was upset out of the material of the injection line but which is still defective and which can be pressed by a cap nut, by... | 11/10/1987 |
| 4679826 | High pressure hose fitting A high pressure hose fitting which includes a crimpable sleeve for use over a hose and a conical ferrule that separates the cord layer of the hose from the inner linings and clamps the cord layer ot the sleeve. A housing enclosed the fitting and provides ... | 07/14/1987 |
| 4676533 | Reversible lock and seal apparatus A reversible lock and seal apparatus for coupling swimming pool piping and fittings, comprising a frusto-conical U-cross section metal ring with longitudinally spaced circular rows of teeth, adapted to be cammed into piping by a follower coupled to the fi... | 06/30/1987 |
| 4602809 | Miniature O-ringless gas line isolator A separable electrical isolator for coupling two pieces of conductive tubing carrying high pressure cryogenic gas includes a gas-impervious dielectric spacer with a bore in which the pieces of tubing are sealed axially-aligned in fluid communication with ... | 07/29/1986 |
