| Patents for F16L 21 - Joints with sleeve or socket (9,147) |
|---|
| 06/21/1977 | US4030872 Combined mould element and sealing ring |
| 06/14/1977 | US4029441 Tubing means for roller pump |
| 06/07/1977 | US4027904 Device for a tensile locking of pipe elements |
| 06/07/1977 | US4027901 Asbestos-cement pipe fitting and method for making it |
| 05/31/1977 | US4026586 Plain end pipe joint |
| 05/31/1977 | US4026584 Coupling for conduits |
| 05/17/1977 | US4023835 Conformable thin-wall shear-resistant coupling and pipe assembly |
| 05/17/1977 | US4023834 Push-type coupling and conduit pipe assembly |
| 04/19/1977 | US4018461 Sealed joint having a socket |
| 03/08/1977 | US4010966 Pipe coupler |
| 02/08/1977 | US4006921 Pipe coupling |
| 02/08/1977 | US4006920 Joint assembly for insulating high temperature fluid carrying conduits |
| 02/08/1977 | US4006757 Pipe bell end having a thickened portion and apparatus for forming the bell end |
| 01/18/1977 | US4003591 Plastic socket made of fibre reinforced thermosetting resin material |
| 12/28/1976 | US3999825 Tubing coupling with electrical bonding |
| 12/28/1976 | US3999782 Connector apparatus |
| 12/21/1976 | US3998478 Joint construction with sealing gasket for joints with plastic or other pipes |
| 12/14/1976 | US3997199 Pipe coupling |
| 12/14/1976 | US3997140 Refrigerant line connecting tee with step diameter bushing |
| 12/07/1976 | US3995897 Coupling |
| 11/23/1976 | US3993334 Pipe jointing piece with O-rings |
| 11/23/1976 | US3993331 Electrically insulating pipe coupling |
| 11/16/1976 | US3992568 Electrically conductive pipe coupling |
| 11/02/1976 | US3989439 Device for forming tube sockets |
| 10/19/1976 | US3986731 Repair coupling |
| 10/19/1976 | US3986583 Force transmitting coupling |
| 09/28/1976 | US3982779 Clamps for joining tubes or tubular structural members |
| 09/14/1976 | US3980311 Joint assembly for vertically aligned sectionalized manhole structures incorporating D-shaped gaskets |
| 08/31/1976 | US3977702 Pipe coupling with retrievable setting means |
| 08/17/1976 | US3975181 Fluoropropionic acids or amides and a chloroalkanoic acid, amide or salt |
| 07/27/1976 | US3971574 Pipe coupling |
| 07/06/1976 | US3967837 High pressure coupling apparatus |
| 06/15/1976 | US3963267 Fluid connector |
| 06/01/1976 | US3960395 Expansion clamp |
| 05/25/1976 | US3958817 Double tapered pipe coupling |
| 05/25/1976 | US3958313 Method, apparatus and product for improved pipe-to-manhole sealing |
| 05/18/1976 | US3956817 Method of making a pipe joint |
| 05/11/1976 | US3955834 Apparatus for connecting ducts with a self-sealing joint |
| 05/04/1976 | US3954290 Rain guard for upwardly extending exhaust pipes |
| 04/20/1976 | US3951420 Elastic roll ring |
| 03/16/1976 | US3944265 Exhaust system connector seal |
| 03/16/1976 | US3943961 Cock unit for hydraulic systems, with interchangeable delivery spouts |
| 03/02/1976 | US3941410 Pipe joint construction |
| 02/17/1976 | US3938834 Pipe connection for plastic pipes comprising a transversely or helically corrugated pipe-connecting part |
| 02/10/1976 | US3937500 Device for connecting telescoping pipes |
| 02/03/1976 | US3936081 Pipe joint and method of making same |
| 01/20/1976 | US3933377 Hanger assembly for pipe |