| Patents for F16L 19 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts (6,962) |
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| 08/02/1990 | CA2008892A1 Pipe connection and a method of making same |
| 08/01/1990 | EP0379830A2 Fluid conduit coupling device |
| 07/31/1990 | US4944534 Frangible male coupling component |
| 07/25/1990 | EP0379401A1 Mounting device sealing ring for conduits of metal or plastics |
| 07/19/1990 | DE4000464A1 Pipe union nut locking method - locks nut to pipe using self-tapping screw |
| 07/18/1990 | EP0378493A1 Connecting device with a sealing ring for tubular elements |
| 07/12/1990 | WO1990007671A1 Pipe coupling |
| 07/10/1990 | US4940263 Fitting for tubing |
| 07/10/1990 | US4940260 Fluid conduit coupling device |
| 06/28/1990 | WO1990007076A1 Coupler with combination locking and bonding ring |
| 06/27/1990 | EP0375531A1 Device for tightly fastening the end of a flexible sleeve to the wall of a flexible pipe |
| 06/27/1990 | EP0375515A1 Dismountable coupling device between two parts subject to high stress |
| 06/27/1990 | CN2058715U Detachable pipe joint assembly |
| 06/20/1990 | EP0373272A1 Improvements in or relating to tube coupling sleeves |
| 06/19/1990 | US4934743 Assembly for forming a mechanical connection to an object |
| 06/14/1990 | CA2005263A1 Releasable connector for interconnecting two parts subjected to high stresses |
| 06/13/1990 | EP0372373A2 Coupling for technical gases and fluids |
| 06/12/1990 | CA1270278A1 Convertible flare/braze fitting |
| 06/06/1990 | EP0371063A1 Fire resistant pipe couplings. |
| 06/05/1990 | US4930816 Joining structures for metal pipes |
| 06/05/1990 | US4930791 Plastic bore seal |
| 05/30/1990 | EP0370986A2 Coupling for gas container |
| 05/29/1990 | CA1269685A1 Universal connector |
| 05/22/1990 | US4928202 Coupler with combination locking and bonding ring |
| 05/22/1990 | US4927192 Pipe connector load element |
| 05/09/1990 | EP0366789A1 Connection mechanism for thin-walled stainless steel pipes and joint |
| 05/08/1990 | US4923349 Threaded split coupling nut |
| 05/03/1990 | DE3836942A1 Releasable connection of a pipe portion on a wall or the like |
| 05/02/1990 | EP0365821A1 Pipe joint made of resin |
| 05/01/1990 | US4921284 High strength split clamp for pipe flanges |
| 04/24/1990 | US4919456 Union for pipe or tree with metal and resilient seals |
| 04/24/1990 | US4919455 Joint mechanism for thin-wall stainless steel pipe |
| 04/11/1990 | CN2055892U Ring-shaped tooth clamp sleeve connector |
| 04/10/1990 | US4915427 Coupling device for heavy-walled tubular members |
| 04/10/1990 | US4915425 Pipe connecting element |
| 04/10/1990 | US4915423 Remote release coupling |
| 03/28/1990 | EP0360690A1 Fluid-tight coupling device with a metal lip |
| 03/27/1990 | US4911481 High pressure press-in fitting |
| 03/14/1990 | EP0357849A1 Tube coupling |
| 03/14/1990 | CN2054513U Seizing ring type pipe connection |
| 03/13/1990 | CA1266696A1 Dual locking and retracting nut for laboratory tubing |
| 03/08/1990 | WO1990002287A1 A force concentrating unitary fitting |
| 02/28/1990 | EP0356364A1 Coupling especially for plastic pipes |
| 02/14/1990 | EP0354272A1 Flush packing |
| 02/08/1990 | WO1990001131A1 A force concentrating unitary fitting |
| 02/06/1990 | US4898705 Method for producing synthetic resin union joint |
| 02/01/1990 | DE3825779A1 Coupling for the releasable connection of two line end portions such as pipes or the like |
| 01/25/1990 | DE3824777A1 Positively locking, weld-free, solder-free and beading-free O-ring/shafted sealing cone pipe connection |
| 01/24/1990 | EP0351442A1 An improved structure for pipe fittings |
| 01/24/1990 | CN2051702U Reducing slip joint |
| 01/17/1990 | EP0350719A2 Fitting repair |
| 01/17/1990 | CN1038868A Quick-mountable pipe jointer |
| 01/16/1990 | US4893846 Connector fittings |
| 01/16/1990 | US4893657 Structure of the connecting end portion of composite tube having small diameter |
| 01/16/1990 | US4893601 Manifold for conveying a high-pressure fuel |
| 12/27/1989 | CN1006244B Coupling for corrugated conduit |
| 12/26/1989 | US4889368 Combination quick-connect and thread-disconnect tube connector |
| 12/19/1989 | US4887853 Method and apparatus for providing a unitary assembly of tubing and a terminating fitting |
| 12/19/1989 | US4887852 Pipe connector |
| 12/14/1989 | WO1989012190A1 Radial pressure seal |
| 12/13/1989 | CN1006086B Sealing ring |
| 12/12/1989 | US4886304 Abrasive grip pipe coupling |
| 12/12/1989 | US4886303 Coupling with improved elastomeric face seal |
| 12/05/1989 | CA1263677A1 Coupling device with hinged retaining catches |
| 11/23/1989 | DE3827070A1 Pressure-tight terminal connection |
| 11/22/1989 | CN1037385A Pipe clamping joint |
| 11/21/1989 | US4881763 Fuel injection line with compression nipple formed thereon by upsetting and process for the production thereof |
| 11/16/1989 | WO1989011058A1 Connection mechanism for thin-walled stainless steel pipes and joint |
| 11/07/1989 | CA1262641A1 Fatigue resistant coupling for tubular members |
| 11/02/1989 | DE3812211A1 Screw-connections for riser pipes for pumps in wells |
| 10/31/1989 | US4877271 Hydraulic connector |
| 10/25/1989 | CN1036629A Disconnectable conector for pipes and bars |
| 10/24/1989 | US4875711 Slender tube connector |
| 10/19/1989 | WO1989009904A1 Tube coupling |
| 10/17/1989 | US4874193 Heat-recoverable composition coupling device |
| 10/11/1989 | EP0335879A1 Fire resistant pipe couplings |
| 10/10/1989 | US4872712 Flange connection |
| 10/04/1989 | CN1005357B Flanged joints for elements or machines |
| 10/03/1989 | US4871199 Double bead tube fitting |
| 10/03/1989 | US4871196 Double shield fitting |
| 09/27/1989 | EP0333814A1 Connector with interchangeable annular metal joint |
| 09/21/1989 | WO1989006330A3 Tubular connection having a variable metal-to-metal seal width |
| 09/19/1989 | US4867489 Tube fitting |
| 09/19/1989 | US4867483 Pipe connector device |
| 09/12/1989 | US4865363 Pipe connection device for scientific equipment |
| 09/12/1989 | CA1259357A1 Joint for a pipe provided with a flared end |
| 09/05/1989 | US4863328 Locking mechanism for threaded components |
| 09/05/1989 | US4863202 Fluid connector assembly |
| 09/05/1989 | US4863198 Split gland |
| 08/30/1989 | CN2043700U Cone shape clamper with opening for quick connection |
| 08/29/1989 | US4861076 Gasket for sanitary pipe fittings |
| 08/16/1989 | EP0327714A2 Flanged joint with a seal |
| 08/15/1989 | US4857693 Method of forming stub ends |
| 08/10/1989 | WO1989007221A1 Clamping joint for pipes |
| 08/10/1989 | WO1989007220A1 Tubular connector with a ferrule and collet |
| 08/10/1989 | DE3802899A1 Pipe-clamping connection |
| 08/09/1989 | EP0327179A1 Pressure energized sealing joint |
| 08/09/1989 | EP0327080A1 Pipe coupling |
| 08/09/1989 | EP0326645A2 High-pressure pipe connection of a hydraulic fitting |
| 08/08/1989 | US4854597 Metal gasket having conical and radial sealing surfaces and method of using the gasket with a tubular element |