| 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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| 07/27/1989 | DE3810351A1 Connection piece |
| 07/27/1989 | DE3800725A1 Sealing ring for screwed pipe couplings |
| 07/26/1989 | CN2041757U High-pressure tube joint |
| 07/26/1989 | CN1034255A Pipe joint element |
| 07/18/1989 | US4848807 Lip seal fitting |
| 07/18/1989 | US4848802 Tubing connector assembly |
| 07/13/1989 | WO1989006330A2 Tubular connection having a variable metal-to-metal seal width |
| 07/12/1989 | CN2040981U 可伸缩接头 Scalable joints |
| 07/12/1989 | CN2040980U V-form pipe joint |
| 07/05/1989 | EP0322508A1 Pipe joint element |
| 07/05/1989 | CN2040574U Decorating pipe joint part |
| 07/04/1989 | US4844517 Tube coupling |
| 07/04/1989 | US4844515 Fuel connection |
| 06/22/1989 | DE3741446A1 Connection piece |
| 06/21/1989 | CN2039785U Pipe joint for central heating |
| 06/13/1989 | US4838583 Fluid coupling |
| 06/07/1989 | EP0318715A1 Pipe joint |
| 06/07/1989 | EP0219492B1 A joint for a pipe provided with a flared end |
| 06/07/1989 | EP0173691B1 Pipe joint |
| 06/06/1989 | US4836584 Serviceable threaded conduit coupling |
| 06/06/1989 | US4836583 Pipe connection for instruments or machines |
| 06/06/1989 | CA1255341A1 Process for forming removable fluid tight sealing connections for high pressure ducts |
| 06/01/1989 | WO1989004937A1 Universal coupling for a faucet |
| 06/01/1989 | DE3830241A1 Pipe connection |
| 05/31/1989 | EP0318299A1 Universal coupling for a faucet |
| 05/23/1989 | US4832379 Collet grip riser fitting |
| 05/23/1989 | US4832376 Connection structure for branch pipe in high-pressure fuel manifold |
| 05/18/1989 | DE3743170C1 Pipe screw-connection |
| 05/16/1989 | CA1254248A1 Pipe coupling |
| 05/02/1989 | US4826218 Coupling device for heavy-walled tubular members |
| 04/25/1989 | US4824145 Coupling components |
| 04/20/1989 | WO1989003495A1 Connector with interchangeable annular metal joint |
| 04/18/1989 | US4822082 Tube connector |
| 04/18/1989 | US4822076 Universal coupling for a faucet |
| 04/11/1989 | US4820288 Connector for therapeutic tubing and medical solution bag device using the connector |
| 04/11/1989 | US4819973 Hermetic connection device and method of providing hermetic connection |
| 04/11/1989 | CA1252450A1 Flanged valve |
| 04/06/1989 | DE3731222A1 Pipe screw-connection for pipe connections or the like, in particular for the construction work of heating systems |
| 04/04/1989 | US4817962 Universal tubular connection having a variable metal-to-metal seal width corresponding to material yield strength |
| 03/29/1989 | EP0309179A1 Tube fitting |
| 03/23/1989 | DE3827243A1 Rohrverschraubung mit dichtelement fuer radiale und axiale montage Pipe union with sealing element for radial and axial mounting |
| 03/22/1989 | EP0307531A1 Sealing fittings for fluids |
| 03/22/1989 | CN1031888A Force concentrating unitary fitting |
| 03/15/1989 | EP0306770A1 Sticking joint for compressed air lines out of plastic |
| 03/14/1989 | US4811976 Nut holding thrust bearing and highly hermetical sealing fluid joint with the same nut |
| 03/14/1989 | CA1251238A1 Heavy duty tube coupling |
| 03/14/1989 | CA1251237A1 Hydraulic hose adapter with o-ring seal |
| 03/08/1989 | CN2033875U Pipeline movable connector |
| 03/07/1989 | US4810010 Composite tubing connector assembly |
| 03/07/1989 | CA1250736A1 Method and device for connecting a submersible element to an enclosure under very high pressure |
| 02/23/1989 | WO1989001586A1 Fire resistant pipe couplings |
| 02/21/1989 | US4807262 Apparatus for sealing the seam between two conduits |
| 02/21/1989 | US4805945 Tube joint comprising means for anchoring a sleeve at its end |
| 02/21/1989 | US4805944 Beaded tube coupling with end seal ring |
| 02/07/1989 | US4802695 Pipe screwed connection |
| 02/07/1989 | CA1249854A1 Coupling for use in testing watertightness of devices such as radiators |
| 02/01/1989 | CN2031868U Movable joint valve |
| 01/31/1989 | US4801160 High-pressure fluid flow connector |
| 01/25/1989 | EP0300759A1 Hydraulic coupling having an orifice structure |
| 01/25/1989 | EP0300327A2 High pressure press-in connection |
| 01/24/1989 | US4799717 Torque lock fitting arrangement |
| 01/18/1989 | EP0299112A1 A force concentrating unitary fitting |
| 01/17/1989 | US4798404 Pipe coupling |
| 01/04/1989 | CN2030276U Fast connector for steam-injecting pipe |
| 01/04/1989 | CN2030275U Tube clip type pipe joint |
| 12/27/1988 | US4793636 Apparatus for joining hoses with connecting pieces |
| 12/20/1988 | US4792160 Structure for pipe fittings |
| 12/20/1988 | US4791716 Method and apparatus for securing a connector to a pipe |
| 12/15/1988 | WO1988009864A1 Assembly for and method of coupling adjacent sections of a string of pipes |
| 12/15/1988 | DE3716881A1 Device for the connection between a tubular line and a transition piece |
| 12/07/1988 | EP0294088A2 Assembly for and method of coupling adjacent sections of a string of pipes |
| 12/07/1988 | CN88201206U Changable fast joint |
| 12/06/1988 | CA1246118A1 Pipe joint |
| 12/06/1988 | CA1246117A1 Flat-face tube connector |
| 11/29/1988 | US4787656 Capillary tubing coupler |
| 11/24/1988 | DE3715319A1 Detachable coupling for the supply line to a Joule-Thomson cooler |
| 11/23/1988 | EP0292164A2 Hose pipe |
| 11/15/1988 | US4784412 Molded fluid conduit fitting with integral swivel nut |
| 11/10/1988 | DE3714723A1 Device for the axial fixing of two concentric parts |
| 11/09/1988 | EP0290291A2 Hose pipe |
| 10/25/1988 | US4779903 Sealing ring |
| 10/19/1988 | CN88201237U Connector of fire fighting pump |
| 10/18/1988 | US4777901 Security marking fluid device |
| 10/18/1988 | US4777669 Flush valve/flush tube connection |
| 10/12/1988 | EP0286568A1 Hydraulic connector |
| 10/12/1988 | EP0285677A1 Clamping connection for pipelines under pressure |
| 10/11/1988 | US4776618 High pressure coupling |
| 10/04/1988 | US4775008 Adjustable cement head manifold |
| 08/23/1988 | US4765661 Union joint assembly |
| 08/23/1988 | US4765145 Connector assembly |
| 07/13/1988 | EP0274162A2 Adjustable cement head manifold |
| 07/05/1988 | US4754995 Thin-walled connecting pipe for pipeline and coupling structure for same |
| 06/29/1988 | EP0272511A2 Method of making pipe joints for high pressure hydraulic pipelines |
| 06/16/1988 | WO1988004385A1 Fire resistant pipe couplings |
| 06/16/1988 | DE3641548A1 Radial knife-edge seal |
| 06/14/1988 | US4750762 Axially split clamp for push-on couplings |
| 06/08/1988 | CN87204619U Pipe connection and its sealing device |
| 05/19/1988 | DE3737062A1 Pipe connection |
| 05/19/1988 | DE3637975A1 Pipe connection |
| 05/11/1988 | EP0267116A1 Devices for hermetical tube connections with an S-shaped deformable sealing gasket, and use of such a device |