| Patents for F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general (669) |
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| 10/27/1992 | WO1992019902A1 A suspension device for an oil transferring pipe or hose |
| 09/09/1992 | EP0502072A1 Thermoplastic saddle in two parts for repairing or renovating a pipeline with branch pipe and repaired or renovated pipe with a saddle. |
| 07/23/1992 | WO1992012844A1 Variable angular insertion method for lining tubular members |
| 07/23/1992 | CA2100968A1 Variable angular insertion method for lining tubular members |
| 06/28/1992 | WO1992012377A1 Low spill identical half coupling |
| 06/27/1992 | WO1992012376A1 Stiffener with reinforced structure |
| 06/27/1992 | CA2075906A1 Stiffener with reinforced structure |
| 06/17/1992 | EP0489891A1 Process for sealing and renovating the inside of systems of laid ducts. |
| 05/20/1992 | CA2035244A1 Fitting and its production method |
| 05/09/1992 | WO1992008921A1 Improvements in or relating to the lining of passageways |
| 05/09/1992 | CA2095834A1 Lining of passageways |
| 04/22/1992 | EP0406238B1 Method and means for connecting a branch conduit to an existing conduit |
| 03/31/1992 | US5099883 Low spill identical half coupling |
| 02/25/1992 | US5091037 Apparatus for the manufacture of insulating chutes |
| 02/14/1992 | CA2048736A1 Low energy fuse |
| 02/12/1992 | EP0470146A1 Apparatus for use in renovation of tube systems, in particular sewer tube systems. |
| 01/29/1992 | EP0348387B1 Continuous tapping device |
| 01/28/1992 | WO1992002751A1 Casing and flexible tubular duct comprising same, and production method therefor |
| 01/28/1992 | CA2065840A1 Casing and flexible tubular duct comprising same, and production method therefor |
| 01/08/1992 | EP0464121A1 Improvements relating to the lining of pipelines or passageways. |
| 01/08/1992 | EP0262203B1 Fire resistant plastic pipe |
| 01/04/1992 | WO1992001191A1 Process and device for sealing and renovating the inside of systems of laid ducts |
| 12/27/1991 | EP0375674B1 A quick coupling for interconnection of two high-pressure fluid conduits |
| 11/19/1991 | US5065780 Method and means for connecting a branch conduit to an existing conduit |
| 10/30/1991 | EP0311635B1 Method of joining tubes having a corrugated wall of plastic material |
| 10/30/1991 | EP0302061B1 Pipe for relining underground pipelines |
| 10/11/1991 | WO1991015705A1 Connecting element |
| 10/09/1991 | EP0264420B1 Pipeline vehicle |
| 10/03/1991 | WO1991014896A1 Pipeline and passageway lining materials |
| 10/01/1991 | US5053097 Method of joining tubes having a corrugated wall of plastic material |
| 09/19/1991 | WO1991014126A1 Flexible pipeline element with thermal insulation |
| 09/19/1991 | WO1991013608A1 Dentifrice inhibiting dental plaque |
| 09/17/1991 | US5048874 Quick coupling for interconnection of two high-pressure fluid conduits |
| 09/12/1991 | DE4106877A1 Flexible, gas-tight pipeline coupler |
| 09/11/1991 | EP0445352A1 Flexible pipe component with heat insulation |
| 08/21/1991 | EP0441814A1 Method for heating a transport pipeline, as well as transport pipeline with heating. |
| 08/21/1991 | CA2036628A1 Elastic metal clamp for connecting pipes |
| 07/19/1991 | WO1991010861A1 Fluid couplings |
| 07/19/1991 | WO1991010555A1 Improvements relating to the lining of pipelines or passageways |
| 07/19/1991 | CA2073176A1 Lining of pipelines or passageways |
| 07/16/1991 | CA1286092C Clamping sleeve for pipes |
| 07/03/1991 | EP0434791A1 Composite plastic pipe. |
| 06/29/1991 | CA2012119A1 Collet type connector |
| 05/22/1991 | WO1991007619A1 Thermoplastic saddle in two parts for repairing or renovating a pipeline with branch pipe and repaired or renovated pipe with a saddle |
| 05/22/1991 | CA2068523A1 Thermoplastic saddle in two parts for repairing or renovating a pipeline with branch pipe and repaired or renovated pipe with a saddle |
| 03/26/1991 | CA1282091C Seal for threaded pipe connection |
| 03/20/1991 | CN1012101B Method for manufacturing plastic pipe body connected with sealing body of thermoplastic elastomer |
| 03/19/1991 | CA1281662C Fire resistant plastic pipe |
| 02/06/1991 | CN1011532B Apparatus for manufacture of insulating chutes |
| 01/21/1991 | WO1991001452A1 Flow conditioner |
| 01/10/1991 | WO1991000466A1 Composite plastic pipe |
| 01/09/1991 | EP0406387A1 Coupling for joining flexible tubing for medical purposes. |
| 01/09/1991 | EP0406238A1 Method and means for connecting a branch conduit to an existing conduit. |
| 12/18/1990 | US4977931 Method of producing reinforced ribbed tubes |
| 12/05/1990 | EP0400689A1 Thermally insulated pipe for conveying fluids |
| 12/05/1990 | EP0400024A1 An apparatus for the manufacture of insulating chutes. |
| 11/29/1990 | WO1990014552A1 Method for producing long, isolated pipes in the form of a sandwich construction |
| 10/27/1990 | WO1990012979A1 Apparatus for use in renovation of tube systems, in particular sewer tube systems |
| 10/09/1990 | US4961598 Welded pipe joint |
| 10/04/1990 | WO1990011468A1 Improvements relating to the lining of pipelines or passageways |
| 10/04/1990 | WO1990011175A1 Improvements relating to flexible tubular structures, methods of manufacturing same and pipes and pipe linings formed from said flexible tubular structures |
| 08/07/1990 | US4945950 Continuous tapping device |
| 07/26/1990 | WO1990007953A1 Coupling for joining flexible tubing for medical purposes |
| 07/04/1990 | EP0375674A1 A quick coupling for interconnection of two high-pressure fluid conduits. |
| 05/17/1990 | WO1990005266A1 Method for heating a transport pipeline, as well as transport pipeline with heating |
| 05/01/1990 | US4921018 Heat insulated line for the transport of fluids |
| 03/28/1990 | EP0360758A2 Method for producing conduit parts of plastics, an inorganic filler and glass fibres by centrifugal casting, and conduit part produced by this method |
| 01/03/1990 | EP0348387A1 Continuous tapping device. |
| 11/28/1989 | CA1263419A1 Pipe joint seal |
| 09/26/1989 | US4868967 Doubled-walled covering filled with a friction-reducing liquid to revolve and slide over a substrate; cable and pipe weatherproofing protection |
| 09/20/1989 | EP0332661A1 A welded pipe joint |
| 08/30/1989 | CN1035170A Apparatus for manufacture of insulating chutes |
| 08/29/1989 | US4860798 Reinforced flexible hose |
| 08/24/1989 | WO1989007733A1 An apparatus for the manufacture of insulating chutes |
| 08/01/1989 | US4852391 Pipeline vehicle |
| 06/01/1989 | WO1989004938A1 Method and means for connecting a branch conduit to an existing conduit |
| 04/19/1989 | EP0311635A1 Method of joining tubes having a corrugated wall of plastic material. |
| 02/09/1989 | WO1989001111A1 Process for renewing the inside inacessible pipes |
| 02/08/1989 | EP0302061A1 Pipe for relining underground pipelines. |
| 02/01/1989 | EP0301204A1 Lining for the internal renovation of pipelines and use thereof |
| 01/11/1989 | CN1030284A Welded pipe joint |
| 12/01/1988 | WO1988009459A1 A quick coupling for interconnection of two high-pressure fluid conduits |
| 11/29/1988 | US4788090 Fire resistant plastic pipe |
| 09/14/1988 | EP0177548B1 A pulsation damper for absorbing pressure pulsations in a high pressure hydraulic system. |
| 08/11/1988 | WO1988005881A1 A welded pipe joint |
| 08/02/1988 | CA1239956A1 Coupling device for making a permanent pipe connection |
| 05/19/1988 | WO1988003626A1 Continuous tapping device |
| 05/19/1988 | DE3739039A1 Zweiweganschlussteil mit unabhaengigen regelventilen fuer wasserhahn Zweiweganschlussteil with independent control valves for water closet |
| 05/10/1988 | US4743422 Method for manufacturing a sealing body for a pipe joint |
| 04/27/1988 | EP0264420A1 Pipeline vehicle. |
| 04/27/1988 | EP0193529B1 Flexible hose having an end connection fitting |
| 04/27/1988 | EP0159997B1 Coupling device for the permanent connection of pipes |
| 04/06/1988 | EP0262203A1 Fire resistant plastic pipe. |
| 03/30/1988 | EP0261105A1 Device for reducing duct-carried air-borne sound |
| 02/09/1988 | CA1232463A1 Method for producing hollow structures and hollow structures |
| 01/20/1988 | EP0252906A1 A vessel for laying of flexible tubes deeply into the bottom sediment of shallow lakes and similar waters |
| 12/30/1987 | WO1987007935A1 Method of joining tubes having a corrugated wall of plastic material |
| 12/08/1987 | CA1230040A1 Method and equipment for the insulation of pipes, in particular of oil or gas pipes |
| 11/10/1987 | CA1229104A1 Flow check prevention mechanism |
| 10/22/1987 | WO1987006323A1 Pipeline vehicle |