| Patents for F16L 9 - Rigid pipes (18,006) |
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| 06/05/1996 | CN2228692Y Photovoltaic type solid state relay |
| 06/05/1996 | CN2228691Y Improved plug |
| 05/29/1996 | CN2228167Y Universal double-walled pipe |
| 05/28/1996 | US5520422 High-pressure fiber reinforced composite pipe joint |
| 05/28/1996 | US5520223 Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same |
| 05/22/1996 | CN2227776Y Telescopic supplemental core |
| 05/22/1996 | CN1122886A Self-locking quick pipe connector |
| 05/21/1996 | US5517843 Method for making upset ends on metal pipe and resulting product |
| 05/17/1996 | WO1996014531A1 Polyamide- and polyolefin-based ducts for transporting and/or distributing gas |
| 05/17/1996 | WO1996014205A1 Wood tubing |
| 05/17/1996 | CA2204367A1 Wood tubing |
| 05/15/1996 | DE19542069A1 Water-proof moulded component of water:glass-bonded silicate mineral |
| 05/15/1996 | CN2227248Y High-intensity metal carcase plastic compound tube |
| 05/15/1996 | CN2227247Y Fibre winding and sand adding pipeline |
| 05/15/1996 | CN1122525A Cable protection device |
| 05/11/1996 | CA2162622A1 Skinned double wall pipe and apparatus for making same |
| 05/09/1996 | WO1996013690A1 Furnace superheater and a fluidized bed reactor provided with a furnace superheater |
| 05/09/1996 | WO1996013680A1 Multi-layer fuel and vapor tube |
| 05/09/1996 | DE19509907C1 Hose arrangement for use in motor vehicles |
| 05/08/1996 | EP0710340A1 Plastic profiled strip forming helically wound tube using hinged flap for jointing |
| 05/02/1996 | WO1996012911A1 High-pressure fiber reinforced composite pipe joint |
| 05/02/1996 | WO1996012602A1 Multipurpose composite tubing |
| 05/02/1996 | DE19509937C1 Piping arrangement with no fasteners |
| 05/02/1996 | DE19504940C1 Multiple chamber tube with connecting piece at endface |
| 05/01/1996 | EP0709616A1 Swivel connection for cryogenic conduits |
| 05/01/1996 | CN1121569A A pipe for conveying fuel |
| 04/30/1996 | US5512342 Inner layer based on polyvinylidene fluoride; intermediate layer based on a blend of polyamide and polyglutarimide; improved resistance to methanol-containing fuels |
| 04/30/1996 | US5511613 Elongated heat exchanger tubes having internal stiffening structure |
| 04/25/1996 | WO1996011973A1 Waste plastic conversion |
| 04/24/1996 | CN1121133A Concrete column forming tube having a smooth inside coated surface and method of making same |
| 04/23/1996 | US5510071 Method and apparatus for production of tubing |
| 04/23/1996 | US5509240 System for forming lined passages through concrete walls |
| 04/18/1996 | WO1996011354A1 Chemically bonded multi-wall conduit |
| 04/17/1996 | EP0707169A1 Hose having an electrical conductive inner layer |
| 04/17/1996 | CN1120644A High pressure and strength plastic pipe, its pipe accessories and connection method |
| 04/16/1996 | US5507346 Composite well flow conductor |
| 04/11/1996 | DE19512525C1 Lightweight tubular component or hollow section with outer or inner sleeve |
| 04/09/1996 | US5505992 Hot melt spray cladding of innerduct liner |
| 04/02/1996 | US5504308 Synthetic resin tube for bending use and its bending method |
| 03/30/1996 | CA2159294A1 Revolving joint for cryogenic lines |
| 03/28/1996 | WO1996009486A2 Composite conduit for carrying fuel oil |
| 03/28/1996 | WO1996009159A1 Method of making internally reinforced composite tubes |
| 03/28/1996 | CA2179384A1 Composite conduit for carrying fuel oil |
| 03/26/1996 | US5501840 Multilobe tube able to withstand fatigue stresses |
| 03/26/1996 | US5501281 Torque-resistant, seal setting force-limited, hydraulically settable well packer structure and associated methods |
| 03/20/1996 | EP0702183A2 Concrete product with either internal or external sealing means |
| 03/19/1996 | US5500263 Multilayer plastic pipe |
| 03/19/1996 | US5500257 Method of preparing a fluoropolymer composite |
| 03/19/1996 | US5499885 Apparatus for joining structural components |
| 03/19/1996 | US5499681 Centralizing liner hanger method and system for subterranean multilateral well drilling |
| 03/19/1996 | US5499680 Diverter, diverter retrieving and running tool and method for running and retrieving a diverter |
| 03/14/1996 | WO1996007531A2 Method and device for producing pipes or tubular moulded bodies from polymer concrete |
| 03/14/1996 | DE4432333A1 Verfahren und Vorrichtung zur Herstellung von Formkörpern aus Polymerbeton Method and apparatus for production of shaped bodies made of polymer concrete |
| 03/14/1996 | CA2199602A1 Method and device for producing pipes or tubular moulded bodies from polymer concrete |
| 03/13/1996 | EP0701087A1 Hot-gas conduit with compensator |
| 03/13/1996 | EP0701045A2 Multilateral well drilling and completion method and apparatus |
| 03/13/1996 | EP0701044A2 Apparatus and method for hanging a downhole liner |
| 03/13/1996 | EP0701043A2 Torque-resistant well packer |
| 03/13/1996 | EP0701042A2 Decentring method and apparatus, especially for multilateral wells |
| 03/13/1996 | EP0701041A2 Well flow conductor and manufacture thereof |
| 03/13/1996 | EP0701040A2 Downhole diverter and retrieving tool therefor |
| 03/13/1996 | EP0673484A4 Corrosion resistant connection for use with tubular members. |
| 03/12/1996 | US5497809 Vented bending sleeves for coaxial tubing systems |
| 03/07/1996 | WO1996007089A1 Process and device for monitoring the tightness of pipelines, in particular sewage pipeline systems |
| 03/07/1996 | WO1996006707A1 Manufacture of internally enhanced welded tubing |
| 03/07/1996 | DE19531708A1 Korrosionsbeständige Überzugsanordnung aus Harz auf einem Metallrohr Corrosion-resistant coating arrangement of resin on a metal pipe |
| 03/07/1996 | CA2200360A1 Process and device for monitoring the tightness of pipelines, in particular sewage pipeline systems |
| 03/06/1996 | CN1118188A Piping element for burried conduit, corresponding burried conduit, and method for protecting said piping element |
| 02/29/1996 | DE4431367A1 Verfahren zur Überwachung der Dichtheit von Rohrleitungen, insbesondere Abwasserleitungssystemen, und eine Vorrichtung zur Durchführung des Verfahrens A method for monitoring the tightness of pipelines, in particular sewer line systems, and an apparatus for carrying out the method |
| 02/28/1996 | EP0698195A1 Inner lining for air conditioning duct |
| 02/28/1996 | EP0698155A1 Apparatus for joining structural components |
| 02/27/1996 | US5494953 Polypropylene composition with a high content of heavy mineral filler(s), suitable for coating metal pipes |
| 02/27/1996 | US5494374 Secondary containment flexible underground piping system |
| 02/27/1996 | US5494319 Sleeved flexible metal piping, method of manufacturing same and flue system application of same |
| 02/27/1996 | US5494209 Method for the manufacture of an internally enhanced welded tubing |
| 02/27/1996 | US5493820 Fire preventing duct system |
| 02/27/1996 | CA2156983A1 Centralizing liner hanger method and system for subterranean multilateral well drilling |
| 02/27/1996 | CA2156981A1 Composite well flow conductor for subterranean multilateral well drilling and completion and method of manufacture therefor |
| 02/22/1996 | DE4445382C1 Fast-curing moulded quartz sand polyurethane water filter pipe |
| 02/22/1996 | DE4432481C1 Druckfestes Wellmantelrohr Pressure resistant corrugated pipe |
| 02/21/1996 | EP0697553A1 Composite tube and method of producing the same |
| 02/21/1996 | EP0513292B1 Tube joint, in particular for composite tubes |
| 02/21/1996 | CN2220573Y Combined steel fibre concrete well wall pipe |
| 02/13/1996 | US5490542 Composite metal tube and method of making the same |
| 02/07/1996 | CN2219412Y Conductive resin covered steel pipe |
| 02/07/1996 | CN2219411Y Bimetallic tube |
| 02/01/1996 | WO1996002786A1 Composite pipe and fabrication method |
| 02/01/1996 | WO1996002785A1 Pipe |
| 01/31/1996 | EP0694726A1 High strength pipe joint with pressed key groove |
| 01/31/1996 | CN2218864Y Composite insulation pipe |
| 01/30/1996 | US5487412 Glass fiber airduct with coated interior surface containing a biocide |
| 01/30/1996 | CA2086032C Fluoropolymer composite tube and method of preparation |
| 01/25/1996 | DE4445794C1 Gas-duct inner tube externally joined to heavy metal formers |
| 01/17/1996 | CN1114932A Flexible sheath made of PVF3 and its application to flexible metal pipes |
| 01/17/1996 | CN1114931A Method and apparatus for producing a plastic pipe and a plastic pipe |
| 01/11/1996 | WO1996000867A1 Fluid circulation pipe |
| 01/11/1996 | WO1996000657A1 Composite fuel and vapor barrier tube and process for making same |
| 01/11/1996 | CA2193857A1 Fluid circulation pipe |
| 01/10/1996 | EP0691193A1 Method for the continuous production of a compound pipe formed from a metallic tube and an inner plastic tube |
| 01/10/1996 | CN2217158Y Thermal insulation tube |