| Patents for F16L 9 - Rigid pipes (18,006) |
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| 04/06/2007 | CA2560647A1 Fail safe secondary containment system for a cryogenic liquid transport pipeline |
| 04/05/2007 | US20070074779 Safety piping system |
| 04/05/2007 | US20070074778 Method for manufacturing and heat-insulated pipes for conveying hot or cold fluids |
| 04/05/2007 | US20070074777 Exhaust pipe for internal combustion engine, and internal combustion engine and transportation apparatus incorporating the same |
| 04/05/2007 | CA2602124A1 Vacuum insulated exhaust system |
| 04/04/2007 | EP1769181A2 Improvements in tubular bodies and methods of forming same |
| 04/04/2007 | EP1597505B1 Hollow profile used in the manufacture of a pipe |
| 04/04/2007 | EP0921921B2 Method for heating and/or cross-linking of polymers and apparatus therefor |
| 04/04/2007 | CN2886274Y Polyurea anti-corrosion counterweight pipe |
| 04/04/2007 | CN2886273Y Single layer thermal insulation counterweight pipe |
| 04/04/2007 | CN2886272Y Interlaced connection composite air duct without flange |
| 04/04/2007 | CN2886271Y PVC double flat enwound pipe section bar |
| 04/04/2007 | CN2886270Y Enhanced type enwound structure wall pipe |
| 04/04/2007 | CN1942305A Fluid transfer member |
| 04/04/2007 | CN1940370A Reinforced composite pipe and manufacturing apparatus thereof |
| 04/04/2007 | CN1940369A Low-strength external thickening oil pipe and its production |
| 04/04/2007 | CN1940368A N80-1 external thickening oil pipe and its production |
| 04/04/2007 | CN1939645A Composite material and technique for producing same |
| 04/04/2007 | CN1308134C Steel band reinforced plastic drainpipe and method and apparatus for manufacturing the same |
| 03/29/2007 | WO2006123260A3 Solvent weldable / adhesive bondable polyolefin pipe and pipe-fitting |
| 03/29/2007 | US20070068589 Intake duct |
| 03/29/2007 | DE102005045011A1 Large diameter pressure tube for transporting liquids and gases in main pipelines comprises a casing made from sheet steel leaves with edges which are bent outward |
| 03/28/2007 | EP1765534A2 Method and apparatus for forming a heat exchanger |
| 03/28/2007 | CN2883855Y Metal reinforced low pressure bellows |
| 03/28/2007 | CN2883854Y Large aperture reinforced hollow structural wall tubing |
| 03/28/2007 | CN2883853Y Reinforced composite tube and maker for the same |
| 03/28/2007 | CN2883852Y Plastic tube having metal winding electric molten interface |
| 03/28/2007 | CN2883851Y Tubing having polythane wound structural wall |
| 03/28/2007 | CN2883850Y Assembling composite plate airduct |
| 03/28/2007 | CN1938149A Lined vessels for conveying chemicals |
| 03/28/2007 | CN1936404A Continuous-composite-winding socket type structure-wall pipe material and processing method |
| 03/28/2007 | CN1936403A Hollow reniforced structure gas pipe material put in or out from wall |
| 03/27/2007 | US7195290 Apparatus for a fire-rated duct |
| 03/27/2007 | CA2405519C Method for manufacturing curved thermoplastic tubes |
| 03/22/2007 | WO2007031156A1 Pressure pipe comprising a multimodal polyethylene composition with an inorganic filler |
| 03/22/2007 | WO2006129029A3 Multilayer tube for transporting water or gas |
| 03/22/2007 | DE10359746B4 Montageträger für eine Instrumententafel Mounting support for an instrument panel |
| 03/22/2007 | DE102006040994A1 Pressure pipe for hydraulic system, has end-sided apposite connectors and reference value of plastic pipe, which is sum of square of outer diameter and square of inner diameter, is less than seventy square mm |
| 03/22/2007 | DE102005044376A1 Click-tube produced from deformed metal strip for silencer has two-side connection with flange segments, integrated click system and positioning stamps in joint surfaces |
| 03/21/2007 | EP1764540A1 Tubular body made of helically wound strip |
| 03/21/2007 | EP1311739B1 Pipe assembly |
| 03/21/2007 | CN2881269Y Composite winding pipe material |
| 03/21/2007 | CN2881268Y Double-wall corugated pipe with bilayer wall spigot-and socket mouth |
| 03/21/2007 | CN2881267Y Circular reinforced structure plastic pipe |
| 03/21/2007 | CN2881266Y Copper composite tube |
| 03/21/2007 | CN1934385A Resin tube for fuel piping |
| 03/21/2007 | CN1934384A A crosslinked ethylene polymer pressure pipe and a method for the preparation thereof |
| 03/21/2007 | CN1932362A Stainless steel and aluminium composite pipe |
| 03/21/2007 | CN1932361A Copper and aluminium composite pipe |
| 03/21/2007 | CN1306673C Underground conduit tube for communication cable |
| 03/21/2007 | CN1306208C Method for inhibiting external corrosion on insulated pipeline |
| 03/21/2007 | CN1306203C Multiplayer composite tube made from polymer possessing texture in nano layer and making method |
| 03/21/2007 | CN1306202C Polyamide-based multilayer tube for transferring fluids |
| 03/20/2007 | USRE39521 Ribbed core dual wall structure |
| 03/15/2007 | US20070056650 Material composite with explosion-welded intermediate piece and method of producing a material composite |
| 03/15/2007 | DE102005043093A1 Flat aluminum tube used in vehicle heat exchanger to cool supercharged air or alternatively in air heater, is made from single metal strip and contains wavy insert extending across full width |
| 03/14/2007 | EP1762767A2 Pressure line |
| 03/14/2007 | EP1552203B1 Sandwich pipes for ultra-deep waters |
| 03/14/2007 | CN2878849Y Flanging lock pipe |
| 03/14/2007 | CN2878848Y High strength steel plate skeleton plastic compound pipeline |
| 03/14/2007 | CN2878847Y Common-flange colorful steel plate compound wind pipe |
| 03/14/2007 | CN2878846Y Plastic seamless air duct cylinder |
| 03/14/2007 | CN2878845Y Pipeline improved structure |
| 03/14/2007 | CN1928414A Method for making steel reinforced type steel-plastic composite winding pipe |
| 03/14/2007 | CN1928273A Double-wall winding plastic drain-pipe |
| 03/14/2007 | CN1304779C Steel skeleton composite pipe |
| 03/14/2007 | CN1304778C Method and apparatus for producing steel-plastic composite pipe |
| 03/14/2007 | CN1304475C Material for drawing out methane polyethylene pipe for mining |
| 03/13/2007 | US7189027 Corrugated leaching chamber |
| 03/08/2007 | US20070052229 Double containment pressure termination fitting for dissimilar materials |
| 03/08/2007 | US20070051419 Duct |
| 03/07/2007 | EP1758686A1 Moulded body with evaporation-sputtered layers |
| 03/07/2007 | EP1453876B1 Method for the production of tubes in composite materials |
| 03/07/2007 | CN2876495Y Porous pipeline rotation device |
| 03/07/2007 | CN2876494Y External layer butt fusion type aluminium plastic composite pipe |
| 03/07/2007 | CN2876493Y Fuel gas pipe |
| 03/07/2007 | CN1926374A A gas transfer hose |
| 03/07/2007 | CN1926370A A pressureless polymer pipe |
| 03/07/2007 | CN1924419A Coiling modeled steel/plastic composite pipe and its preparing process and equipment |
| 03/07/2007 | CN1303352C Producing method of metal pipe convered with foamed plastic for thermal insulation |
| 03/01/2007 | WO2007024795A1 Secondarily contained annularly corrugated steel tube pipe and fitting |
| 03/01/2007 | WO2005120805A9 Multilayer synthetic resin pipe having spiral ribs, and extrusion molding method and apparatus for manufacturing the same |
| 03/01/2007 | US20070044860 Inner casing of a rotating thermal machine |
| 03/01/2007 | DE202005016696U1 Ultraschallverschweißtes Kupferrohr Ultrasound welded copper tube |
| 03/01/2007 | DE102005040390A1 Multi-modal polyethylene moulding material for production of pipes, e.g. water pipes, comprises low-mol. wt. ethylene homopolymer, high-mol. wt. ethylene copolymer and ultrahigh-mol. wt. ethylene copolymer |
| 03/01/2007 | CA2712540A1 Ultrasonic probe, ultrasonic testing equipment, ultrasonic testing method, and manufacturing method of seamless pipe or tube |
| 03/01/2007 | CA2618228A1 Multimodal polyethylene molding composition for producing pipes having improved mechanical properties |
| 02/28/2007 | EP1756458A1 Corrosion-resistant exterior alloy for composite tubes |
| 02/28/2007 | EP1616122B1 Double-walled corrugated pipe |
| 02/28/2007 | EP1425531B1 Gas-proof conduit |
| 02/28/2007 | CN2874178Y Plastic lining metal composite pipe |
| 02/28/2007 | CN2874177Y Secondary winding double structure wall pipe |
| 02/28/2007 | CN1922010A 塑料管 Plastic pipe |
| 02/28/2007 | CN1919917A Freezing resistant bube |
| 02/28/2007 | CN1302221C Aluminium plastic composite pipe and its manufacturing method |
| 02/28/2007 | CN1302220C Built-in guiding pipe of air intake exhaust flue |
| 02/22/2007 | WO2007019921A1 Hollow body with double barrier layer |
| 02/22/2007 | WO2006131563A3 An improved multilayer pipe |
| 02/22/2007 | US20070039659 Stabilization means for a corrugated hose and method for applying the stabilization means to a corrugated hose |
| 02/22/2007 | US20070039658 System, method and device for applying a protective wrap to a pipe portion |