| Patents for F16L 9 - Rigid pipes (18,006) |
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| 06/07/2011 | US7955511 Silica glass crucible |
| 06/03/2011 | WO2011065863A1 Multisection concrete product and method for the assembly, transportation and trenchless installation thereof |
| 06/03/2011 | WO2011063979A1 Method and mould for producing concrete pipes having a plastic inner pipe |
| 06/03/2011 | CA2781729A1 Method and mould for producing concrete pipes having a plastic inner pipe |
| 06/01/2011 | CN201851881U Belt material for plastic steel-wound pipe and plastic steel-wound pipe |
| 06/01/2011 | CN201851806U Connecting pipe and connecting pipe assembly provided with connecting pipe |
| 06/01/2011 | CN201851805U Sound insulation water pipe |
| 06/01/2011 | CN201851804U Reinforced high-density polyethylene double-walled corrugated pipe |
| 06/01/2011 | CN201851803U Composite wire guide tube |
| 06/01/2011 | CN201851802U Composite steel and plastic pipe with outer threads |
| 06/01/2011 | CN201851801U Novel steel plastic oil pipe |
| 06/01/2011 | CN201851800U Embedded type layering-prevention and anti-falling steel plastic composite pipe |
| 06/01/2011 | CN201851799U Steel skeleton reinforced nylon pipe |
| 06/01/2011 | CN201851798U Spiral composite pipe with steel band |
| 06/01/2011 | CN201851797U Centrifugal casting fiber reinforced composite push pipe |
| 06/01/2011 | CN201851796U Polypropylene and polyethylene composite pipe |
| 06/01/2011 | CN201851795U Multilayer compound delivery pipe |
| 06/01/2011 | CN201851794U Novel copper-aluminum composite tube |
| 06/01/2011 | CN102084167A High pressure connection systems and methods for their manufacture |
| 06/01/2011 | CN102080743A Mortar-filled glass fiber reinforced plastic pipe |
| 05/31/2011 | CA2462234C Contractable and expandable tubular wellbore system |
| 05/26/2011 | WO2011060695A1 Steel strip reinforced composite belt for helically corrugated plastic-steel winding pipe |
| 05/26/2011 | US20110125142 Cryosurgical probe with vacuum insulation tube assembly |
| 05/26/2011 | US20110123751 Propylene polymer pipes for pipelines |
| 05/26/2011 | US20110120587 Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof |
| 05/26/2011 | US20110120586 Downhole recovery production tube system |
| 05/26/2011 | US20110120585 Multilayered tube and manufacturing method thereof based on high pressure tube hydroforming |
| 05/26/2011 | US20110120584 Low-noise plastic intercooler pipe having multi-layered structure |
| 05/26/2011 | US20110120582 Configurable conduit body |
| 05/25/2011 | EP2323833A1 A pipe with integral male and female ends, a joint made using the same pipe, and processes of making the pipe and the joint |
| 05/25/2011 | CN201844160U Foam glass multi-layer cold insulation structure pipeline |
| 05/25/2011 | CN201844129U Runner pipe for thinning molecules of fluid |
| 05/25/2011 | CN201844128U High density polyethylene enwinding structure wall pipe equipped with separation device |
| 05/25/2011 | CN201844127U Belt material for manufacturing double-flat wall pipe and double-flat wall pipe using same |
| 05/25/2011 | CN201844126U Prestressed concrete cylinder pipe |
| 05/25/2011 | CN201844125U Rotational molding large-aperture polyvinyl pipe fitting reinforced by steel plate |
| 05/25/2011 | CN201844124U Polyethylene outer protecting pipe with two end openings with slope surfaces |
| 05/25/2011 | CN102072398A Hydraulic support push rod |
| 05/25/2011 | CN102072379A Minor-caliber anticorrosive steel pipes and pipeline |
| 05/25/2011 | CN102072369A Multilayer antistatic hose for conveying fluids |
| 05/25/2011 | CN102072366A Multi-layer plastic metal pipe |
| 05/25/2011 | CN102072365A Method and device for manufacturing plastic composite pipe with flexibly-knitted wire mesh skeleton |
| 05/25/2011 | CN102072364A Tap water pipe with scales |
| 05/25/2011 | CN102072363A Multi-layer single vacuum compound heat-insulation pipe |
| 05/25/2011 | CN102071335A Novel copper alloy and copper alloy pipe |
| 05/25/2011 | CN102070819A Lldpe Pressure Pipe |
| 05/25/2011 | CN102070810A Material special for corrugated pipe for high-density polyethylene prestressed concrete and production method thereof |
| 05/25/2011 | CN101532591B UPVC pipe material/element and preparation method thereof |
| 05/25/2011 | CN101418879B Method for forming 30 degree double-R tube of gasification furnace internal component |
| 05/25/2011 | CN101292108B Shaped spiral wound pipe |
| 05/19/2011 | WO2011059147A1 Water pipe for which hydroforming is employed, and a production method therefor |
| 05/19/2011 | WO2011057994A1 Plastic multilayer-wall curved segment for assembling pipes |
| 05/19/2011 | US20110117832 Air conducting device |
| 05/19/2011 | US20110114332 Tubing section |
| 05/19/2011 | US20110114216 Exhaust system and method for joining components of an exhaust system |
| 05/19/2011 | US20110114215 Composite pipes and method making same |
| 05/19/2011 | US20110113704 Water-resistant apparatuses for photovoltaic modules |
| 05/18/2011 | EP2322869A2 A double skin panel |
| 05/18/2011 | CN201836600U Pipeline with low probability of fouling |
| 05/18/2011 | CN201836554U Steel-plastic composite winding pipe adopting door-shaped steel belt |
| 05/18/2011 | CN201836553U Steel-plastic composite wound pipe with arc-shaped steel strip |
| 05/18/2011 | CN201836552U Winding lap-joint structure of dual-flat-wall pipe strip and dual-flat-wall pipe using winding lap-joint structure |
| 05/18/2011 | CN201836551U High-strength double-planomural strip and double-planomural pipe using same |
| 05/18/2011 | CN201836550U Conveying pipe with lining pipe and combined structure of ceramic particles and glass fiber reinforced plastics |
| 05/18/2011 | CN201836549U Compression-resisting double-layer plastic pipe material |
| 05/18/2011 | CN201836548U Pipe |
| 05/18/2011 | CN201836547U Socket-enhanced composite plastic pipe |
| 05/18/2011 | CN201836546U Pipeline connecting assembly of air conditioner |
| 05/18/2011 | CN201836545U Novel pipe fitting |
| 05/18/2011 | CN201836544U Flat air pipe and supporting component thereof |
| 05/18/2011 | CN102066476A Polyethylene compositions |
| 05/18/2011 | CN102062266A Composite pipe |
| 05/18/2011 | CN102062265A Glass steel pipeline with pipe wall hollow reinforced structure |
| 05/18/2011 | CN102062264A Silver-free antibacterial water supply pipe and production method thereof |
| 05/18/2011 | CN102062263A Novel composite drain pipe |
| 05/18/2011 | CN102062262A Water supply and drainage pipe with cable hole |
| 05/18/2011 | CN102061029A Ultrahigh molecular weight polyethylene tube |
| 05/18/2011 | CN101514770B Non-digging PE-specialized gas tube |
| 05/18/2011 | CA2685792A1 High pressure plastic piping system and seal |
| 05/17/2011 | US7942422 Multiwall pipe lip seal joint |
| 05/17/2011 | CA2575735C Reinforced elongated elements, such as tubes, method and device for producing same and use thereof |
| 05/12/2011 | WO2011055636A1 Stainless steel flexible pipe |
| 05/12/2011 | WO2011054266A1 Composite joining belt material for reinforcing steel belt of plastic-steel winding tube |
| 05/12/2011 | US20110108151 Vibration-resistant reinforced concrete watertight pipe and method of manufacturing the same |
| 05/12/2011 | US20110108150 Clip for a pipe or duct |
| 05/12/2011 | US20110108149 manufacturing method, a manufacturing device and a product of a lead-in type interference fit pipeline external thread |
| 05/11/2011 | EP2318749A1 High temperature resistant insulation for pipe |
| 05/11/2011 | CN201827997U Pipeline device for ground air-supply air conditioner |
| 05/11/2011 | CN201827537U Steel-strip reinforced section and plastic-steel compound enwound drainage pipe material manufactured by same |
| 05/11/2011 | CN201827536U Double plain-wall pipe strip and double plain-wall pipe manufactured by using same |
| 05/11/2011 | CN201827535U Socket clamp-fit type stainless steel plastic-lined pipe network for cold and hot water or fuels |
| 05/11/2011 | CN201827534U Head of steel-plastic composite pipe forming machine |
| 05/11/2011 | CN201827533U Steady-state aluminium-plastic composite pipe |
| 05/11/2011 | CN201827532U Oxygen blocking metal composite pipe production equipment |
| 05/11/2011 | CN201827531U Wear-resistant and thermal insulation enhanced thermoplastic plastic pipe |
| 05/11/2011 | CN201827530U Acrylonitrile-chlorinated-polyethylene-styrol copolymer (ACS)/polyvinyl chloride (PVC) composite pipe |
| 05/11/2011 | CN201827529U Steel plate enhancement type socket composite plastic pipe |
| 05/11/2011 | CN201827528U 复合钢管 Composite Pipe |
| 05/11/2011 | CN102052531A Reinforced steel jack |
| 05/11/2011 | CN102052525A L-shaped air-guide duct |