| Patents for F16L 9 - Rigid pipes (18,006) |
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| 07/20/2010 | CA2690631A1 Integral pipe gasket |
| 07/20/2010 | CA2467823C Toneable conduit and method of preparing same |
| 07/16/2010 | CA2659953A1 Tube making machine with diameter control and method |
| 07/15/2010 | DE102008051905A1 Verfahren zur Herstellung von Wärmetauscherrohren Process for the preparation of heat exchanger tubes |
| 07/15/2010 | CA2690297A1 Positive pressure pipe coupling |
| 07/14/2010 | EP2206930A1 Reactor, pre-heat furnace and incinerator, each comprising a helical piping |
| 07/14/2010 | EP2205678A1 Cpvc pipe with 25% higher hydrostatic design basis than required under astm d2846 |
| 07/14/2010 | CN201526742U Rectangular hollow-wall sound absorbing pipe |
| 07/14/2010 | CN201526741U Prestressed steel cylinder pipe with inner and outer double protecting layers |
| 07/14/2010 | CN201526740U Enhancement type steel jack |
| 07/14/2010 | CN201526739U Injection molding type steel mesh reinforced plastic pressure pipe |
| 07/14/2010 | CN201526738U Ultrahigh molecular weight polyethylene high-strength steel-wire-gauze composite tube |
| 07/14/2010 | CN201526737U Self-heating high pressure durable oil pipeline |
| 07/14/2010 | CN201526736U Composite protective material and conveying pipeline therewith |
| 07/14/2010 | CN201526735U Prestress high-pressure steel pipe with high anti-corrosive property |
| 07/14/2010 | CN201526734U High-pressure resistant oil and gas pipeline |
| 07/14/2010 | CN201526733U Device for manufacturing plastic composite tube with flexibly woven metal wire mesh framework |
| 07/14/2010 | CN201526732U Socketing connecting fiber reinforced composite material jacking pipe |
| 07/14/2010 | CN101776187A Prestressed concrete glass fiber reinforced plastic compound tubing structure and manufacture process thereof |
| 07/14/2010 | CN101776186A Composite pipe fitting |
| 07/14/2010 | CN101776185A Composite pipe |
| 07/14/2010 | CN101776184A Double-layer metal pipe and manufacture mold and manufacturing method thereof |
| 07/14/2010 | CN101776183A Method for processing outer anticorrosive coating of steel elbow |
| 07/14/2010 | CN101775180A Impact-resistant modified polyvinyl chloride tube material and preparation process thereof |
| 07/14/2010 | CN101774801A Reactive material for preparing ceramic composite steel pipe by adopting self-propagating high-temperature synthesis |
| 07/14/2010 | CN101185404B Greenhouse frame material and method of processing the same, and processing equipment |
| 07/13/2010 | US7754966 Umbilical |
| 07/13/2010 | US7754344 Ferritic stainless steel welded pipe superior in expandability |
| 07/13/2010 | US7752728 Method of producing a material composite with explosion-welded intermediate piece |
| 07/09/2010 | CA2653292A1 Apparatus and method for protecting lined concrete pipe during the manufacturing process |
| 07/08/2010 | WO2010045011A3 Multi-tubular fluid transfer conduit |
| 07/08/2010 | DE102008063960A1 Kraftfahrzeug-Fluidleitung Automotive fluid line |
| 07/07/2010 | EP2204597A2 Reinforced concrete pressure pipe |
| 07/07/2010 | CN201521726U L-shaped air-guiding pipe |
| 07/07/2010 | CN201521725U Composite metal pipe and composite pipeline formed by composite metal pipe |
| 07/07/2010 | CN201521724U Rigid polyurethane foam thermal insulation polyurea anti-corrosion tube |
| 07/07/2010 | CN201521723U Low-temperature high-strength anti-corrosion heat insulation composite pipeline |
| 07/07/2010 | CN201521722U Ultrahigh molecular weight polyethylene-polyvinyl chloride composite pipe with embedded reinforced steel wires |
| 07/07/2010 | CN201521721U Novel environment-friendly, flame-retardant and high-temperature-resistant PE foam coating two-layer air-conditioning heat insulation pipe |
| 07/07/2010 | CN201521720U Galvanizing spiral steel pipe and galvanizing spiral steel pipe connecting hoop |
| 07/07/2010 | CN101772535A Polyolefin pipe having inherent resistance to thermooxidative degradation |
| 07/07/2010 | CN101769646A Seamless solar PE thermal insulation pipe |
| 07/07/2010 | CN101769407A Non-metallic electrical conductor heat tracing composite insulating pipe |
| 07/07/2010 | CN101769406A Metallic electrothermal composite insulating pipe |
| 07/07/2010 | CN101769405A Electrical conductor heat tracing composite insulating plastic pipe |
| 07/07/2010 | CN101769404A Electrothermal composite insulating pipe for composite conductor pipe |
| 07/07/2010 | CN101769403A Seamless steel tube for nuclear power and production method thereof |
| 07/07/2010 | CN101457855B Production process for inner liner stainless steel composite seamless pipe |
| 07/01/2010 | WO2010072374A1 Polyolefin composition for water pipes with increased resistance to chlorine dioxide |
| 07/01/2010 | WO2010072373A1 Polyolefin composition for water pipes with good resistance to chlorine dioxide and low migration |
| 07/01/2010 | US20100167086 Steel pipe for fuel injection pipe and manufacturing method therefor |
| 07/01/2010 | US20100163132 Insulating device for a machine element, in particular an exhaust gas pipe |
| 06/30/2010 | CN201517664U Colored steel composite air pipe |
| 06/30/2010 | CN201517663U Cement concrete conveyer pipe with ceramic particle and glass fiber reinforced plastic structure |
| 06/30/2010 | CN201517662U Novel double-layer nylon air duct |
| 06/30/2010 | CN201517661U Water drainage pipe used in rice field |
| 06/30/2010 | CN101761706A Earthquake-resistant protecting pipe with prestressed reinforcement framework for petroleum and natural gas pipelines |
| 06/30/2010 | CN101761705A Reinforcement cage earthquake-resistance protecting pipe for petroleum and natural gas pipeline |
| 06/30/2010 | CN101761704A Earthquake-resistance protecting pipe with plastic inner lining reinforcement cage for petroleum and natural gas pipeline |
| 06/30/2010 | CN101761703A Earthquake-resistance protecting pipe for petroleum and natural gas pipeline |
| 06/30/2010 | CN101761702A Earthquake-resistant protecting pipe with prestressed reinforcement framework and plastic inner lining for petroleum and natural gas pipelines |
| 06/30/2010 | CN101759900A Halogen-free flame-retardant and anti-static polyethylene material, pipe and preparing method thereof |
| 06/29/2010 | US7744972 polyethylene or ethylene alpha-olefin interpolymer and antioxidant system, which offer an advantageously balanced combination of thermal, mechanical and processing properties, and which maintain their physical properties in chlorinated water environments |
| 06/24/2010 | WO2010070250A1 Device for insulating a tube for conveying fluids |
| 06/24/2010 | WO2010069505A1 Layer for pipes made of multimodal polyethylene composition |
| 06/24/2010 | US20100158681 Ni-based alloy for a forged part of a steam turbine with excellent high temperature strength, forgeability and weldability, rotor blade of a steam turbine, stator blade of a steam turbine, screw member for a steam turbine, and pipe for a steam turbine |
| 06/24/2010 | US20100154917 Thermally insulated pipe for use at very high temperatures |
| 06/24/2010 | US20100154916 Wrappable styrenic pipe insulations |
| 06/24/2010 | US20100154914 Semi-rigid flexible duct |
| 06/24/2010 | US20100154734 Method of making a coated article |
| 06/24/2010 | DE102008061416A1 Heat conducting pipe for use in heat exchanging system of geothermal heat pump in building to guide e.g. water, has wire structure covering entire inner wall of pipe and formed as wire knitted fabric, wire meshwork or wire fiber |
| 06/23/2010 | EP2199650A1 Layer for pipes made of multimodal polyethylene composition |
| 06/23/2010 | EP2199330A1 Polyolefin composition for water pipes with good resistance to chlorine dioxide and low migration |
| 06/23/2010 | EP2199327A1 Polyolefin composition for water pipes with increased resistance to chlorine dioxide |
| 06/23/2010 | CN201513663U Rubber glass steel composite wear-resistant bent pipe |
| 06/23/2010 | CN201513639U Modified stainless steel pipe |
| 06/23/2010 | CN201513638U PE double-layer composite tube |
| 06/23/2010 | CN201513637U Environmental protection glass-reinforced plastic pipe |
| 06/23/2010 | CN201513636U Temperature-resistant thermoplastic plastic composite pipeline |
| 06/23/2010 | CN101749873A Seamless crack-free solar PE heat-preserving pipe |
| 06/23/2010 | CN101749500A Adhesive-free steel-plastic composite winding pipe and manufacturing method thereof |
| 06/23/2010 | CN101749499A Pre-stress concrete reinforced pipe with water-resistant ring on bellmouth |
| 06/23/2010 | CN101749498A Socket-faucet prestress reinforcing steel bar pipe with water blocking ring |
| 06/23/2010 | CN101749497A Pre-stress reinforced jacking pipe with water-resistant ring on bellmouth |
| 06/23/2010 | CN101749496A Novel composite belt material structure for reinforcing steel belt |
| 06/23/2010 | CN101749495A Steel-plastic (PE) spiral ripple water feed tube |
| 06/23/2010 | CN101749494A Anti-impact type chlorinated polyvinyl chloride hot water pipe |
| 06/23/2010 | CN101749493A Prestressed reinforced concrete pipe with waterproof ring of socket |
| 06/23/2010 | CN101749492A Prestress reinforcing steel bar jacking pipe with water blocking ring on faucet |
| 06/23/2010 | CN101749491A Socket-faucet prestress reinforcing steel bar jacking pipe with water blocking ring |
| 06/23/2010 | CN101749490A Prestressing large-scale spiral fin steel tube |
| 06/23/2010 | CN101747530A Barium-zinc liquid compound stabilizer and application thereof |
| 06/23/2010 | CN101747529A Ca-Zn liquid composite stabilizing agent and application thereof |
| 06/23/2010 | CN101526158B Hot shrinkage/melt bush and manufacturing method and construction method thereof |
| 06/23/2010 | CN101255254B Antibacterial polypropylene pipes and antibacterial composite master batch as well as manufacturing method thereof |
| 06/23/2010 | CN101216213B Electrical water heater and its built-in insulation admitting pipe and built-in insulation outlet pipe |
| 06/23/2010 | CN101086306B Composite pipe and its producing method |
| 06/22/2010 | US7740731 Method and apparatus for manufacturing a pipe from pipe segments |
| 06/22/2010 | CA2397924C Crosslinkable polyethylene composition |
| 06/17/2010 | WO2010066301A1 Plastic-metal composite pipe for reliably preventing bubble blistering in the composite |