Patents for F16L 9 - Rigid pipes (18,006)
12/2013
12/04/2013CN103423525A Reducing pipe, refrigeration system with reducing pipe and refrigerator with refrigeration system
12/04/2013CN103423524A Double-wall PVC hush pipe
12/04/2013CN103423523A Novel buried steel plastic composite pipe
12/04/2013CN103423522A Large-diameter reinforced composite polyethylene winding structure wall tube and manufacture process thereof
12/04/2013CN103421267A Trenchless modified polypropylene pipe material for electric power
12/04/2013CN103421247A Polypropylene random copolymer (PP-R) composite material, nano anti-bacterial pipe and preparation method of PP-R composite material and nano anti-bacterial pipe
12/04/2013CN102702619B Flame-retardant PP (Polypropylene) particles for thin-wall tube and preparation method thereof, thin-wall tube and cellular material
12/04/2013CN102644807B Middle-and-low pressure delivery seamless helical corrugated composite pipe and forming method thereof
12/04/2013CN102627797B HDPE (High-Density Polyethylene) composite material for winding reinforcing pipe
12/04/2013CN101513771B Composite strip windable to form a helical pipe, composite pipe and method thereof
12/03/2013CA2733298C Aerogel/ptfe composite insulating material
12/02/2013DE202010018026U1 Kunststoffaußenrohr Plastic outer tube
11/2013
11/28/2013WO2013177151A1 Foldable hvac conduit and duct collar
11/28/2013WO2013174450A1 Pipe liner
11/28/2013US20130312865 Double-wall pipe and production process
11/28/2013US20130312863 Environmentally protected tubing and method of making it
11/28/2013US20130312861 Self-sealing tube for a gas turbine secondary air system
11/28/2013DE102008026724B4 Verschluss für ein Rohr oder eine Platine A closure for a tube or plate
11/27/2013EP2667073A1 Pipe section made of sheet metal and method for producing same, stretching-bending apparatus for producing a pipe elbow and method for producing a pipe elbow
11/27/2013EP2667072A1 Thermoplastic pipe having longitudinally arranged continuous fiber reinforcement and production method thereof
11/27/2013CN203309386U Compound insulating soundproof pipeline
11/27/2013CN203309385U Tube body and electronic equipment, receiving appliance and bearing platform which are formed by a plurality of tube bodies
11/27/2013CN203309384U Reinforcement type hollow wall winding pipe
11/27/2013CN203309383U Reinforcement type krah pipe
11/27/2013CN203309382U Large-diameter wear-resisting composite pipe for dredging
11/27/2013CN203309381U Concrete transport pipe
11/27/2013CN203309380U Simple three-layer thermal insulation pipe
11/27/2013CN203309379U Simple six-layer thermal insulation pipe
11/27/2013CN203309378U Tap water pipe with double-layer structure
11/27/2013CN203309377U Oil resistance composite pipe
11/27/2013CN203309376U Glass steel tube with large inner wall adhesive force
11/27/2013CN203309375U Carbon fiber strengthened oil-conveying pipe
11/27/2013CN203309374U Insulating air duct for thermal deicing
11/27/2013CN203309373U Air inducing device negative pressure air duct
11/27/2013CN103411047A Abrasion-resistant pressure-proof composite pipeline
11/27/2013CN103411046A Composite seamless tube
11/27/2013CN103411045A Double-layer metal tube having flat inner surface and outer surface provided with reinforced ribs
11/27/2013CN103411044A Sandwich high-pressure pipe
11/27/2013CN103411043A Reinforced plastic tube wound by LFT material strips and producing method thereof
11/27/2013CN103411042A Composite stainless steel pipe
11/27/2013CN103411041A Compound water feeding pipe for submersible pump
11/27/2013CN103411040A Method for manufacturing glass fiber reinforced plastic composite pipe mixed with carbon fibers
11/27/2013CN103411039A Titanium and steel seamless composite pipe
11/27/2013CN103409685A Seamless steel pipe for conventional island in nuclear power plant and production process thereof
11/27/2013CN103409681A High-chromium cast iron, thin-walled tube prepared from same, and preparation method of thin-walled tube
11/27/2013CN103409665A Chromium-nickel alloy high-temperature dusting corrosion resistance furnace tube and centrifugal casting production method thereof
11/27/2013CN103409664A Novel chromium-nickel alloy and method for centrifugally casting and producing high-temperature dusting corrosion resistant furnace tube by using alloy
11/27/2013CN103408828A Preparation method of halogen-free flame-retardant polyethylene (PE) pipe
11/26/2013US8591788 Method of forming a composite structural member
11/26/2013US8590577 Ductmaking apparatus
11/26/2013US8590575 Scrim-enforced pipe liner
11/21/2013US20130306188 Pipe
11/21/2013US20130306187 Conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint
11/21/2013US20130306186 Breathable multi-component exhaust insulation system
11/21/2013US20130306185 Method of Making Hydralic Tubing
11/21/2013DE102012208257A1 Corrugated flexible pipe element has cylindrical tube portion that is provided between adjacent waves of pipe elements that are provided in frictional contact with tube portion
11/21/2013DE102012009845A1 Straight tube piece for manufacturing gutter drain bend for gutter pipe, has overlapping area bent in fold portion, so that portion of overlapping area is covered by metal sheet material layers in outer and inner sides of hollow cylinder
11/20/2013EP1751457B1 Method for producing a highly rigid composite material tube, and tube obtained thereby
11/20/2013EP1748241B1 PVC tube provided with a friction-reducing layer, method for the production thereof and use
11/20/2013CN203297924U High-strength plastic alloy tube
11/20/2013CN203297783U Novel gas pipe
11/20/2013CN203297782U Spiral silencing tube
11/20/2013CN203297781U Abrasion resistant abnormal-shaped elbow three-way pipe
11/20/2013CN203297780U Steel frame-reinforced petroleum pipeline
11/20/2013CN203297779U High-temperature-resistant anti-oxidation heat insulation petroleum pipe
11/20/2013CN203297778U Composite tube structure used for heat exchange of air conditioning system
11/20/2013CN203297777U Water supply-drainage pipe
11/20/2013CN203297776U Reinforced double-wall corrugated pipe
11/20/2013CN203297775U FRP reinforced fiber composite metal pipe and manufacturing equipment thereof
11/20/2013CN203297774U Compound type stainless steel pipe
11/20/2013CN203297773U Non-flange inorganic fiber glass combined air pipe
11/20/2013CN203297772U Plastic-based paper composite tube
11/20/2013CN203297771U High-corrosion-resistant copper bearing steel composite spiral welded pipe for oceanographic engineering
11/20/2013CN203297770U Stainless steel pipe used for delivering liquid
11/20/2013CN203297769U Drainage pipe fixed-screw-pitch pushing wheel group device
11/20/2013CN103398253A Moderate-temperature vibration reduction connecting pipe
11/20/2013CN103398239A Method for preparing high-abrasion-resistant glass fiber reinforced plastic sand inclusion pipeline
11/20/2013CN103398238A Connecting pipe
11/20/2013CN103398237A Seamless air drum with double ridges
11/20/2013CN103396614A Special material with hot-melt adhesion for plastic-steel composite pipeline and preparation method thereof
11/20/2013CN103395210A Production method for rubber-plastic subsea pipeline and connection structure for same
11/20/2013CN103395182A PE (polyethylene)100-RC pipe with high slow crack growth resistance and preparation method thereof
11/19/2013US8584711 Outer tube for front fork
11/19/2013DE202013009050U1 Kunststoffrohr Plastic pipe
11/19/2013CA2658125C Embedded metallic tubes with compression fit and method for manufacturing the same
11/14/2013WO2013169895A1 Divided conduit extrusion die and method with joining features
11/14/2013WO2013169893A1 Divided conduit extrusion die and method for one or more material layers
11/14/2013WO2013168981A1 Double pipe heat exchanger with helical rib, and method and apparatus for manufacturing helical ribbed pipe
11/14/2013US20130299036 Conduit for improved fluid flow and heat transfer
11/14/2013US20130299034 Conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint
11/14/2013US20130299032 Self-cleaning Suction Device
11/13/2013EP2662603A1 Non-metallic pipe or conduit with early detection means for detecting failures, detection system and method
11/13/2013CN203286163U Combined concrete pipe with lining pipe
11/13/2013CN203286162U Polyethylene tubing
11/13/2013CN203286161U Elbow type gas meter centralizing gas distribution integrating device
11/13/2013CN203286160U Glass fiber reinforced plastic composite pipe for oil field
11/13/2013CN203286159U Corrosion resistant spiral reinforced rib compound pipe
11/13/2013CN203286158U Double-layer duplex-sleeve type aluminum alloy composite steady-state tube
11/13/2013CN203286157U Preheating pipeline of cremator
11/13/2013CN203286156U Bellow
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