Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 9 - Rigid pipes
Patents for F16L 9 - Rigid pipes (18,006)
04/2014
04/02/2014CN203517017U Water pipe capable of preventing blocking
04/02/2014CN103697250A Steel strip reinforced polyethylene helically corrugated tube and production method thereof
04/02/2014CN103697249A Steel band enhanced polyethylene corrugated pipe and production method thereof
04/02/2014CN103697248A Production process for continuously coating nylon on surface of welding pipe
04/02/2014CN103697247A Cotton-enhanced hydraulic hose
04/02/2014CN103697246A Plastic-lined socket pipe and manufacturing process thereof
04/02/2014CN103697245A PVC (Polyvinyl Chloride) drain pipe
04/02/2014CN103697244A Bimetallic wear-resisting seamless composite steel tube and preparation method thereof
04/02/2014CN103697243A Circular tube with bionic groove surface
04/02/2014CN103694566A Carbon fiber reinforced polypropylene material and application thereof to pipeline
04/02/2014CN103694551A Irradiation crosslinking environment-friendly fire-retardant material for non-foaming pipe wall in heat shrinkage and application thereof
04/02/2014CN103292060B Graphite pipe and manufacturing method
04/02/2014CN102741847B Design method for subsea equipment subject to hydrogen induced stress cracking
04/02/2014CN102649848B Toughness-improved HDPE (High-Density Polyethylene) trenchless tubular product
04/02/2014CN102581555B P91 seamless steel pipe and method for manufacturing same
04/02/2014CN102382395B U-pvc (polrvinyl chloride) plastic tubing and preparation method thereof
04/02/2014CN102257304B Multi-tubular fluid transfer conduit
04/01/2014US8685508 Plastics pipe
04/01/2014US8685493 Process for forming a non-stick surface on the interior surface of a pipe
03/2014
03/27/2014WO2014047627A1 Air brake tubing and compositions for making the same
03/27/2014WO2014045098A2 Composite fuel pipes
03/27/2014WO2014028169A3 Composite waste and water transport elements and methods of manufacture for use on aircraft
03/27/2014US20140083576 Austenitic alloy pipe and method for producing the same
03/27/2014US20140083552 Ink composition and process for printing on laminates
03/27/2014US20140083551 Air brake tubing and compositions for making the same
03/27/2014US20140083550 Process for lining metal pipelines
03/27/2014DE102012217641A1 Flexible duct element for use in e.g. solar-thermal power plant, has outer wall enclosing inner wall at distance such that gap is formed, where gap has width that lies between two and twenty-times of thickness of inner wall or outer wall
03/27/2014DE102012217333A1 Flachrohr Flat tube
03/26/2014CN203500780U An anti-freezing plastic composite corrugated pipe
03/26/2014CN203500691U Material conveying pipe used for injection moulding device
03/26/2014CN203500690U Dedicated pipe fitting for single standpipe of straight-through polypropylene mute drainage pipeline system
03/26/2014CN203500689U Perforated pipe
03/26/2014CN203500688U Novel composite air pipe
03/26/2014CN203500687U Oval-shaped concrete pipe
03/26/2014CN203500686U Anti-corrosion heat-insulation pipe for transferring geothermal fluid
03/26/2014CN203500685U Plastic-coated spiral reinforcing rib composite pipe
03/26/2014CN203500684U Efficient insulation heating tube
03/26/2014CN203500683U Heat insulation device for heating tube
03/26/2014CN203500682U Reinforced type concrete glass-reinforced plastic synthetic pipe
03/26/2014CN203500681U Single-reinforcement elliptic concrete pipe
03/26/2014CN203500680U Bimetal composite pipe with stainless steel pipe connector and two staggered double-welding layers
03/26/2014CN203500679U Seamless-joint connecting pipe
03/26/2014CN103688124A Method for extraction heat from an effluent, especially waste water, circulating in a conduit, heat exchanger and material for implementing said method
03/26/2014CN103672373A Plastic tube
03/26/2014CN103672214A Glass reinforced plastic-lined pipe and production method thereof
03/26/2014CN103672213A Steel wire sand inclusion composite fiber pipeline
03/26/2014CN103672212A Prestressed pipe structure with broken wire monitoring function
03/26/2014CN103672211A Plastic-lined socket and spigot coast iron pipe and manufacturing process thereof
03/26/2014CN103672210A Steady-state plastic aluminum composite pipe
03/26/2014CN103672209A Novel anti-corrosion and pressure-resistant composite pipe
03/26/2014CN103672208A Water feed steel pipe
03/26/2014CN103672207A Plastic coating snapping spiral corrugated steel pipe
03/26/2014CN103672206A Composite steel pipe
03/26/2014CN103672205A Fiber-reinforced pipe used for coal mine and manufacturing method thereof
03/26/2014CN103672204A Preparation method of composite pipe
03/26/2014CN103672203A Stainless steel composite tube
03/26/2014CN103672202A Drain pipe
03/26/2014CN103672201A Automobile oil filling pipe
03/26/2014CN103672200A Wear-resistant composite pipe
03/26/2014CN103672199A Inflaming-retarding composite pipe
03/26/2014CN103672198A Novel plastic reinforcing rib for reinforcing winding pipe and manufacturing method of novel plastic reinforcing rib
03/26/2014CN103672197A Ultra-high molecular weight polyethylene mining delivery pipe through multi-layer coextrusion method and manufacturing method thereof
03/26/2014CN103672196A Activated-carbon-contained composite PP-R antibacterial pipe
03/26/2014CN103672195A Scaling-resisting PE-RT (polyethylene of raised temperature resistance) floor heating tube and production method thereof
03/26/2014CN103672194A Wear-resistant anti-static plastic pipe
03/26/2014CN103672193A Novel reinforced corrugated pipe
03/26/2014CN103672192A Novel reinforced winding pipe
03/26/2014CN103672191A Welding structure of metal bellow assembly for valve
03/26/2014CN103672190A Steel tube for conveying fluid
03/26/2014CN103672189A Protective steel pipe
03/26/2014CN103672188A Steel tube for liquid accumulator
03/26/2014CN103672187A Spiral duct used for cabin ventilation
03/26/2014CN103672186A Steel corrosion-resistant reducer pipe
03/26/2014CN103672185A High-strength steel pipe
03/26/2014CN103672184A Air conditioner connecting pipe and manufacturing and using method thereof
03/26/2014CN103672183A Novel steel tube
03/26/2014CN103667988A Alloy steel material for transfer pump pipelines and preparation method thereof
03/26/2014CN103665587A Polypropylene composition, polypropylene aggregates and preparation method thereof and polypropylene pressure pipeline
03/26/2014CN103665514A Heat-conducting recycled plastic pipe
03/26/2014CN103665506A Color master batch as well as preparation method and application thereof
03/26/2014CN103664219A Automatic ignition device for ceramic compound steel pipes
03/26/2014CN103659183A Method for manufacturing corrosion prevention reducer pipe fitting
03/26/2014CN103658658A Concrete conveying equipment, manufacturing method of S pipe of concrete conveying equipment and SHS reactant
03/26/2014CN103658170A Rolling method for pipeline steel and steel pipe
03/25/2014US8682122 Concentric insulation sleeve having inner and outer surfaces with different properties
03/25/2014US8681330 Evaporative light scattering detector
03/25/2014US8679609 Multi-layered fuel tubing
03/25/2014US8678043 Method for repairing and strengthening pipe with internal helically wound tensile reinforcement
03/25/2014US8678042 Composite spoolable tube
03/25/2014US8678039 Double layer conduit
03/20/2014WO2013167889A3 Movable factory for simultaneous mobile field manufacturing and installation of non-metallic pipe
03/20/2014US20140080338 Annular coupler for drill stem component
03/20/2014DE202013007853U1 Böschungsstück mit Böschungsplatte Embankment slope piece with plate
03/20/2014DE102012108617A1 Förderrohr für den Feststofftransport mit Verschleißanzeige Delivery pipe for conveying solids with wear indicator
03/20/2014DE102012108614A1 Förderrohranordnung mit Verschleißanzeige Delivery tube assembly with wear indicator
03/20/2014DE102012018551A1 Stainless steel element, useful in pressure measurement system and as disk-shaped membrane, where element is made of an austenitic chrome-nickel steel and material edge zone of element has increased strength and hardness
03/19/2014EP2708789A1 Helically corrugated synthetic resin pipe with joint, and structure for connecting helically corrugated synthetic resin pipes
03/19/2014EP2708787A2 Transport pipe for transporting solid materials with wear indicator
03/19/2014CN203488919U Protecting structure for coating balance weight subsea pipeline
03/19/2014CN203488912U Paint conveying pipeline applied to low-temperature environment
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