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)
10/2008
10/29/2008CN201141490Y Steel reinforced concrete pipe joint
10/29/2008CN201141484Y Prestressed reinforcement concrete pipe of novel steel faucet
10/29/2008CN201141483Y Prefabricated composite stand pipe
10/29/2008CN101294645A Steel-based composite pipeline joint
10/29/2008CN101294644A Steel-based compound anti-punching and anti-oil stealing pipe
10/29/2008CN101294643A Steel faucet steel cylinder non-longitudinal rib prestressed concrete pipe
10/29/2008CN101294642A Steel faucet steel wire net slice steel cylinder non-longitudinal rib prestressed concrete pipe
10/29/2008CN101294641A Steel faucet steel wire net slice non-longitudinal rib prestressed concrete pipe
10/29/2008CN101294640A Steel faucet steel wire net slice steel cylinder longitudinal rib prestressed concrete pipe
10/29/2008CN101294639A Steel faucet non-longitudinal rib prestressed concrete pipe
10/29/2008CN101294638A Steel faucet steel cylinder longitudinal rib prestressed concrete pipe
10/29/2008CN101294637A Steel faucet steel wire net slice longitudinal rib prestressed concrete pipe
10/29/2008CN101294636A Steel faucet longitudinal rib prestressed concrete pipe
10/29/2008CN100429446C Concrete-weighed submarine petroleum pipe and its manufacture
10/28/2008CA2175158C Pipe of polyethylene having improved mechanical properties
10/23/2008WO2008125682A1 Tubular body comprising two or more layers of helically bended strips
10/23/2008WO2008091709A3 Apparatus and method for converting insulated panels
10/23/2008WO2008016625A3 Insulated hose assembly and method of manufacture
10/23/2008US20080257808 Ultrasonic Treatment Plant
10/23/2008US20080257436 Piping
10/23/2008US20080257396 High altitude structures and related methods
10/23/2008US20080257008 High Strength Welded Steel Tube Superior in Hydrogen Embrittlement Cracking Resistance of Weld Metal and Method of Production of Same
10/23/2008DE202008009827U1 Abflussrohr Waste pipe
10/23/2008DE102008019799A1 Tubular construction element for pipelines, shafts, mold parts etc. has flow resistance improver in contact joint
10/23/2008CA2683927A1 Hardware free data distribution terminal pedestal
10/23/2008CA2683465A1 Tubular body comprising two or more layers of helically bended strips
10/22/2008EP1983110A2 Drainage pipe for the catchment and return of sea water
10/22/2008CN201137757Y Penetration-proof carbon fibre composite pipes
10/16/2008WO2008123915A1 Multiple material piping component
10/16/2008WO2008122972A1 Irrigation pipe
10/16/2008CA2679650A1 Multiple material piping component
10/15/2008EP1980779A1 Bite type tube connection structure, tube fitting, valve, closing valve, refrigerating cycle device, hot-water supply device, bite type tube connection method, and on-site tube connection method
10/15/2008EP1979662A2 Reinforced plastic hose
10/15/2008CN201133536Y Reactor main duct hot end elbow pipe blank
10/15/2008CN201133520Y Armored rope reinforced polyethylene composite belt manufactured polyethylene reinforced pipes
10/15/2008CN201133519Y Stainless steel and carbon steel-glass fibre reinforced plastic composite pipeline
10/15/2008CN201133518Y Dual metal composite pipe fitting with end processed with thread
10/15/2008CN201133515Y Branch pipe pre-pressure mounting device
10/15/2008CN101285546A Multi-core tube
10/15/2008CN101285545A Inner core foaming -type metal pipes and method of manufacture
10/15/2008CN101285544A P-aramid air-duct and uses thereof, and uses of p-aramid in air-duct
10/15/2008CN101284425A Arc wind pipe with groove and preparation technique thereof
10/14/2008US7435466 Polytetrafluoroethylene-based-resin tube and production method thereof
10/09/2008DE102007016688A1 Pipe for e.g. steel pipeline, has additional device conveying discharge of adherent components of medium and includes chambers separated from cavity by partition wall, where chambers are displaced under low or high pressures
10/09/2008DE102007016149A1 Metallschlauchanordnung mit Innen- und Außenschlauch Metal hose assembly with inner and outer tube
10/08/2008EP1977151A2 Soft crack arrestors for pipelines
10/08/2008EP1805264B1 Marine umbilical comprising hydrolysis resistant polyamides
10/08/2008CN201129954Y Copper aluminum welding assembled tube part for refrigeration system
10/08/2008CN201129585Y Bidirectional socket pipe parts
10/08/2008CN201129559Y Semi-circle type epoxy resin glass cloth winding pipe
10/08/2008CN201129558Y Novel hollow insulated composite pipes with high strength
10/08/2008CN201129557Y Novel hollow insulated composite pipes
10/08/2008CN201129556Y Large caliber hollow wall plastic winding pipe
10/08/2008CN201129555Y Light polymer foaming sheet material wind pipe
10/08/2008CN201129554Y Pipe material stiffening structure
10/08/2008CN101280864A Method for making oil cold tube
10/08/2008CN101279511A Technique for producing arcuated combined flue pipe
10/08/2008CN100424394C Nontoxic and impact-free water supply pipe
10/07/2008US7431054 Breathing air hose and method of making same
10/07/2008US7430867 Gas turbine multiple sectioned exhaust duct
10/02/2008WO2008038013A3 Insulated ductwork products
10/02/2008DE102007015660A1 Flexibles wärmeisoliertes Leitungsrohr Flexible heat-insulated pipe
10/02/2008DE102007015442A1 Verwendung einer korrosionsbeständigen Kupferlegierung Use of a corrosion-resistant copper alloy
10/01/2008EP1974168A1 Pipe and system for utilizing low-energy
10/01/2008EP1974161A2 Pre-insulated ventilation conduit and method of manufacturing the same
10/01/2008EP1729953B1 Flexible laminated plastic pipe having a chlorinated poly(vinyl chloride) (cpvc) hollow core
10/01/2008CN201126081Y Thermoplastic reinforced plastic pipe material
10/01/2008CN201126074Y Metal bellows connecting telescoped pipeline
10/01/2008CN201126068Y External anti-corrosive internal abrasion-proof composite oil manifold
10/01/2008CN201126067Y PE inner lining interference assembly anti-corrosive abrasion-proof composite oil manifold
10/01/2008CN201126066Y Bidirectional vacuum self-sealing device
10/01/2008CN201126065Y Pad without generating arc deforming when welding penstock stiffener with tile
10/01/2008CN201126064Y Rectangular tube
10/01/2008CN101275700A Array type silencer
10/01/2008CN101275690A Polyethylene crosslinked foaming thermal insulation pipe and manufacturing method thereof
10/01/2008CN100422620C Resin tube for fuel piping
10/01/2008CN100422619C High temperature torrentially rinsing scrubbing tube and manufacture method therefor
10/01/2008CN100421929C Glossy tubes and pipes
10/01/2008CN100421910C Inflating making process and apparatus of spiral wound steel wire reinforced composite plastic pipe
09/2008
09/30/2008US7429323 Water treatment system and pressure pipe therefor
09/25/2008WO2008116041A2 Corrugated stainless steel tubing with smooth bore
09/25/2008WO2008113805A1 Pressure piping
09/25/2008WO2008113569A1 Pipe arrangement
09/25/2008US20080231043 Insulator apparatus for vacuum insulated tubing
09/25/2008DE102008013107A1 Leitungselement für Abgasanlagen Line element for exhaust systems
09/25/2008DE102007013061A1 Druckrohrleitung Penstock
09/25/2008CA2680603A1 Corrugated stainless steel tubing with smooth bore
09/24/2008EP1601701A4 Olefin polymers, method of making, and use thereof
09/24/2008CN201121795Y Steel pipe with coating
09/24/2008CN201121780Y Steel pipe-FRP pipe internally filled concrete composite structure
09/24/2008CN201121779Y Improved structure of sanitary equipment connector
09/24/2008CN201121778Y Hollow double-layer FRP pipe concrete composite structure
09/24/2008CN201121777Y water feeding and draining pipe with improved structure
09/24/2008CN201121776Y Feed pipe and drain pipe with cable hole
09/24/2008CN101270835A Concrete composite pipeline and method for producing the same
09/24/2008CN101270834A Glass fibre reinforced plastics concrete composite pipeline and method for producing the same
09/24/2008CN101270833A Novel antimicrobial PE tube
09/24/2008CN101270832A Composite connecting pipe
09/24/2008CN101270445A Steel for fire resistant insulated tubing, insulated tubing and method for manufacturing same
09/23/2008CA2313919C Downhole communication method and apparatus
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