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)
10/2012
10/03/2012CN202469261U Ultra-small caliber rubber tube used for connecting vacuum tank
10/03/2012CN202469260U Self heat insulation pipe fitting
10/03/2012CN202462887U Winding-corrugated-pipe production equipment and three-wall winding corrugated pipe
10/03/2012CN102705597A Hollow corrugated pipe with nailheads and manufacture method for hollow corrugated pipe with nailheads
10/03/2012CN102705596A Hollow corrugated pipe and manufacturing method thereof
10/03/2012CN102705595A Thermal insulation anti-corrosive high pressure bearing special steel-plastic composite pipe
10/03/2012CN102705594A Lining type prestress steel cylinder concrete pipe subjected to comprehensive antiseptic treatment
10/03/2012CN102705593A Embedded prestress steel cylinder concrete pipe subjected to comprehensive antiseptic treatment
10/03/2012CN102705592A Nanometer modified glass steel pipe
10/03/2012CN102705591A Heat-resistant and pressure-resistant polyethylene composite pipe
10/03/2012CN102703672A Large-caliber thick-wall steel pipe and normalizing method thereof
10/03/2012CN102702651A Nanoscale toughened and strengthened PVC-M (polyvinyl chloride-M) tubular product
10/03/2012CN102702619A Flame-retardant PP (Polypropylene) particles for thin-wall tube and preparation method thereof, thin-wall tube and cellular material
10/03/2012CN102702613A White polypropylene tube with high shading performance and production method thereof
10/03/2012CN102702436A Material special for buried plastic drainage pipeline and preparation method thereof
10/03/2012CN101910700B Resin tube with multiple inner conduits and machine for manufacturing the tube
10/02/2012US8276622 Metal sheet ventilation/smoke duct section and manufacturing method thereof
10/02/2012US8276621 Element for a pipe for transporting hot gases and method of fabricating said element
10/02/2012CA2544770C Continuously manufactured colored metallic products and method of manufacturing of such products
10/01/2012DE202012006597U1 Bauelement zum Sammeln und Ableiten von aggressiven Abwässern, insbesondere Rohr, Schachtbauteil oder Tübbing Device for collecting and discharging of aggressive wastewater, especially pipe, manhole or tubbing
09/2012
09/27/2012WO2012129071A2 Insulation and methods of insulating
09/27/2012US20120241086 Lined pipes for conveying chemicals
09/27/2012US20120241040 Umbilical
09/27/2012US20120241039 Assembly of telescopic pipe sections
09/27/2012US20120241038 Airflow guide cover assembly
09/27/2012US20120240661 Restricted line of sight design for inlet liner
09/26/2012EP2501755A1 Improvement of rapid crack properties in high performance pipe
09/26/2012CN202452011U Straight pipe and concrete conveying device
09/26/2012CN202451995U Connecting pipe with corrugated rings on outer wall of pipe body
09/26/2012CN202451994U High-low pressure woven double-pipe
09/26/2012CN202451993U Trenchless steel reinforced polyethylene (PE) pipe
09/26/2012CN202451992U High density polyethylene (HDPE) spiral winding pipe
09/26/2012CN202451991U Running water pipe
09/26/2012CN202451990U Coating pipe
09/26/2012CN202451989U Mortise and tenon joint type wear-resistant ceramic pipeline
09/26/2012CN202451988U Abrasion-resisting pipeline with glomerocryst micro powder ceramic brick lining
09/26/2012CN202451987U Large specification low stress glass fiber reinforced plastic enhancement graphite composite pipe fitting
09/26/2012CN202451986U Polyvinyl chloride drain pipe
09/26/2012CN202451985U Visible high-pressure material delivery pipe
09/26/2012CN202451984U Special-outer wall buried combination pipeline
09/26/2012CN102691832A Glass fiber enhanced high-density polyethylene (HDPE) double-walled winding pipe and manufacture method thereof
09/26/2012CN102691831A Sand pipe
09/26/2012CN102691830A Buried prestressed steel cylinder concrete pipe having long service life and subjected to multi-layer anti-corrosion treatment
09/26/2012CN102691829A Nano modified sand pipe
09/26/2012CN102690995A High-temperature resistant seamless steel pipe and production method thereof
09/26/2012CN102690993A Water cooled wall seamless tube used for thermal power and production method thereof
09/26/2012CN102690983A Processing method of Co alloy reformer tube
09/26/2012CN102689442A Wound corrugated pipe with enhanced inner fin by hollow roller forming and production process of wound corrugated pipe
09/26/2012CN102172983B Production method of steel plastic concrete composite wound pipe
09/26/2012CN101796129B Fire-resistant piping material
09/25/2012US8273432 Automotive fuel hose
09/25/2012US8272407 Flexible hose and a paint application apparatus and system with same
09/24/2012CA2772508A1 Method for handling a fiber reinforced plastic tube, and combination of such tube wound on a reel
09/22/2012CA2771608A1 Pipe member equipped with heat insulation core pipeline and u-shaped annularly-distributed pipeline
09/20/2012WO2012122808A1 Elbow for concrete conveying pipe
09/20/2012WO2012101323A3 A conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint
09/20/2012WO2012101322A3 A conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint
09/20/2012US20120234429 Omni-directional delivery tube
09/20/2012US20120234428 Nickel-Plated Steel Sheet for Manufacturing Pipe Having Corrosion Resistance Against Fuel Vapors, Pipe Which Uses the Steel Sheet,and Fuel Supply Pipe Which Uses the Steel Sheet
09/20/2012US20120234427 Multilayer Tube with an Aluminium Alloy Core Tube
09/20/2012US20120234426 Steel Sheet Used to Manufacture Pipe and Having Corrosion-Resistant Properties Against Fuel Vapors, and Pipe and Fuel Supply Pipe That Use Same
09/20/2012US20120234233 Supply tube for a painting system
09/20/2012DE102011014070A1 Rohr mit Opferanode Tube with sacrificial anode
09/19/2012EP2500616A1 Pipe with sacrificial anode
09/19/2012EP2498974A1 Plastic multilayer-wall curved segment for assembling pipes
09/19/2012CN202442019U Composite bend straight pipe and concrete pump truck
09/19/2012CN202442018U Prestressed concrete cylinder pipe (PCCP) capable of being perforated
09/19/2012CN202442017U Multiunit tube applied to convey liquid substance
09/19/2012CN202442016U Novel plastic-coated steel tube
09/19/2012CN202442015U Antibacterial composite tube
09/19/2012CN202442014U Water pipe for ship diesel engine
09/19/2012CN202442013U Antirust pipe
09/19/2012CN202442012U Assembling type light high-strength metal tube
09/19/2012CN202442011U Pipeline with mark for intelligently monitoring composite repairing
09/19/2012CN102679053A Lining type prestress steel cylinder concrete pipe with corrosion layer on surfaces of steel cylinder and pipe
09/19/2012CN102679052A Lining type prestressed concrete cylinder pipe combining hot dip galvanizing and epoxy coal tar pitch erosion resisting
09/19/2012CN102679051A Embedded type prestressed concrete cylinder pipe combining hot dip galvanizing and epoxy coal tar pitch erosion-resisting
09/19/2012CN102679050A Plastic coated steel pipe
09/19/2012CN102679049A Polyurethane spiral composite abrasion resistant pipe
09/19/2012CN102679048A Multilayer compound pipeline capable of predicting and pre-warning corrosion depth of pipeline
09/19/2012CN102679047A Continuous filament wound and reinforced thermoplastic pipe and manufacturing process thereof
09/19/2012CN102679046A Flow- optimized fluid line
09/19/2012CN102679045A Ultra-high-molecular-weight polyethylene (PE) antibacterial pipe with silver-loaded active carbon layer
09/19/2012CN102675769A High-strength PVC (Poly Vinyl Chloride) pipe
09/19/2012CN102675729A Non-excavating enhanced and modified polypropylene draining pipe
09/19/2012CN102672326A Method for manufacturing copper-aluminum welded joint of capillary tube and copper end sleeved aluminum capillary tube
09/13/2012WO2012121390A1 Material for nuclear power device, heat transfer tube for steam generator, steam generator, and nuclear power plant
09/13/2012WO2012119234A1 Processes and devices for applying coatings to the interior of tubes
09/13/2012US20120228865 Independently expandable double containment joint
09/13/2012US20120227853 Flow- optimized fluid line
09/13/2012US20120227852 Layer for Pipes Made of Multimodal Polyethylene Composition
09/13/2012DE19810856B4 Wickelrohr und Verfahren zu seiner Herstellung Winding tube and method for its preparation
09/13/2012DE102011013572A1 Durchflussoptimierte Fluidleitung Flow-optimized fluid management
09/13/2012CA2828991A1 Processes and devices for applying coatings to the interior of tubes
09/12/2012CN202432137U Mortar pipeline wound by glass reinforced plastics
09/12/2012CN202432136U Steel-strip overlapped type reinforced steel-plastic pipe
09/12/2012CN202432135U Novel corrosion-resistant corrugated pipe
09/12/2012CN202432134U Novel submarine water transmission pipe
09/12/2012CN202432133U Steel wire skeleton steel-plastic composite pipe
09/12/2012CN202432132U Environment-friendly stainless steel tube
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