Patents for F16L 9 - Rigid pipes (18,006)
12/2005
12/20/2005US6976510 Corrosion resistant metal tube and process for making the same
12/18/2005CA2509518A1 Multilayer structure having a layer based on polyamide and on hdpe
12/15/2005WO2005119116A2 Pipe joint assembly
12/15/2005WO2005119112A1 Flexiform tubing
12/15/2005WO2005065286B1 Highly kink-resistant corrugated tubing
12/15/2005US20050277720 Polypropylene compositions especially for pipes
12/15/2005US20050277347 Buoyancy control systems for tubes
12/15/2005US20050276945 Composite articles and methods of making the same
12/15/2005US20050275223 Integrally formed flanged metal pipe and method of manufacturing thereof
12/15/2005US20050274697 Process for the continuous production of longitudinally welded metal tubes
12/15/2005US20050274425 Flexiform tubing
12/15/2005US20050274424 Gastight decoupling element from stripwound hoses
12/15/2005DE202005016324U1 Plastic pipe for e.g. gas under pressure, with detection and location system for damage caused by trenchless laying, includes aluminum conductive spiral embedded close to outer surface
12/15/2005DE102004035407A1 Formstück aus Kunststoff zum Herstellen von Rohrleitungen Shaped piece of plastic for the manufacture of pipes
12/15/2005DE102004025135A1 Verfahren und Anordnung zur Leckagevorwarnung und Bauteilpositionierungsanzeige bei Muffenverbindungen Method and apparatus for Leckagevorwarnung and component positioning display at socket connections
12/14/2005EP1605194A1 Multiple walled rolled tube and method for manufacturing same
12/14/2005EP1604768A1 Method for the continuous production of longitudinally seam welded metal tube
12/14/2005EP1133653B1 Method of making a pipe, and a pipe
12/14/2005CN2746236Y Anti-penetration compound tube
12/14/2005CN2746235Y Female end and socket rolling suspension processed reinforced concrete pipe
12/14/2005CN2746234Y Low temp fluid transporting pipe with vacuum sandwich
12/14/2005CN2746233Y One-side galvanized pipe
12/14/2005CN1708557A Polymeric pipes and liners and fuel lines made from blends of fluoroppolymers and polyamides
12/14/2005CN1707148A Umbilical filling
12/14/2005CN1706582A Process for the continuous production of longitudinally welded metal tubes
12/14/2005CN1231528C Polyolefin coated steel pipes
12/13/2005US6974634 Metal felt laminates
12/08/2005WO2005115640A1 Moulded body with evaporation-sputtered layers
12/08/2005US20050271896 Multiple walled rolled tube and method for manufacturing same
12/08/2005US20050269017 Method and device for producing a hollow body by rotation and resulting products
12/08/2005DE10349035B4 Rohrleitung und Verfahren zur Herstellung Piping and methods for preparing
12/08/2005DE102004023881A1 Gedämmtes Rohr, enthaltend mit Ameisensäure hergestelltes Polyurethan Insulated pipe containing polyurethane produced with formic acid
12/08/2005DE102004000046B3 Luftführungskanal Air duct
12/08/2005DE10134271B4 Rohrprofil für biegsame Leitungen mit ovalen Querschnitt Tube profile for flexible pipes with oval cross-section
12/08/2005CA2509306A1 Multiple walled rolled tube and method for manufacturing same
12/07/2005EP1601701A1 Olefin polymers, method of making, and use thereof
12/07/2005CN1705850A Corner piece-less duct, method of producing the same, and duct-forming machine
12/07/2005CN1704636A Method for processing stainless steel/carbon steel composite pipe
12/07/2005CN1230642C Method and device for producing alloy plastic self-limiting heat supply composite pipe
12/06/2005US6971414 Flexible conduit, particularly for sanitary purposes
12/01/2005WO2005114021A1 Active thermal insulating device for gas piping
12/01/2005WO2005114020A1 Corrosion-resistant exterior alloy for composite tubes
12/01/2005US20050264003 Pipe joint assembly
12/01/2005DE202005014630U1 Protective casing-plastic tube comprises a core tube made from high density polyethylene and a wear protection casing made from polypropylene
12/01/2005DE102004022017A1 Production of a pipe system for transporting gases or liquids comprises connecting half shells by resistance welding, especially capacitor discharge welding
12/01/2005DE102004005310B4 Split cylinder tube as protective cover for electrical cables in motor vehicles has projections on opposite edges of slit held together by separate gripper
11/2005
11/30/2005EP1600519A1 Heating furnace tube made of rare earth oxide dispersion strengthened ferrous alloy and method of using the same
11/30/2005EP1238128B1 Reinforced fabric
11/30/2005CN2743652Y Copper water pipe having external thread
11/30/2005CN2743651Y Alloy steel composite steel pipe used as machine cylinder
11/30/2005CN1702363A Plastic lined steel pipe with end corrosive protection core and method for producing same
11/30/2005CN1702242A Steel band reinforced plastic drainpipe and method and apparatus for manufacturing the same
11/30/2005CN1229426C Industrial polyolefin piping system
11/24/2005WO2005110717A1 Composite hollow body and method and device for making same
11/24/2005US20050260429 Kraft chemicals are recovered from black liquor in a kraft recovery boiler having metal tubes subject to corrosive and cracking forces of the kraft recovery process, in a wall or floor of the boiler, wherein the improvement comprises that at least some of the tubes comprise composite tubes
11/24/2005US20050259941 Fire resistant conduit insert for optical fiber cable
11/24/2005US20050257861 Dual seam-welded air hardenable steel tubing and structural members
11/24/2005US20050257848 Plastic lined steel pipe with end corrosive protection core and method for producing same
11/24/2005US20050257847 Multi-layer duct for air distribution in air conditioning systems for vehicles, in particular aircrafts, and an element for fixing the duct to the structure of an aircraft
11/23/2005EP1598586A1 Method and system for preventing leakage and indicating relative positions of elements in an inserted joint
11/23/2005EP1598179A1 Molded plastic article for manufacturing tubes
11/23/2005EP1216376B1 Pipe for pipelines, especially for transporting corrosive or abrasive media
11/23/2005CN2742258Y Composite anti-corrosion press resistance plastic steel pipe
11/23/2005CN2742257Y Smelting connecting aluminium plastic pipe
11/23/2005CN2742256Y Composite heat insulation directly buried pipeline
11/23/2005CN1228355C Propylene polymer pipes for pipelines
11/22/2005CA2409304C Composite spoolable tube
11/22/2005CA2321536C Composite spoolable tube
11/22/2005CA2311388C Tool cooling system
11/17/2005WO2005108844A2 Threaded connection for oil field applications
11/17/2005WO2005108051A1 Fluid transfer member
11/17/2005DE19619957B4 Rohre aus einer mit Polyurethanklebstoff gebundenen Feststoffschicht aus Quarzsand Pipes from a solid layer bonded with polyurethane glue from quartz sand
11/17/2005DE10019384B4 Verfahren zur Herstellung eines Verbundrohres sowie ein Verbundrohr zum Transport fluider Medien A process for producing a composite pipe as well as a composite pipe for transporting fluid media
11/16/2005EP1595904A2 Insulated pipe containg a polyurethane prepared with formic acid
11/16/2005EP1425532A4 Low permeation nylon tube with aluminium barrier layer
11/15/2005US6964800 Plastic-based multilayer structure and tube having a multilayer structure
11/10/2005WO2005106308A1 Manufacture of reinforced tubular products of predetermined length
11/10/2005WO2005106307A1 Multilayered pipe
11/10/2005WO2005106184A1 Composite marine riser
11/10/2005WO2005105777A1 Substituted thiophene amide compounds for the treatment of inflammation
11/10/2005WO2005045144A3 Water-conducting body comprising a coating of a glass-like composite matrix
11/10/2005US20050249965 Continuously manufactured colored metallic products and method of manufacture of such products
11/10/2005US20050249558 Composite marine riser
11/10/2005US20050248154 Threaded connection for oil field applications
11/10/2005US20050247365 Sectional heat insulating jacket
11/10/2005US20050246995 Method of reinforcing an embedded cylindrical pipe
11/10/2005CA2582946A1 Manufacture of reinforced tubular products of predetermined length
11/09/2005EP1593896A1 Plastic pipes
11/09/2005EP1592908A2 Fiber reinforced pipe
11/09/2005CN2739450Y Brass-plastic composite pipe
11/09/2005CN2739449Y Glass fiber reinforced plastic draw-off pipe
11/09/2005CN2739448Y Two-phase prestressed concrete water delivery pipe
11/09/2005CN1226340C Micro-gravity infiltrating irrigation tube, its preparation process and application in greenhouse
11/03/2005WO2005103546A1 Multi-layer duct and related manufacturing process
11/03/2005WO2005103545A1 A tube reinforced with a polymer and steel cord strip
11/03/2005US20050244576 Multilayer pipe and method for manufacturing one
11/03/2005US20050241605 Fluid flow surface with indentations
11/03/2005US20050241357 Method for producing a metal tube
11/02/2005EP1590592A1 Plastic ventilation duct that has at least two layers and is made at least partially antistatic
11/02/2005EP1590167A2 Duct board with water repellant mat