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Class Information
Number: 138/140
Name: Pipes and tubular conduits > Distinct layers
Description: Device having more than one layer in the pipe wall make-up.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624761 |
Tube shaped high pressure storage tank |
Dec. 1, 2009 |
| 7588056 |
Methods and systems for enhanced fluid transport |
Sep. 15, 2009 |
| 7588057 |
Insulated hose assembly and method of manufacture |
Sep. 15, 2009 |
| 7588058 |
Coated pipes for harsh environments |
Sep. 15, 2009 |
| 7575789 |
Coated pipes for conveying oil |
Aug. 18, 2009 |
| 7568505 |
Fuel hose |
Aug. 4, 2009 |
| 7562679 |
Resin pipe and resin molded component |
Jul. 21, 2009 |
| 7556067 |
Fuel tank filler neck assembly |
Jul. 7, 2009 |
| 7550185 |
Port tube and closure composition, structure and assembly for a flowable material container |
Jun. 23, 2009 |
| 7509980 |
Ventilation tubing in particular for an airconditioning system |
Mar. 31, 2009 |
| 7497235 |
Resin tube for fuel piping |
Mar. 3, 2009 |
| 7490632 |
Flexible hose, preferably a charge-air hose for automotive vehicles |
Feb. 17, 2009 |
| 7485591 |
Electrospun nanofiber-based biosensor assemblies |
Feb. 3, 2009 |
| 7479315 |
Material for fuel-system part and fuel-system part comprising the same |
Jan. 20, 2009 |
| 7478654 |
Hose |
Jan. 20, 2009 |
| 7478653 |
Resin composite fuel hose |
Jan. 20, 2009 |
| 7472723 |
Tube for conveying fluids and method for its production |
Jan. 6, 2009 |
| 7472725 |
Heat-insulated conduit |
Jan. 6, 2009 |
| 7462307 |
Singlelayer and multilayer polyolefin foam pipes |
Dec. 9, 2008 |
| 7445029 |
Hose for water and hot water supply |
Nov. 4, 2008 |
| 7396597 |
Ni-Cr-Fe alloy and Ni-Cr-Fe alloy pipe having resistance to carburization and coking |
Jul. 8, 2008 |
| 7389799 |
Antistatic hose for conveying fluids |
Jun. 24, 2008 |
| 7381454 |
Tubular product |
Jun. 3, 2008 |
| 7306013 |
Fuel hose |
Dec. 11, 2007 |
| 7281547 |
Multi-layered flexible tube |
Oct. 16, 2007 |
| 7273645 |
Fluorocopolymer |
Sep. 25, 2007 |
| 7268562 |
Low cost detectible pipe and electric fencing manufactured from conductive loaded resin-based materials |
Sep. 11, 2007 |
| 7231941 |
Hose for transporting fluid |
Jun. 19, 2007 |
| 7232597 |
Corrugated polyamide tube |
Jun. 19, 2007 |
| 7228878 |
Catheter tubing with improved stress-strain characteristics |
Jun. 12, 2007 |
| 7226649 |
Laser weldable flexible medical tubings, films and assemblies thereof |
Jun. 5, 2007 |
| 7223455 |
Duct board with water repellant mat |
May. 29, 2007 |
| 7192646 |
Hose construction containing fluoroelastomer composition and fluoroplastic barrier |
Mar. 20, 2007 |
| 7160593 |
Polyefinic pipe having a chlorinated polyolefinic hollow core |
Jan. 9, 2007 |
| 7132160 |
Laminate tape |
Nov. 7, 2006 |
| 7132141 |
Multilayer polymer hose line or tubing having reduced length variations |
Nov. 7, 2006 |
| 7111646 |
Multilayer resin pipe |
Sep. 26, 2006 |
| 7094310 |
Method for joining high-pressure composite pipes |
Aug. 22, 2006 |
| 7069978 |
Chemically compatible, lightweight heat pipe |
Jul. 4, 2006 |
| 7059355 |
Pipe for water pipe and the like |
Jun. 13, 2006 |
| 7059354 |
Refrigerant transportation hose |
Jun. 13, 2006 |
| 7025093 |
Polyurethane elastomer gel insulating composition and use thereof |
Apr. 11, 2006 |
| 7017616 |
Reinforced hose |
Mar. 28, 2006 |
| 7011114 |
Automotive fuel hose |
Mar. 14, 2006 |
| 6986922 |
Singlelayer and multilayer polyolefin foam pipes |
Jan. 17, 2006 |
| 6977105 |
Multilayered tube and medical supply comprising multilayered tube |
Dec. 20, 2005 |
| 6964800 |
Plastic-based multilayer structure and tube having a multilayer structure |
Nov. 15, 2005 |
| 6941975 |
Refrigerant hose |
Sep. 13, 2005 |
| 6926039 |
Flexible pipe for transporting a fluid |
Aug. 9, 2005 |
| 6849314 |
Fluoropolymer blends and multilayer articles |
Feb. 1, 2005 |
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