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Class Information
Number: 138/145
Name: Pipes and tubular conduits > Distinct layers > Coated
Description: Device wherein the pipe has one or more layers of material deposited thereon.


Sub-classes under this class:

Class Number Class Name Patents
138/146 Diverse coating material 220


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7575789 Coated pipes for conveying oil Aug. 18, 2009
7557052 Hose for introduction and distribution of inflator gas Jul. 7, 2009
7537815 Fluoropolymer composition for oil pipe May. 26, 2009
7497235 Resin tube for fuel piping Mar. 3, 2009
7472724 Method and apparatus for creating, using, and dispensing tubes Jan. 6, 2009
7462307 Singlelayer and multilayer polyolefin foam pipes Dec. 9, 2008
7444805 Substantially fibrous refractory device for cleaning a fluid Nov. 4, 2008
7431321 Trailer hitch assembly Oct. 7, 2008
7429323 Water treatment system and pressure pipe therefor Sep. 30, 2008
7418979 Method and apparatus for preventing foam disbondment Sep. 2, 2008
7311091 Temperature-controlled PCV valve Dec. 25, 2007
7231941 Hose for transporting fluid Jun. 19, 2007
7223455 Duct board with water repellant mat May. 29, 2007
7135239 Composite material made of high-strength aluminum alloy Nov. 14, 2006
7069978 Chemically compatible, lightweight heat pipe Jul. 4, 2006
7048010 Drip irrigation system May. 23, 2006
7032622 Hose for introduction and distribution of inflator gas Apr. 25, 2006
7032621 High temperature line expansion installation with release agent Apr. 25, 2006
6986367 Faced mineral fiber insulation board with integral glass fabric layer Jan. 17, 2006
6986922 Singlelayer and multilayer polyolefin foam pipes Jan. 17, 2006
6984457 Titanium material, production thereof, and exhaust pipe Jan. 10, 2006
6972145 Semipermeable coating for building materials Dec. 6, 2005
6893720 Object coated with carbon film and method of manufacturing the same May. 17, 2005
6863089 Hose for introduction and distribution of inflators gas Mar. 8, 2005
6854487 Fluid conduit wall inhibiting heat transfer and method for making Feb. 15, 2005
6843277 Duct and electronic apparatus having the duct Jan. 18, 2005
6841212 Heat-recoverable composition and article Jan. 11, 2005
6799608 Bent pipe and a method for preparing thereof Oct. 5, 2004
6790497 Superhard material article of manufacture Sep. 14, 2004
6789528 High pressure fuel supply device having plating layer and manufacturing method thereof Sep. 14, 2004
6758282 Fire protection pipe and methods of manufacture Jul. 6, 2004
6706350 Corrosion-resistant pipe and method for the preparation thereof Mar. 16, 2004
6706776 Syntactic foams with improved water resistance, long pot life and short demolding times Mar. 16, 2004
6688338 Secondary containment system for pipelines Feb. 10, 2004
6670021 Monolithic ceramic attachment bushing incorporated into a ceramic matrix composite component and related method Dec. 30, 2003
6652937 Composite thermoplastic-elastomer product Nov. 25, 2003
6645588 Coating composition Nov. 11, 2003
6632475 Method of lining underground pipes and apparatus for performing the method Oct. 14, 2003
6615878 Pipe thermally insulated by an elastomeric material and manufacturing method Sep. 9, 2003
6612343 Use of polymer compositions for coating surfaces, and surface coatings comprising such compositions Sep. 2, 2003
6602025 Process for lining canals, ditches and pipes with a non-sagging polyurethane/geofabric composite Aug. 5, 2003
6579628 Multi-layered anti-coking heat resistant metal tube and method for manufacture thereof Jun. 17, 2003
6554992 Aluminum alloy exterior coating for underground ductile iron pipe Apr. 29, 2003
6530137 Heat-insulated pipe and manufacturing method Mar. 11, 2003
6509073 Crosslinked compositions of thermoplastic fluoropolymers Jan. 21, 2003
6478078 Heat exchanger for cooling circulating water of fuel cells & process for producing same Nov. 12, 2002
6425418 Flexible tube and manufacturing method for the same Jul. 30, 2002
6423389 Metal tube armored linear body, metal tube armoring linear body, method and apparatus for manufacturing metal tube armored linear body Jul. 23, 2002
6410171 Protecting metal from carbon Jun. 25, 2002
6349747 Use of polymer compositions for coating surfaces, and surface coating comprising such compositions Feb. 26, 2002

1 2 3 4 5 6


 
 
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