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Class Information
Number: 138/177
Name: Pipes and tubular conduits > Structure
Description: Subject matter relating to the make-up of the pipe wall and not otherwise classifiable.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
7735525 Thermally insulated apparatus for liquid chromatographic analysis Jun. 15, 2010
7730909 Accessory for a vapor generator Jun. 8, 2010
7726346 Outer tubular reinforcement member Jun. 1, 2010
7726345 Metallic strip and methods and structures incorporating the same Jun. 1, 2010
7699078 Thermally insulated ductwork and method of manufacture Apr. 20, 2010
7644733 Duct with spiral groove Jan. 12, 2010
7607458 Housing with intersecting passages Oct. 27, 2009
7568505 Fuel hose Aug. 4, 2009
7569262 Flexible monolayer elastomer films and bag for medical use Aug. 4, 2009
7511099 Polymer composition Mar. 31, 2009
7490631 Integrally formed flanged metal pipe and method of manufacturing thereof Feb. 17, 2009
7487799 Flow channel for liquids Feb. 10, 2009
7478653 Resin composite fuel hose Jan. 20, 2009
7475706 Variable curvature tube and draw die therefor Jan. 13, 2009
7475705 Manufacturing method for multi-material tube structures Jan. 13, 2009
7458532 Low profile attachment for emitting water Dec. 2, 2008
7419106 Blower nozzle with variable velocity output Sep. 2, 2008
7393597 Welded joint made of an austenitic steel Jul. 1, 2008
RE39968 PTFE tube Jan. 1, 2008
7314067 Design and manufacturing method for multi-material tube structures Jan. 1, 2008
7314066 Air distributor for a bioleaching system Jan. 1, 2008
7216676 Apparatus and method for shaping hose May. 15, 2007
7207354 Design and manufacturing method for multi-material tube structures Apr. 24, 2007
7174958 Drill string member Feb. 13, 2007
7165580 Cable projectile catcher Jan. 23, 2007
7159653 Spacer sub Jan. 9, 2007
7140398 Sports equipment having a tubular structural member Nov. 28, 2006
7134456 Pipe body, method of manufacturing pipe body, and image forming apparatus using the pipe body Nov. 14, 2006
7121590 Hose device Oct. 17, 2006
7114524 Fluid flow in tubing Oct. 3, 2006
7104068 Turbine component with enhanced stagnation prevention and corner heat distribution Sep. 12, 2006
7069953 Plastic corrugation corrugated pipe with monolithic container Jul. 4, 2006
7063108 Corrugation structure for pipe Jun. 20, 2006
7044210 Heat transfer pipe and heat exchange incorporating such heat transfer pipe May. 16, 2006
7025093 Polyurethane elastomer gel insulating composition and use thereof Apr. 11, 2006
7005574 Electrical metallic tube, coupling, and connector apparatus and method Feb. 28, 2006
6983770 Method of manufacturing pipe body and pipe body manufactured by the method Jan. 10, 2006
6955023 Unitary metal structural member with internal reinforcement Oct. 18, 2005
6951673 Mineral wool element with enhanced reaction to fire, air duct comprising the same Oct. 4, 2005
6949277 High performance thermoplastic Sep. 27, 2005
6941972 Corrugated pipe Sep. 13, 2005
6935377 High-pressure fuel injection pipe having connecting head Aug. 30, 2005
6933347 Tubes obtained from a propylene polymer composition Aug. 23, 2005
6929035 Thin walled compartmented tubular structure and its manufacturing process Aug. 16, 2005
6915821 Metal tube and its production method Jul. 12, 2005
6913082 Reduced debris milled multilateral window Jul. 5, 2005
6903267 Electrical metallic tube, coupling, and connector apparatus and method Jun. 7, 2005
6899139 Tube for pumping a space between two tiles, especially for a plasma display May. 31, 2005
6896007 Hydro-dynamic static mixing apparatus and method for use thereof in transporting, conditioning and separating oil sands and the like May. 24, 2005
6896006 Design and manufacturing method for multi-material tube structures May. 24, 2005

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