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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
8689839 Apparatus for receiving insulation Apr. 8, 2014
8685182 High-strength steel pipe and producing method thereof Apr. 1, 2014
8671890 Pipe assembly Mar. 18, 2014
8667925 Method and apparatus for lining a conduit Mar. 11, 2014
8657013 Riser system Feb. 25, 2014
8657147 Fluid line Feb. 25, 2014
8652605 Method for producing a tubular hollow body, and tubular hollow body Feb. 18, 2014
8631873 Tubing hanger--production tubing suspension arrangement Jan. 21, 2014
8608871 High-strength steel tube having excellent chemical conversion treatability and excellent formability and method for manufacturing the same Dec. 17, 2013
8603269 Method of fabrication of corrosion resistant oil field tubulars Dec. 10, 2013
8555931 In-tank tube for automotive fuel and method of producing the tube Oct. 15, 2013
8556195 Low profile attachment for emitting water Oct. 15, 2013
8485230 Gas delivery system Jul. 16, 2013
8435612 Micro-machined structure production using encapsulation May. 7, 2013
8367174 Propylene-hexene random copolymer produced in the presence of a metallocene catalyst Feb. 5, 2013
8366980 Method for producing hollow structual body Feb. 5, 2013
8356635 Fluid transport device, in particular for fuel Jan. 22, 2013
8312750 Method for the production of a rotationally symmetrical part, and part produced according to said method Nov. 20, 2012
8286666 Mixing pipe for gas heater Oct. 16, 2012
8276619 Drain for exhaust gas duct Oct. 2, 2012
8251302 Low profile attachment for emitting water with connector for corrugated pipe Aug. 28, 2012
8245734 Tubular articles with varying wall thickness Aug. 21, 2012
8235074 Pope and pipe fittings Aug. 7, 2012
8210211 Method of manufacturing a unitary conduit for transporting fluids Jul. 3, 2012
8205642 Flow-through sandwich core structure and method and system for same Jun. 26, 2012
8205643 Multi-tubular fluid transfer conduit Jun. 26, 2012
8201583 Support for the building industry and method for the production of a pipe of a support for the building industry Jun. 19, 2012
8191583 Hydroformed product Jun. 5, 2012
8186386 Modular exhaust tube system May. 29, 2012
8182176 Tendon-supported membrane pipe May. 22, 2012
8146620 Non-circular pipe profile Apr. 3, 2012
8136554 Molded plastic pipe Mar. 20, 2012
8127799 Aircraft fluid transport line repair kit and method of use thereof Mar. 6, 2012
8096326 Fluid line and method of making the same Jan. 17, 2012
8011392 Piping having fluid-mixing region Sep. 6, 2011
7967032 Entrance/exit piping structure for intercooler and intercooler Jun. 28, 2011
7963298 Spherical tube end form for a fluid connection system Jun. 21, 2011
7946313 Flexible pipe May. 24, 2011
7878222 Ribbed hose for milk extraction Feb. 1, 2011
7862873 Biodegradable irrigation pipe Jan. 4, 2011
7819139 Liner for a flow meter Oct. 26, 2010
7810524 Resin composite hose and method for producing the same Oct. 12, 2010
7789109 Expansible and collapsible pre-conditioned air supply hose conduit Sep. 7, 2010
7780892 Tampon applicator with improved fingergrip and method of making same Aug. 24, 2010
7779868 Duct structure Aug. 24, 2010
7770604 Hollow profile used in the manufacture of a pipe Aug. 10, 2010
7757720 Ribbed spiral pipe Jul. 20, 2010
7753083 Method for producing connecting ends on metal hoses and hose piece comprising such connecting ends Jul. 13, 2010
7748650 Low profile attachment for emitting water Jul. 6, 2010
7741563 Closed type cable or the like protection and guide device Jun. 22, 2010

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