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Class Information
Number: 138/172
Name: Pipes and tubular conduits > Reinforced
Description: Device wherein the wall structure of the pipe is reinforced either by the shape of the wall or by at least one element applied to said wall.










Sub-classes under this class:

Class Number Class Name Patents
138/173 Corrugated 197
138/174 With embedded element 276


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8678042 Composite spoolable tube Mar. 25, 2014
8678043 Method for repairing and strengthening pipe with internal helically wound tensile reinforcement Mar. 25, 2014
8678041 Fiber reinforced spoolable pipe Mar. 25, 2014
8673418 Composite core densification Mar. 18, 2014
RE44796 Bladder system for reinforcing a portion of a longitudinal structure Mar. 11, 2014
8662111 Economical heavy concrete weight coating for submarine pipelines Mar. 4, 2014
8651149 Fluid filled jacket for concrete pipe Feb. 18, 2014
8636037 Flexible tube for fluid transport Jan. 28, 2014
8522827 Protective seal for pipeline assembly Sep. 3, 2013
8459306 Flexible pipe having pressure armour layer Jun. 11, 2013
8434526 Pliable-wall air ducts with suspended frames May. 7, 2013
8418337 Dry fiber wrapped pipe Apr. 16, 2013
8356636 Axially reinforced hose Jan. 22, 2013
8356634 System for controlling elongation of a conduit within which flowable material is conveyed Jan. 22, 2013
8353317 Soft crack arrestors for pipelines Jan. 15, 2013
8276622 Metal sheet ventilation/smoke duct section and manufacturing method thereof Oct. 2, 2012
8231445 Apparatus and method for providing detonation damage resistance in ductwork Jul. 31, 2012
8210212 Thermal insulation of flexible pipes Jul. 3, 2012
8163364 Flexible unbonded pipe and a method for producing such pipe Apr. 24, 2012
8162034 Thermal inner tube Apr. 24, 2012
8087425 Hose and tubing assemblies and mounting systems and methods Jan. 3, 2012
8033302 Polymer matrix reinforced stiffening element Oct. 11, 2011
8001997 Fiber reinforced spoolable pipe Aug. 23, 2011
7976920 Flexible unbonded pipe and a method for producing such pipe Jul. 12, 2011
7975728 Composite reinforced strip windable to form a helical pipe and method therefor Jul. 12, 2011
7971610 Tubular bodies and methods of forming same Jul. 5, 2011
7967031 Delivery pipe for the transport of solids Jun. 28, 2011
7963299 Heat dissipation Jun. 21, 2011
7946313 Flexible pipe May. 24, 2011
7918247 Garden hose with backbone Apr. 5, 2011
7743793 Hose construction Jun. 29, 2010
7735524 Hose Jun. 15, 2010
7730908 Self supporting reinforced header Jun. 8, 2010
7726346 Outer tubular reinforcement member Jun. 1, 2010
7541078 Fiber composite over-wrap for a cryogenic structure Jun. 2, 2009
7523765 Fiber reinforced spoolable pipe Apr. 28, 2009
7523766 Reinforced submarine pipeline and assembly of two coaxial pipelines comprising same Apr. 28, 2009
7500494 System and method for pipe repair Mar. 10, 2009
7497404 Piping support device Mar. 3, 2009
7475705 Manufacturing method for multi-material tube structures Jan. 13, 2009
7412761 Method of creating a sleeve on tubing Aug. 19, 2008
7367362 System and method for pipe repair May. 6, 2008
7357968 Reinforced, high pressure, low permeation multilayer hose Apr. 15, 2008
7347227 Method of reinforcing a cylindrical pipeline and prefabricated plate used in such method Mar. 25, 2008
7318454 Flexible tubular duct for the transport of fluid and particularly gaseous hydrocarbons with an anti-turbulence carcass and internal lining Jan. 15, 2008
7314067 Design and manufacturing method for multi-material tube structures Jan. 1, 2008
7273073 Method and device for the protection of a pipe portion Sep. 25, 2007
7243686 Hose Jul. 17, 2007
7234492 Double-sheath pipe for transporting fluids, provided with a device for limiting propagation of a buckle of the outer tube and method for limiting propagation Jun. 26, 2007
7228878 Catheter tubing with improved stress-strain characteristics Jun. 12, 2007

1 2 3 4 5 6 7










 
 
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