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Class Information
Number: 138/154
Name: Pipes and tubular conduits > Spirally seamed
Description: Device having a spirally extending seam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7503999 |
Member for producing castings |
Mar. 17, 2009 |
| 7459205 |
Reinforcing net |
Dec. 2, 2008 |
| 7418980 |
Vacuum cleaner hose |
Sep. 2, 2008 |
| 7347910 |
Method for manufacturing a container end wall of lightweight construction and a container provided with such an end wall |
Mar. 25, 2008 |
| 7174922 |
Composite strip windable to form a helical pipe and method therefor |
Feb. 13, 2007 |
| 7004202 |
Composite strip windable to form a helical pipe and method therefor |
Feb. 28, 2006 |
| 6889715 |
Flexible tubular member with sealed tape layer |
May. 10, 2005 |
| 6827109 |
Flexible hose and method of manufacture |
Dec. 7, 2004 |
| 6815026 |
Helically-wound duct |
Nov. 9, 2004 |
| 6705351 |
Flexible pipe and method of fabricating same using overlapping layers |
Mar. 16, 2004 |
| 6615875 |
Liner for reinforcing a pipe and method of making the same |
Sep. 9, 2003 |
| 6561228 |
Helically wound lock seam tube |
May. 13, 2003 |
| 6513553 |
Helically wound lock-seam tube |
Feb. 4, 2003 |
| 6497254 |
Self-sealing flexible metal hose |
Dec. 24, 2002 |
| 6488052 |
Multilayer tube formed of profiled strip |
Dec. 3, 2002 |
| 6427727 |
Flexible hose length control system, exhaust system application, and manufacturing method |
Aug. 6, 2002 |
| 6418971 |
Flexible metal conduit |
Jul. 16, 2002 |
| 6394145 |
Flexible conduit, such as pipe for medical or surgical use |
May. 28, 2002 |
| 6378561 |
Self-sealing flexible metal hose |
Apr. 30, 2002 |
| 6374864 |
Helically-wound conduit |
Apr. 23, 2002 |
| 6360780 |
Liner for reinforcing a pipe and method of making the same |
Mar. 26, 2002 |
| 6240972 |
Multi-wound metal tube |
Jun. 5, 2001 |
| 6237642 |
Sealing-tight pipe with acoustic damping for the transport of gaseous fluids, and a method of producing the same |
May. 29, 2001 |
| 6152186 |
Lightweight hose with a helically-wound reinforcing member and method for making the same |
Nov. 28, 2000 |
| 6110550 |
Limited permeability sheath and application to pressure pipes |
Aug. 29, 2000 |
| 6105621 |
Flexible oval duct for heating and cooling systems and method such ducts |
Aug. 22, 2000 |
| 6085484 |
Building structure |
Jul. 11, 2000 |
| 6085801 |
Helically wound lock-seam tube |
Jul. 11, 2000 |
| 6076561 |
Heat insulated hose |
Jun. 20, 2000 |
| 6071581 |
Die assembly for molding cylindrical body and cylindrical body produced using same |
Jun. 6, 2000 |
| 6053212 |
Length-controlled flexible hose and method of manufacturing same |
Apr. 25, 2000 |
| 6024131 |
Flexible tubing |
Feb. 15, 2000 |
| 6024134 |
Flexible hose |
Feb. 15, 2000 |
| 6021817 |
Multi-layer plastic helical pipe and method for the production thereof |
Feb. 8, 2000 |
| 6016847 |
Flexible tubular conduit |
Jan. 25, 2000 |
| 5975144 |
Flexible hose made of nonwoven fabric |
Nov. 2, 1999 |
| 5837083 |
Method of forming a rigid tubular body |
Nov. 17, 1998 |
| 5799701 |
Method of and an apparatus for lining a pipeline |
Sep. 1, 1998 |
| 5795634 |
Heat insulating noise reducing duct |
Aug. 18, 1998 |
| 5780123 |
Tubular liner and a method for connecting ends of liner tubes |
Jul. 14, 1998 |
| 5768928 |
Method of making an hydraulically efficient ribbed pipe |
Jun. 23, 1998 |
| 5769127 |
Resin pipe |
Jun. 23, 1998 |
| 5758695 |
Hydraulically efficient ribbed pipe |
Jun. 2, 1998 |
| 5727598 |
Pipe wall segment and pipe having sidewall |
Mar. 17, 1998 |
| 5669420 |
Casing and flexible tubular conduit comprising such a casing and process for producing it |
Sep. 23, 1997 |
| 5662145 |
Dual bias weld for continuous coiled tubing |
Sep. 2, 1997 |
| 5660912 |
Plastic profiled strip forming helically wound tube using hinged flap for jointing |
Aug. 26, 1997 |
| 5560969 |
Tubular supporting element for a sleeve for covering junctions, particularly of cables for transmitting electrical energy |
Oct. 1, 1996 |
| 5553640 |
Stainless steel strip plated with brazing alloy for multilayer tube manufacturing |
Sep. 10, 1996 |
| 5494319 |
Sleeved flexible metal piping, method of manufacturing same and flue system application of same |
Feb. 27, 1996 |
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