|
| US4029129 | 26 Mar 1976 | 14 Jun 1977 | | Helical pipe lock seam |
| US4085604 | 8 Nov 1976 | 25 Abr 1978 | Manufacturers Systems, Inc. | Method of making corrugated flexible metal tubing |
| US4108212 | 9 Feb 1976 | 22 Ago 1978 | Manufacturers Systems, Inc. | Corrugated flexible metal tubing and method and apparatus for making same |
| US4141385 | 7 Mar 1977 | 27 Feb 1979 | | Flexible corrugated tube |
| US4481978 | 3 Jul 1979 | 13 Nov 1984 | Westaflex-Werk L.U.F. Westerbarkey GmbH & Co. | Method of manufacturing helically wound tubes and tubes manufactured by said method |
| US4486484 | 28 Sep 1982 | 4 Dic 1984 | Security Lumber & Supply Co. | Strip of flexible corrugated material |
| US4622838 | 23 Ene 1986 | 18 Nov 1986 | Security Lumber & Supply Co. | Apparatus for manufacturing flexible corrugated tubes |
| US4687690 | 10 Oct 1985 | 18 Ago 1987 | Rib Loc Hong Kong Limited | Method of and means for forming and sealing helically wound tubes |
| US4714508 | 25 Mar 1986 | 22 Dic 1987 | Alopex Industries, Inc. | Fixture and method for making spiral wound hose |
| US4753256 | 18 Nov 1985 | 28 Jun 1988 | Alopex Industries, Inc. | Pool cleaner hose |
| US4854416 | 11 Jul 1986 | 8 Ago 1989 | Titeflex Corporation | Tuned self-damping convoluted conduit |
| US4867269 | 1 Oct 1987 | 19 Sep 1989 | Titeflex Corporation | Tuned self-damping convoluted conduit |
| US5074138 | 9 Ene 1991 | 24 Dic 1991 | | Method of making bellows pipe |
| US5158115 | 19 Ago 1991 | 27 Oct 1992 | | Bellows pipe construction |
| US5158814 | 4 Abr 1991 | 27 Oct 1992 | Hose Master, Inc. | Flexible metal conduit and method of making the same |
| US5222288 | 6 Dic 1991 | 29 Jun 1993 | Tru-Flex Metal Hose Corporation | Method for forming a spiral-wound flexible piping |
| US5228479 | 17 Jun 1991 | 20 Jul 1993 | Tru-Flex Metal Hose Corporation | Multi-layered flexible piping and method and machine for forming same |
| US5350885 | 8 Abr 1992 | 27 Sep 1994 | Monogram Industries, Inc. | Armored cable |
| US5468914 | 19 Oct 1993 | 21 Nov 1995 | Monogram Industries Inc. | Armored cable |
| US5494319 | 6 Jun 1994 | 27 Feb 1996 | Tru-Flex Metal Hose Corporation | Sleeved flexible metal piping, method of manufacturing same and flue system application of same |
| US5538294 | 1 Nov 1994 | 23 Jul 1996 | Tru-Flex Metal Hose Corporation | Corrugated flexible metal piping assembly |
| US5557071 | 2 Jun 1995 | 17 Sep 1996 | WPFY, Inc. | Armored cable |
| US5708235 | 11 Sep 1996 | 13 Ene 1998 | WPFY, Inc. | Armored cable |
| US6311736 | 28 May 1998 | 6 Nov 2001 | Donaldson Company, Inc. | Flexible hose and method for manufacturing |
| US6378561 | 24 Feb 2001 | 30 Abr 2002 | Tru-Flex Metal Hose Corp. | Self-sealing flexible metal hose |
| US6418971 | 10 Jul 2001 | 16 Jul 2002 | Hose Master, Inc. | Flexible metal conduit |
| US6488052 | 18 Mar 2002 | 3 Dic 2002 | Westfalia Metallformtechnik GmbH & Co. | Multilayer tube formed of profiled strip |
| US6497254 | 4 May 2001 | 24 Dic 2002 | Tru-Flex Metal Hose Corporation | Self-sealing flexible metal hose |
| US6825418 | 16 May 2000 | 30 Nov 2004 | WPFY, Inc. | Indicia-coded electrical cable |
| US7420120 | 3 Dic 2004 | 2 Sep 2008 | WPFY, Inc. | Flexible conduit and cable |
| US7465878 | 18 Ago 2004 | 16 Dic 2008 | WPFY, Inc. | Indicia-marked electrical cable |
| US7954530 | 15 Jun 2009 | 7 Jun 2011 | Encore Wire Corporation | Method and apparatus for applying labels to cable or conduit |
| USRE38345 | 13 Ene 2000 | 16 Dic 2003 | WPFY, Inc. | Armored cable |