Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628943 | Portable pipe repair system with electrically heated positioning member | John Perry Nixon, William Lepola | 2009-12-08 |
| 7628949 | Method and apparatus of curing concrete structures | — | 2009-12-08 |
| 7517212 | Portable pipe repair system with electrically heated positioning member | John Perry Nixon, William Lepola | 2009-04-14 |
| 7267739 | Tensioned pipe support | William Lepola | 2007-09-11 |
| 7135087 | Apparatus and method for the repair and stabilization of underground pipes | William Lepola | 2006-11-14 |
| 7073536 | Apparatus, methods, and liners for repairing conduits | Mark Sloan, William Lepola | 2006-07-11 |
| 7052567 | Inflatable heating device for in-situ repair of conduit and method for repairing conduit | William Lepola | 2006-05-30 |
| 6146576 | Method of forming advanced cured resin composite parts | — | 2000-11-14 |
| 5656231 | Method of forming advanced cured resin composite parts | — | 1997-08-12 |
| 5648137 | Advanced cured resin composite parts and method of forming such parts | — | 1997-07-15 |
| 5606997 | Method for rehabilitating pipe line and resin impregnated lining having an integral heating element | Mark Sloan | 1997-03-04 |
| 5591291 | Method of forming advanced cured resin composite parts | — | 1997-01-07 |
| 5451351 | Method for rehabilitating a pipe with a liner having an electrically conductive layer | — | 1995-09-19 |
| 4976290 | Tubular member having a liner | Robert J. Gelin | 1990-12-11 |