Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190719 | Tubing everting apparatus, assemblies, and methods | Rossen Robert Huckfeldt | 2019-01-29 |
| 9851041 | Tubing everting apparatus, assemblies, and methods | Rossen Robert Huckfeldt | 2017-12-26 |
| RE43910 | Liner installation in pipes | — | 2013-01-08 |
| 7476348 | Liner installation in pipes | — | 2009-01-13 |
| 6960313 | Method and apparatus for installing a flexible tubular liner | Steven R. Leffler | 2005-11-01 |
| 6390795 | Apparatus for everting a tube | Steven R. Leffler | 2002-05-21 |
| D369365 | Pipe line inspection device | — | 1996-04-30 |
| 5283010 | Tritium removal | — | 1994-02-01 |
| 4655638 | Waterstop for monolith joints and method | — | 1987-04-07 |
| 4626133 | Waterstop for monolith joints | — | 1986-12-02 |