Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164370 | Enhanced heat exchange tube | Peter W. Robinson, Brian C. Stacks, Daniel J. Angeli, Phillip Campbell, Ralph L. Webb | 2000-12-26 |
| 6067712 | Heat exchange tube with embossed enhancement | Ralph L. Webb, Louay M. Chamra | 2000-05-30 |
| 5730189 | Internally and externally enhanced wielded tube | Jerome M. Dupy | 1998-03-24 |
| 5494209 | Method for the manufacture of an internally enhanced welded tubing | Jerome M. Dupy | 1996-02-27 |
| 5415225 | Heat exchange tube with embossed enhancement | Ralph L. Webb | 1995-05-16 |
| 5388329 | Method of manufacturing a heating exchange tube | Daniel J. Angeli, Ralph L. Webb | 1995-02-14 |
| 5348213 | Method for the manufacture of internally enhanced welded tubing | Jerome M. Dupy | 1994-09-20 |