Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8516699 | Method of manufacturing a heat exchanger having a contoured insert | Rifaquat Cheema, David E. Janke, Robert Barfknecht | 2013-08-27 |
| 8261816 | Heat exchanger with flat tubes | Peter Ambros, Jorg Soldner, Roland Strahle, Andreas Stolz, Dieter Merz +5 more | 2012-09-11 |
| 6675878 | Angled turbulator for use in heat exchangers | James T. Haasch, Wayne Mueller, Thomas Lefeber, Robert Barfknecht, Ajay Dalmia +1 more | 2004-01-13 |
| 6590770 | Serpentine, slit fin heat sink device | C. James Rogers, Gregory G. Hughes, L. Winston Zhang, Rifaquat Cheema | 2003-07-08 |
| 6032503 | Method and apparatus for roll forming a plurality of heat exchanger fin strips | — | 2000-03-07 |