Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598669 | Fin array for heat transfer assemblies and method of making same | — | 2003-07-29 |
| 6247527 | Fin array for heat transfer assemblies and method of making same | — | 2001-06-19 |
| 6146470 | Methods of brazing and preparing articles for brazing, and coating composition for use in such methods | — | 2000-11-14 |
| 5772104 | Methods of brazing and preparing articles for brazing, and coating composition for use in such methods | — | 1998-06-30 |
| 5704123 | Method of making folded, bent and re-expanded heat exchanger tube and assemblies | A. Todd McKay | 1998-01-06 |
| 5544698 | Differential coatings for microextruded tubes used in parallel flow heat exchangers | — | 1996-08-13 |
| 5228198 | Method of manufacturing a heat exchanger assembly with wrapped tubing | Franz X. Wohrstein | 1993-07-20 |
| 5133492 | Method and apparatus for separating thin-walled, multiport micro-extrusions | Franz X. Wohrstein | 1992-07-28 |
| 5099574 | Method of making a heat exchanger assembly with wrapped tubing | Franz X. Wohrstein | 1992-03-31 |
| 4881311 | Heat exchanger assembly with integral fin unit | Franz X. Wohrstein | 1989-11-21 |
| 4794985 | Finned heat exchanger tubing with varying wall thickness | Franz X. Wohrstein | 1989-01-03 |
| 4778004 | Heat exchanger assembly with integral fin unit | Franz X. Wohrstein | 1988-10-18 |