Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874345 | Serpentine fin with extended louvers for heat exchanger and roll forming tool for manufacturing same | — | 2005-04-05 |
| 6470570 | Method for making a tube for a heat exchanger having a fin insert with transverse convolutions | Larry Paul Prater | 2002-10-29 |
| 6286201 | Apparatus for fin replacement in a heat exchanger tube | Larry Paul Prater | 2001-09-11 |
| 5738169 | Heat exchanger with turbulated louvered fin, manufacturing apparatus and method | — | 1998-04-14 |
| 5732584 | Method and apparatus for roll forming convoluted springs | Larry Paul Prater | 1998-03-31 |
| 5682784 | Roll forming tool for manufacturing louvered serpentine fins | — | 1997-11-04 |
| 5664450 | Self-dispersing facilitating fluid forming roll | — | 1997-09-09 |
| 5588319 | Method and apparatus for making heat exchanger fins | Sabatino A. Bianchi | 1996-12-31 |