Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274841 | Controlled plasma arc cutting | Subramania Ramakrishnan, Ashley Grant Doolette, Frederick Bedrich Polivka, Trevor Neil Kearney, Maya Gershenzon | 2001-08-14 |
| 5756960 | Detecting non-symmetrical nozzle wear in a plasma arc torch | Subramania Ramakrishnan, Ashley Grant Doolette, Nicholas A. Sanders, Richard W. Couch, Jr. | 1998-05-26 |
| 5717187 | Plasma torch condition monitoring | Subramania Ramakrishnan, Ashley Grant Doolette, Nicholas A. Sanders, Richard W. Couch, Jr. | 1998-02-10 |