Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8336113 | Cool, clean air welding helmet | — | 2012-12-25 |
| 8104094 | Clean, cool, comfortable welding helmet | — | 2012-01-31 |
| 7462799 | Welding shielding gas flow rate-limiting apparatus | — | 2008-12-09 |
| 7019248 | Welding shielding gas flow-control device | — | 2006-03-28 |
| 7015412 | Welding shielding gas saver flow-control device | — | 2006-03-21 |
| 6610957 | Welding shielding gas saver device | — | 2003-08-26 |
| 4645903 | Gas metal arc welding process | Joseph M. De Vito, Kevin A. Lyttle, Ronald D. Sutton, Alan J. Westendorf, Nils E. Larson | 1987-02-24 |
| 4256949 | Method and wire for submerged arc welding of pipe | Stephen F. Baumann, Masahiro Nakabayashi, Thomas L. Coless, Ernest N. Levine | 1981-03-17 |