Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306134 | Arc welding pipe apparatus | Clyde M. Slavens, James E. Alleman, Henry Ray, Edgar H. Douglas | 1981-12-15 |
| 4293758 | Welding apparatus including means for depositing the weld metal along parallel paths | Clyde M. Slavens, James E. Alleman | 1981-10-06 |
| 4285460 | Method and apparatus for double jointing pipe | — | 1981-08-25 |
| 4286138 | Welding methods and apparatus including alternate weld metal depositions along opposite sides of a weld | Clyde M. Slavens | 1981-08-25 |
| 4260869 | Traveling welding carriage | Clyde M. Slavens | 1981-04-07 |
| 4250813 | Track apparatus | Clyde M. Slavens | 1981-02-17 |