Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8272775 | Mixing drier having a spherical mixing vessel | — | 2012-09-25 |
| 4742990 | Gate valve | Hans Sidler | 1988-05-10 |
| 4646777 | Flat slide valve with notched guide strips | Hans Sidler | 1987-03-03 |
| 4546788 | Slide valve construction | Hans Sidler | 1985-10-15 |
| 4522224 | Gate valve construction | Hans Sidler | 1985-06-11 |
| 4279402 | Explosion barring shutoff device | Joseph Wey, Hans Sidler | 1981-07-21 |