Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277261 | Reusable helical filter for high temperature gases | Daniel H. Shapiro | 1981-07-07 |
| 4277262 | Reusable axial filter for high temperature gases | Daniel H. Shapiro | 1981-07-07 |
| 4276065 | Reusable disc filter with spacing bosses for high temperature gasses | Daniel H. Shapiro | 1981-06-30 |
| 4269613 | Reusable disc filter with foil spacers for high temperature gases | Daniel H. Shapiro | 1981-05-26 |
| 4233883 | Automatically self-adjusting and load-limiting swaybrace system | — | 1980-11-18 |