Patents per Year
Top Inventors at Powell Industries All Time
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Addison W. Langill, Jr. | 3 |
| 1 | Harry Friedland | 3 |
| 3 | Lawrence G. Zerby | 1 |
| 3 | Mauro G. Togneri | 1 |
| 3 | Roger Hutton | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Digital fluid flow control system | $1M | 1981 |
| Controller deviation indicator | $1M | 1981 |
| Digital fluid flow control apparatus | $882K | 1981 |
| Digital fluid flow control system | $406K | 1980 |
| Digital fluid flow control apparatus | $404K | 1981 |