Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4610401 | Trimetal pulverizer roll | — | 1986-09-09 | $2,070,000 |
| 4610073 | Trimetal pulverizer roll and a method of manufacture thereof | — | 1986-09-09 | $2,070,000 |
| 4605174 | Vane wheel arrangement with nihard wear plates | David Kohler | 1986-08-12 | $2,674,000 |
| 4602745 | Coverging/diverging orifice assembly for embodiment in a bowl mill | David Kohler | 1986-07-29 | $1,826,000 |
| 4523721 | Bowl mill with primary classifier assembly | David Kohler | 1985-06-18 | $2,129,000 |
| 4372496 | Electronic controller of hydraulic pressure for journal loading of bowl mill | — | 1983-02-08 | $3,321,000 |
| 4234132 | Bowl mill with air deflector means | — | 1980-11-18 | $9,783,000 |