Issued Patents All Time
Showing 51–75 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199666 | Rotary shredding apparatus with oscillating grate | — | 1993-04-06 |
| 5183145 | Apparatus and method for automatically positioning valve means controlling the application of pressurized air to mandrels on a rotating carrier | Enn Sirvet, Richard A. Gabel | 1993-02-02 |
| 5171523 | Method and apparatus for disinfecting objects | — | 1992-12-15 |
| 5129568 | Off-line web finishing system | Robert Fokos, Orfeo J. Salvucci | 1992-07-14 |
| 5125585 | Reversible hammer mill with compound breaker plate adjustments | — | 1992-06-30 |
| 5041264 | Method and apparatus for disinfecting objects | — | 1991-08-20 |
| 5018674 | Grate assembly in a down draft impact mill | — | 1991-05-28 |
| 5018456 | System for disposing of sludge | — | 1991-05-28 |
| 5001950 | Rotary die cutter | Robert Fokos, Orfeo J. Salvucci, Albert L. Wright | 1991-03-26 |
| 5002233 | Reversible hammers for hammer mills | — | 1991-03-26 |
| 4830290 | Roller grinding mill | — | 1989-05-16 |
| 4830291 | Waste material reversible hammer mill | — | 1989-05-16 |
| 4798342 | Fuel processing system for control of nitrous oxide emissions | — | 1989-01-17 |
| 4795036 | Rotary disc screen conveyor apparatus | — | 1989-01-03 |
| 4778061 | Air classifier apparatus | — | 1988-10-18 |
| 4776544 | Gutter hanger | — | 1988-10-11 |
| D298007 | Wrench extender | W. Jeffrey Van Buskirk | 1988-10-11 |
| 4767066 | Downdraft reversible hammer mill | — | 1988-08-30 |
| 4730790 | Waste material classifying and reducing apparatus | — | 1988-03-15 |
| 4729516 | Fluff mill | — | 1988-03-08 |
| 4721257 | Rotary shredding apparatus | Harold J. Groves | 1988-01-26 |
| 4658964 | Rotary disc screen and method of operation | — | 1987-04-21 |
| 4641788 | Method of simultaneously grinding coal and dolomite | — | 1987-02-10 |
| 4640204 | Fluidized bed combustion apparatus and method of operating same | — | 1987-02-03 |
| 4638952 | Method of fluid coke reduction | — | 1987-01-27 |