Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4401446 | Method and apparatus for increasing the efficiency of internal collection filter bags | — | 1983-08-30 |
| 4324571 | Bag-type filter apparatus with air diffuser having extended bag support | — | 1982-04-13 |
| 4297115 | Bag-type filter with air diffuser tubes of helical construction | — | 1981-10-27 |
| 4289511 | Bag-type filter apparatus with venturi-supported air diffuser | — | 1981-09-15 |
| 4289479 | Thermally insulated rotary kiln and method of making same | — | 1981-09-15 |
| 4280826 | Bag-type filter apparatus with high pressure air jet cleaning | — | 1981-07-28 |
| 4259095 | Bag-type filter apparatus with combination bag support and air diffuser | — | 1981-03-31 |
| 4256451 | Upright kiln and attendant method for heating an aggregate material | — | 1981-03-17 |
| 4256045 | Apparatus and method for treating a gas with a liquid | — | 1981-03-17 |
| 4255131 | Apparatus and method for heating an aggregate material | — | 1981-03-10 |
| 4255130 | Apparatus and method for treating an aggregate material with a flowing gas | — | 1981-03-10 |
| 4231770 | Bag-type filter apparatus with internal air diffuser | — | 1980-11-04 |