Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867865 | Filterless industrial vacuum cleaner operated by compressed gas and suitable for connection to an existing suction and filtering system | Ulrich H. Kethers | 1999-02-09 |
| 4983362 | Process and apparatus for controlled thermal afterburning of a process exhaust gas containing oxidizable substances | — | 1991-01-08 |
| 4850857 | Apparatus for the combustion of oxidizable substances suspended in a carrier gas | — | 1989-07-25 |
| 4820500 | Process for controlled afterburning of a process exhaust gas containing oxidizable substances | — | 1989-04-11 |