Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470798 | Method of operating a burner without using a fuel pump, and burner assembly operating in accordance with such method | Johannes W. Graat, A. M. Verhagen | 1984-09-11 |
| 4255115 | Method and apparatus for producing a hot gas flow | Johannes W. Graat | 1981-03-10 |
| 4248806 | Apparatus for producing inert combustion gases | Johannes W. Graat | 1981-02-03 |