Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613847 | Heat transfer in a tunnel kiln | — | 1997-03-25 |
| 4778384 | Multitrain tunnel kiln especially adapted for the underside cooling of kiln cars | — | 1988-10-18 |
| 4744750 | Tunnel kiln system for cooling the underside of a train of kiln cars | — | 1988-05-17 |
| 4722682 | Method and apparatus for cooling the underside of a train of kiln cars in a tunnel kiln | — | 1988-02-02 |
| 4616995 | Tunnel dryer for bricks and like objects | — | 1986-10-14 |
| 4308772 | Procedure and device for cutting brick blanks from clay columns | Hans Lingl | 1982-01-05 |
| 4273489 | Process and apparatus for forming of set layers from brick blanks | Josef Schwarz | 1981-06-16 |