Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737202 | Method of producing steel components that simultaneously have high strength and high ductility and which retain these properties even after a hot forming operation | Hans Muller | 1988-04-12 |
| 4337736 | Method of producing cylinder heads, and cylinder heads produced thereby | Walter Rasch, Karl-Heinz Caspers, Klaus Wiebicke | 1982-07-06 |
| 4284041 | Method of producing cylinder heads, and cylinder head produced thereby | Walter Rasch, Karl-Heinz Caspers, Klaus Wiebecke | 1981-08-18 |
| 4248191 | Method and means for preventing valve bridge cracks in cylinder heads of internal combustion engines | — | 1981-02-03 |