Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088241 | Polishing device | Johannes Lubbering, Peter Ihme, Erwin Schmitz, Wolfgang Volker | 1992-02-18 |
| 5088242 | Polishing device | Johannes Lubbering, Peter Ihme, Erwin Schmitz, Wolfgang Volker | 1992-02-18 |
| 4768535 | Device for the cooling of large, rubber-coated tanks with liquid nitrogen | Bodo Marx | 1988-09-06 |
| 4332143 | Device for cooling a gas to below its dew point | Erhard Soecknick | 1982-06-01 |
| 4205530 | Cooling apparatus for covered metals | Erhard Soecknick | 1980-06-03 |