Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242584 | Method for separating isotopes which are in the form of molecules | Wolfgang Obert | 1980-12-30 |
| 4235606 | Separation of gaseous or vaporous substances according to the separating nozzle principle | Erwin Becker, Peter Bley, Wolfgang Ehrfeld, Ursula Ehrfeld | 1980-11-25 |
| 4205913 | Determination of the partial pressure and the concentration of a gas | Wolfgang Ehrfeld | 1980-06-03 |