Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705605 | Method for producing a spinning nozzle plate | Wolfgang Ehrfeld, Peter Hagmann | 1987-11-10 |
| 4703559 | Method for producing connecting elements for electrically joining microelectronic components | Wolfgang Ehrfeld, Peter Hagmann, Dietrich Munchmeyer | 1987-11-03 |
| 4693791 | Method for producing spinning nozzle plates | Wolfgang Ehrfeld, Peter Hagmann | 1987-09-15 |
| 4661212 | Method for producing a plurality of plate shaped microstructured metal bodies | Wolfgang Ehrfeld, Peter Hagmann, Asim Maner, Dietrich Munchmeyer | 1987-04-28 |
| 4563250 | Method for producing multichannel plates | Wolfgang Ehrfeld | 1986-01-07 |
| 4563251 | Layered multichannel metal plates for image amplifiers | Wolfgang Ehrfeld, Frank Becker | 1986-01-07 |
| 4551157 | Method for separating light additive gas in separating nozzle cascades | Wolfgang Ehrfeld, Wolfgang Fritz, Harald Steinhaus, Peter Bley | 1985-11-05 |
| 4541977 | Method for producing separating nozzle elements | Wilhelm Bier, Wolfgang Ehrfeld, Dietrich Munchmeyer | 1985-09-17 |
| 4493753 | Method for producing separating nozzle elements for the separation of fluid mixtures | Wolfgang Ehrfeld, Dietrich Munchmeyer, Hans Betz, Anton Heuberger | 1985-01-15 |
| 4422905 | Method for producing separating nozzle elements used for separating gaseous or vaporous mixtures | Wolfgang Ehrfeld, Gunther Krieg, Wilhelm Bier | 1983-12-27 |
| 4351653 | Method for producing separating nozzle elements | Wolfgang Ehrfeld, Gunther Krieg, Wilhelm Bier | 1982-09-28 |
| 4246007 | Separating gaseous or vaporous substances according to the separating nozzle principle | Peter Bley, Ursula Ehrfeld, Wolfgang Ehrfeld, Ulrich Knapp | 1981-01-20 |
| 4235606 | Separation of gaseous or vaporous substances according to the separating nozzle principle | Peter Bley, Wolfgang Ehrfeld, Ursula Ehrfeld, Gunther Krieg | 1980-11-25 |