Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359329 | Oil separator for compressors of heat pumps and chillers | — | 1982-11-16 |
| 4292058 | Swirl tube apparatus for separating gas or isotope mixtures | — | 1981-09-29 |
| 4285611 | Arrangement for the retaining of tubes | Wilhelm Hirschmann, Erwin Maier, Georg Lammel, Jurgen Hass | 1981-08-25 |
| 4284231 | Device for ducting gas in a centrifuge block | Erwin Maier, Wilhelm Hirschmann | 1981-08-18 |
| 4276068 | Swirl chamber apparatus | Friedrich Laussermair | 1981-06-30 |