Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644266 | Method and apparatus for recognizing malfunction in a heater operated with liquid fuel | — | 1987-02-17 |
| 4599052 | Control device for metering pump | Herbert Langen | 1986-07-08 |
| 4468908 | Process and apparatus for producing a floor-, wall- or ceiling surface formed of individual assembly plates and provided with a covering | Wolfgang Radtke, Friedrich Schmidt, Walter Moog, Gyorgy Borbely | 1984-09-04 |
| 4253384 | Ventilating and air conditioning arrangement | Friedrich Schmidt, Wolfgang Radtke | 1981-03-03 |