Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945395 | Method for determining the density of fluid media | Helmut Heimel, Ulrike Rakusch, Klaus Ritzmann | 2011-05-17 |
| 5477726 | Apparatus for determining the density of liquids and gases from a period of an oscillator filled with a test sample | Hans Leopold | 1995-12-26 |
| 5351010 | Resistance ratio measurement utilizing measuring currents of opposite plural direction | Hans Leopold, Klaus SCHRÖCKER | 1994-09-27 |
| 5339258 | Apparatus for determining the density of liquids and gases from a period of an oscillator filled with a test sample | Hans Leopold, Helmut Heimel | 1994-08-16 |
| 4838084 | Density measuring instrument | Hans Leopold | 1989-06-13 |