Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804742 | Mass flow meter | — | 1998-09-08 |
| 4716649 | Method of making a sensor for a magnetic inductive flowmeter | Franz Bittner, Boudewijn J. Poortman, Abram Klaas Roskam, Udo Stevens, Wouter T. Tromp +3 more | 1988-01-05 |
| 4604905 | Measured-value sensors for magnetic-inductive flowmeters | — | 1986-08-12 |
| 4507975 | Measured-value sensors for magnetic-inductive flowmeters | Franz Bittner, Boudewijn J. Poortman, Abram Klaas Roskam, Udo Stevens, Wouter T. Tromp +3 more | 1985-04-02 |