Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065978 | Valve arrangement of microstructured components | Werner Thoren, Stefan Kahning, Peter Vehrens | 1991-11-19 |
| 5029805 | Valve arrangement of microstructured components | Werner Thoren, Stefan Kahning, Peter Vehrens | 1991-07-09 |
| 4985165 | Material having a predeterminable magnetic susceptibility | Helge Frank, Joachim Marcoll | 1991-01-15 |
| 4950984 | Apparatus for determining the proportion of a substance having paramagnetic properties in a mixture of substances | Johann Otten, Hansjochen Schuck | 1990-08-21 |
| 4901197 | Sensor for capacitively measuring pressure in a gas | Werner Thoren, Johannes Lagois, Johann Otten | 1990-02-13 |
| 4808922 | Magnetic field producing device for determining the concentration of a paramagnetic substance passed through a rotating cell chamber | Alfred Eder | 1989-02-28 |
| 4798689 | Arrangement for controlling a vaporizer by means of pressure fluctuations | Ulrich Heim | 1989-01-17 |
| 4763509 | Device for determining the concentration of substances having paramagnetic properties | Alfred Eder | 1988-08-16 |
| 4750520 | Electrically-actuable valve | Ulrich Heim | 1988-06-14 |
| 4722675 | Piston proportioning pump | — | 1988-02-02 |
| 4587966 | Device for evaluating the mixing of liquid anesthetic and a respiratory gas for patients | — | 1986-05-13 |
| 4527463 | Dosing pump for liquids | — | 1985-07-09 |
| 4484576 | Apparatus for admixing liquid anesthetics and respiratory gas | — | 1984-11-27 |
| 4477395 | Apparatus for admixing liquid anesthetics and respiratory gas | — | 1984-10-16 |
| 4464926 | Method and apparatus for sensing the presence of oxygen in a gas mixture | Alfred Eder | 1984-08-14 |
| 4405294 | Dosing pump | — | 1983-09-20 |
| 4324257 | Device for the transcutaneous measurement of the partial oxygen pressure in blood | Martinus Kuijpers | 1982-04-13 |
| 4314564 | Method and apparatus for determining alcohol concentration in the blood | — | 1982-02-09 |
| 4300385 | Method and apparatus for determining the alcohol content of a person's blood | — | 1981-11-17 |
| 4262686 | Apparatus for the electrically controlled proportioning and mixing of gases | Ulrich Heim | 1981-04-21 |
| 4204536 | Respirator | — | 1980-05-27 |