Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668261 | Apparatus for the separation of a gas component from a gas mixture by freezeout | Helmut Hackfort | 1987-05-26 |
| 4644761 | Low-temperature goniometer for X-ray and neutron diffractometry | Bernhard Dujka, Frank Elf, Georg Will | 1987-02-24 |
| 4606128 | Caliper for measuring deformable objects | Helmut Wyrwich, Georgi Graschew, Ludwig E. Feinendegen | 1986-08-19 |
| 4599800 | Caliper for measuring deformable objects | Helmut Wyrwich, Georgi Graschew, Ludwig E. Feinendegen | 1986-07-15 |
| 4425811 | Cryogenic pump and air sampler | Manfred Helten | 1984-01-17 |
| 4399689 | Temperature-controlled sample cell for photoacoustic spectroscopy | Paul Bechthold | 1983-08-23 |
| 4343413 | Double-wall vessel especially Dewar flasks, with wall spacer | Manfred Helten | 1982-08-10 |
| 4337669 | Cryogenic pump and air sampler | Manfred Helten | 1982-07-06 |