Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386531 | Method and apparatus for determining the injection pressure during injection operations during construction work | Hans Heimgartner | 1983-06-07 |
| 4353118 | Apparatus for determining the throughflow in pipe conduits | Hans Heimgartner | 1982-10-05 |
| 4195752 | Apparatus for the essentially uniform feed of a fluent medium by means of reciprocating feed pistons | Hans Heimgartner | 1980-04-01 |