| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring volume | |
| #3 | Measuring force, work and fluid pressure |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hensen Karl | 2 |
| #2 | Goertz Willi | 1 |
| #3 | Ruetgers Dipl-Ing Herbert | 1 |
| #4 | Kretzschmer Dr-Ing Fritz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE364234C | Device on automatically working gas analysis apparatus to intercept the sucked in gases in the measuring room under atmospheric pressure | |
| DE465653C | Automatic liquid siphon, especially for gas analysis apparatus |