| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 14 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control | |
| #3 | Engines, pumps and turbines | |
| #4 | Basic materials chemistry | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kaelle Karl Torsten | 14 |
| Publication | Filing date | Title |
|---|---|---|
| DE1195980B | Regulator | |
| GB661944A | Improvements in or relating to apparatus for measuring or indicating a physical condition such as temperature, gas pressure or density | |
| GB661943A | Improvements in or relating to apparatus for determining a physical quantity such astemperature or gas density | |
| GB487656A | Method of and apparatus for automatically regulating the concentration or viscosity of liquids and suspensions | |
| GB485907A | Regulating means with servo-motor |