| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 4 | |
| #3 | Austria | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Shafts | |
| #5 | Mechanical control devices | |
| #6 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knoechl Leo | 7 |
| #2 | Leo Knoechl | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US868995A | Abutment-pressure regulator. | |
| GB190629375A | Improvements in or relating to Abutment Pressure Regulators |