| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 40 | |
| #2 | Switzerland | 22 | |
| #3 | Austria | 14 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Electrical machinery and energy | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Servomotors | |
| #3 | Presses | |
| #4 | Unspecified technologies | |
| #5 | Safety devices | |
| #6 | Clutches and brakes | |
| #7 | Accessories for machine tools | |
| #8 | Refrigerators | |
| #9 | Elevators and escalators | |
| #10 | Magnets and transformers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Herion Erich | 27 |
| #2 | Erich Ruchser | 18 |
| #3 | Ruchser Erich | 15 |
| #4 | Erich Herion | 11 |
| #5 | Erich Herion Jun | 3 |
| #6 | Erich Lang Dr | 3 |
| #7 | Lang | 2 |
| #8 | Erich Dr | 2 |
| #9 | Detlef Henzgen Dipl-Ing | 1 |
| #10 | Lang Erich Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB901948A | Pressure control mechanism | |
| GB912880A | Safety control apparatus for operating fluid pressure-actuated devices | |
| CA837384A | Press control |