| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | United States | 5 | |
| #3 | Austria | 2 | |
| #4 | Canada | 1 | |
| #5 | Japan | 1 | |
| #6 | Norway | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Medical technology | |
| #5 | Furniture and games | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Venting or aerating devices | |
| #3 | Lifting and pushing | |
| #4 | Pistons and sealings | |
| #5 | Unspecified technologies | |
| #6 | Water-closets with flushing devices | |
| #7 | Chairs and beds | |
| #8 | Operating tables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hirmann Georg | 9 |
| #2 | Georg Hirmann | 2 |
| #3 | Hirmann G | 1 |
| #4 | Georugu Hiruman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4104425A | Power cell driven by a gaseous or liquid pressure medium | |
| JPS51120548A | Pressure medium working system device | |
| US4090431A | Bladder for force transmission apparatus | |
| CH595572A5 | Gas or liq. operated power cell | |
| US3923078A | Valve assembly | |
| US3975989A | Pressure responsive force transmission apparatus | |
| CA987290A | Valve assembly |