| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Packaging and shipping | |
| #3 | Engines, pumps and turbines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Pumps | |
| #3 | Turning | |
| #4 | Servomotors | |
| #5 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schneider Fritz | 3 |
| #2 | Leypoldt Werner | 2 |
| #3 | Freudenberg Hans-Dieter | 1 |
| #4 | Fritz Schneider | 1 |
| #5 | Freund Hans | 1 |
| #6 | Steinbrueck Karl | 1 |
| #7 | Freund Hans W M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB942612A | An air-hydraulic gripping device | |
| FR1301144A | hydropneumatic vice | |
| US3095190A | Pneumatic hydraulic vise | |
| GB916549A | Improvements in or relating to vices or like devices for clamping workpieces | |
| FR1270205A | Jaw for vices and similar devices | |
| FR1199875A | Hydraulic device for quick assembly of a part on a machine tool | |
| GB849171A | Hydraulically operable quick-action clamping device for holding workpieces in machine-tools and the like | |
| US2987972A | Hydraulic vise | |
| GB807829A | Improvements in piston apparatus for pressurising liquid |