| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | France | 6 | |
| #3 | United States | 5 | |
| #4 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schull Leopold | 6 |
| #2 | Leopold Schull | 5 |
| #3 | Watzke Josef | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1618479A | Driving mechanism for presses | |
| US1616830A | Arrangement for disengaging the friction coupling of eccentric presses | |
| US1498208A | Screw press | |
| US1437024A | Press | |
| US1582311A | Pinching clutch for eccentric presses and shears | |
| GB160740A | Improvements in presses | |
| GB147090A | Improvements in presses | |
| GB141340A | Improvements in clutches |