| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Switzerland | 3 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Presses |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adolf Ortlinghaus | 5 |
| #2 | Juergen Lemp | 4 |
| #3 | Robert Herr | 4 |
| #4 | Otto Ortlinghaus | 4 |
| #5 | Ortlinghaus Otto | 4 |
| #6 | Lemp Juergen | 2 |
| #7 | Ortlinghaus Adolf | 2 |
| #8 | Selig Hans | 2 |
| #9 | Jun Adolf Ortlinghaus | 2 |
| #10 | Selig H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ES399211A1 | Combined coupling and braking device to be operated by a pressure medium | |
| DE1755639A1 | Friction clutch | |
| DE1600017A1 | Combined pressure fluid operated clutch and brake device | |
| GB1019247A | Improvements in or relating to friction disc clutches | |
| DE1400084A1 | Slip-ring-free electromagnetic multi-plate clutch |