| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Optics | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Electric switches | |
| #3 | Photomechanical semiconductor production | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greiner Anton F | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2597240A | Universal joint | |
| US2358505A | Universal joint | |
| US2328139A | Universal joint | |
| US2284199A | Torque transmitting slip joint | |
| US2271974A | Power transmitting mechanism | |
| US2231117A | Spline joint | |
| US2284198A | Universal joint | |
| US2207981A | Universal joint | |
| US2207980A | Universal joint | |
| US2174629A | Process for printing and photographing and material therefor | |
| US1512169A | Single-button switch |