| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Servomotors | |
| #4 | Gearing | |
| #5 | Pipes | |
| #6 | Electric switches | |
| #7 | Springs | |
| #8 | Spring or inertia motors | |
| #9 | Testing of structures | |
| #10 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gulick Ronald A | 6 |
| #2 | Gulick R | 5 |
| #3 | Sheesley John M | 3 |
| #4 | Sheesley J | 3 |
| #5 | Mcever Robert M Jr | 1 |
| #6 | Wicke Charles H | 1 |
| #7 | Prikryl Walter F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3842690A | Automatically disengageable manual control | |
| GB1421034A | Actuator | |
| US3794069A | Line break control | |
| US3797324A | Actuator | |
| US3786728A | Actuator override | |
| US3730008A | Disengageable slide nut | |
| US3727523A | Spring return cartridge | |
| US3685621A | Unidirectional dampener | |
| GB1340570A | Valve actuator | |
| US3684844A | Switch | |
| US3704986A | Actuator | |
| US3677108A | Disengageable manual control | |
| US3531133A | Seal | |
| US3521892A | Seal |