| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electromechanical clocks | |
| #2 | Unspecified technologies | |
| #3 | Dynamo-electric machines | |
| #4 | Mechanical control devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frank Clifford Cecil | 11 |
| #2 | Mountjoy Payne Leslie George | 1 |
| #3 | Otto Horstmann Frederick | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2986686A | Electro-mechanical devices | |
| US2994022A | Electro-mechanical oscillators | |
| US2841986A | Mechanical oscillators | |
| US2852725A | Electrically-maintained vibratory oscillator | |
| US2787115A | Frequency controlling and regulating means for oscillating elements | |
| US2743614A | Mechanical oscillators | |
| US2762222A | Magnetic escapement mechanism | |
| US2571085A | Magnetic escapement counting and like mechanism | |
| US2690646A | Escapement mechanism | |
| US2606222A | Electric motor |