| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Switzerland | 3 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machines | |
| #3 | Basic communication technologies | |
| #4 | Electrical machinery and energy | |
| #5 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tibbetts Raymond W | 6 |
| #2 | Tibbetts George C | 4 |
| #3 | Laboratories Inc Tibbetts | 3 |
| #4 | Tibhetts Raymond W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2912605A | Electromechanical transducer | |
| US2901644A | Electromechanical device and method of making same | |
| US2877363A | Transducer leads | |
| US2810082A | Transducer damping | |
| US2877362A | Transducer sealing | |
| US2857112A | Toroidal winding machine | |
| US2472179A | Piezoelectric device | |
| US2446443A | Method and apparatus for shaping crystal bodies | |
| US2416887A | Piezoelectric device | |
| US2421586A | Piezoelectric device |