| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 15 | |
| #2 | United Kingdom | 5 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Telecommunications | |
| #3 | Basic communication technologies | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Generation of oscillations | |
| #2 | Electromechanical clocks | |
| #3 | Transmission | |
| #4 | Telephonic communication | |
| #5 | Measuring electric variables | |
| #6 | Electric discharge tubes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Trichard Pierre | 15 |
| #2 | Pierre Trichard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB163716A | Improvements in frequency multipliers for alternating electric currents | |
| GB160179A | Improvements in frequency multipliers for alternating electric currents | |
| GB157213A | Improvements in means for transmitting time signals over electric supply circuits | |
| GB154720A | Improvements in electric frequency multipliers | |
| GB160196A | Improvements in electric wave-form indicators or oscillographs |