| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 33 | |
| #2 | Canada | 1 | |
| #3 | Spain | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Magnets and transformers | |
| #3 | Electric switches | |
| #4 | Guiding railway traffic | |
| #5 | Emergency protective circuit arrangements | |
| #6 | Electric motor controls | |
| #7 | Gearing | |
| #8 | Springs | |
| #9 | Measuring volume | |
| #10 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Janvier William Jules Henri | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES203118A1 | Improved in the circuit breakers for low voltage of differential action (Machine-translation by Google Translate, not legally binding) | |
| GB344247A | Improvements in or relating to adjustment devices for electric induction mechanisms | |
| CA303244A | Adjustment device for electric induction mechanism |