| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 27 | |
| #2 | Belgium | 3 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Agriculture | |
| #3 | Materials and metallurgy | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Animal care | |
| #3 | Alloys | |
| #4 | Supplying combustion engines | |
| #5 | Internal-combustion piston engines | |
| #6 | Measuring speed and acceleration |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petot Henry | 4 |
| #2 | Petot Henri | 1 |
| #3 | Hauducoeur Georges-Emile | 1 |
| #4 | Mallie Albert-Charles-Marie Pa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB400547A | Rotary fluid meter | |
| DE614996C | Corrosion-resistant metal alloy | |
| DE613958C | Zinc alloy containing aluminum and products made from the same |