| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 22 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Measurement | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy | |
| #5 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Mechanical control devices | |
| #3 | Measuring volume | |
| #4 | Electric switches | |
| #5 | Counting mechanisms | |
| #6 | Gearing | |
| #7 | Mechanically-driven clocks | |
| #8 | Dynamo-electric machines | |
| #9 | Time-interval measuring | |
| #10 | Electrically-conductive connections |
| Publication | Filing date | Title |
|---|---|---|
| GB793272A | Apparatus for indicating the weight of gas left in a compressed gas bottle |