| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping | |
| #5 | Transport | |
| #6 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Lifting and pushing | |
| #3 | Shafts | |
| #4 | Couplings | |
| #5 | Railway equipment | |
| #6 | Dynamo-electric machines | |
| #7 | Pistons and sealings | |
| #8 | Earth drilling | |
| #9 | Working metallic powder | |
| #10 | Changing non-ferrous metals |