| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 18 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Weapons | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Thermal processes | |
| #6 | Transport | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Pistons and sealings | |
| #3 | Cleaning heat-exchanger internal surfaces | |
| #4 | Belts or cables for driving | |
| #5 | Sound-producing devices | |
| #6 | Military vessels | |
| #7 | Handling thin material | |
| #8 | Armour | |
| #9 | Motor vehicles | |
| #10 | Hand-held nailing tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rudolph Charles | 18 |