| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances | |
| #2 | Dry-docking of vessels | |
| #3 | Measuring force, work and fluid pressure | |
| #4 | Starting of combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warluzel Charles | 8 |
| #2 | Charles Warluzel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB462641A | Apparatus for establishing the exact vertical of a locality and applications relating thereto | |
| US1751375A | Apparatus for measuring pressures | |
| GB264475A | Improvements in methods and apparatus for measuring fluid pressures | |
| GB144994A | Improvements in submarine vessels for dredging, excavating and salving on the sea bottom |