| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shafts | |
| #3 | Machines for liquids | |
| #4 | Non-positive-displacement pumps | |
| #5 | Special wind, spring and weight motors | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wladimir Tiraspolsky | 11 |
| #2 | Francois Rouviere Roger | 5 |
| #3 | Jean Chare | 2 |
| #4 | Issyles-Moulineaux | 1 |
| #5 | Victor Cresson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3071076A | Axial pumps | |
| US3084752A | Drill bit tool for well drilling | |
| US3058510A | Well-drilling turbines | |
| US2952440A | Well-drilling turbines | |
| US2983481A | Motors for subterranean drilling | |
| US3077937A | Drilling turbine | |
| US2952494A | Revoluble engines and motors for subterranean drilling | |
| US3022837A | Motors for subterranean work | |
| US2920863A | Turbine for well drilling | |
| US2967577A | Turbines for the actuation of drills | |
| US2982517A | Well drilling turbines |