| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United States | 4 | |
| #3 | Switzerland | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Engines, pumps and turbines | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Unspecified technologies | |
| #3 | Dynamo-electric machines | |
| #4 | Accessories for machine tools | |
| #5 | Grinding or polishing devices | |
| #6 | Servomotors | |
| #7 | Lubricating | |
| #8 | Non-positive-displacement pumps | |
| #9 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paul Gerard | 4 |
| #2 | Seranne Henri | 3 |
| #3 | Gerard Paul | 2 |
| #4 | Henri Seranne | 2 |
| #5 | Paul Favrot | 1 |
| #6 | Langer Jean L | 1 |
| #7 | A Gendron Freres S | 1 |
| #8 | Jean Louis Langer | 1 |
| #9 | Langer Jean Louis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3105164A | Electric motors of asynchronous or eddy-current | |
| FR77822E | High speed asynchronous motor | |
| GB864649A | Improvements in electric motors and in portable machine tools embodying them | |
| US2788862A | Pressure lubricating system for machine-tool slides or the like | |
| GB812929A | A system for circulating liquid under pressure through the space between two relatively slidable surfaces | |
| FR1009069A | Level improvements | |
| FR1013566A | System for controlling the position of a shaft in its bearings |