| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | India | 1 | |
| #3 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Mechanical elements | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Servomotors | |
| #3 | Unspecified technologies | |
| #4 | Batteries | |
| #5 | Reduction of greenhouse gas emissions | |
| #6 | Gearing | |
| #7 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gratzmuller C A | 1 |
| #2 | Gratzmuller Claude | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2614946A1 | HYDRAULIC CYLINDER WITH PISTON POSITION CONTROL SYSTEM | |
| FR2614669A1 | Three-way hydraulic valve | |
| FR2613785A1 | DIFFERENTIAL HYDRAULIC CYLINDER, WITH DAMPING SYSTEM, FOR THE CONTROL OF ELECTRIC CIRCUIT BREAKERS | |
| FR2613122A1 | Differential hydraulic cylinder for the control of electric circuit breakers | |
| FR2547108A1 | OLEOPNEUMATIC CONTROL FOR ELECTRIC CIRCUIT BREAKERS |