| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Heat-exchange device details | |
| #2 | Metal-working | |
| #3 | Unspecified technologies | |
| #4 | Heat-exchanger without contact | |
| #5 | Fluid heaters | |
| #6 | Swimming pools | |
| #7 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Romero Francis | 10 |
| #2 | Nail Claude | 2 |
| Publication | Filing date | Title |
|---|---|---|
| FR2873432A1 | Heat exchanger with serpentin (s) and ring helicoidal (s) | |
| FR2770895A1 | HEATING APPARATUS FOR HEATING A FLOWING FLUID AND HEATING ELEMENT FOR SUCH AN APPARATUS | |
| FR2744205A1 | Heat exchanger and machine for mounting such an exchanger | |
| US5892888A | Means for electrically heating a circulating fluid in a basin or pool | |
| FR2744204A1 | HEAT EXCHANGER, CONDENSER / EVAPORATOR AND HEATER | |
| FR2730121A1 | ELECTRIC HEATING APPARATUS FOR HEATING CIRCULATING FLUID | |
| US5487423A | Heat exchanger | |
| EP0552122A1 | Heat-exchanger |