| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Belgium | 5 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Thermal processes | |
| #4 | Machine tools | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings | |
| #2 | Air-conditioning | |
| #3 | Non-portable lighting devices | |
| #4 | Mechanical control devices | |
| #5 | Dynamo-electric machines | |
| #6 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eisele Herbert | 4 |
| #2 | Esser Klaus | 1 |
| #3 | Klaus Esser | 1 |