| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 18 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 2 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Helbronner Andre | 18 |
| #2 | Recklinghausen Max Von | 4 |
| #3 | Henri Victor | 3 |
| #4 | Andre Helbronner | 3 |
| #5 | Criquebeuf Gaston-Edouard | 2 |
| #6 | Pipereaut Pierre | 2 |
| #7 | Vallee Ernest-Alfred | 2 |
| #8 | Vallee Ernest | 1 |
| #9 | Levy Rene-Jacques | 1 |
| #10 | Eric Dutt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB295589A | Improvements in the manufacture of electric batteries | |
| US1777202A | Electric cell | |
| GB157281A | Method of and apparatus for the manufacture of sulphuric acid | |
| GB148351A | A process for the manufacture of sulphide of zinc, applicable for the preparation of zinc-oxide | |
| US1443077A | Process of producing sulphides | |
| GB191410190A | Process of Manufacturing White Cement. |