| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 114 | |
| #2 | United Kingdom | 4 | |
| #3 | Belgium | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Netherlands | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Materials and metallurgy | |
| #5 | Control | |
| #6 | Macromolecular chemistry and polymers | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lothar Gerb | 4 |
| #2 | Phillips Pain Etablissements | 1 |
| #3 | Breuil Emmanuel | 1 |
| #4 | Sarrot Antoine-Henry-Aime | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB634036A | Improvements in heads for containers of fluid under pressure | |
| US2323990A | Process for carrying out anion exchange reactions | |
| GB536930A | Improvements in fire detecting and extinguishing devices | |
| GB295004A | Water softening vessels | |
| GB287501A | Improvements in devices for fixing fire extinguishers in their supporting brackets |