| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | France | 6 | |
| #3 | Canada | 4 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Control | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Fire-fighting | |
| #2 | Alarm systems | |
| #3 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnston Charles O | 3 |
| #2 | Stokes Harlow T | 3 |
| #3 | Bronander Wilhelm B | 2 |
| #4 | Old Clayton W | 1 |
| #5 | Wagner Edward P | 1 |
| #6 | Hawley Luther W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1890541A | Fire extinguisher | |
| US1885309A | Fire extinguisher | |
| US1849644A | Fire extinguisher | |
| US1862584A | Fire extinguisher | |
| DE519212C | Holder for fragile fire extinguishing grenades | |
| GB278619A | Improvements in supports for fire extinguishers | |
| US1708867A | Fire-extinguisher support | |
| DE493435C | Holder for fragile fire extinguishing grenades | |
| GB271363A | Improvements in and relating to supports for grenade or similar frangible fire extinguishers | |
| US1804477A | Fire extinguisher | |
| US1633254A | Fire extinguisher | |
| CA312174A | Fire extinguisher | |
| CA283929A | Fire extinguisher | |
| CA283423A | Fire extinguisher | |
| CA292573A | Fire extinguisher |