| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Israel | 1 | |
| #10 | Italy | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Fire-fighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brown Fon R Jr | 3 |
| #2 | Kircher Albert E | 1 |
| #3 | Brown Jr F | 1 |
| #4 | Brown R | 1 |
| #5 | Brown F | 1 |
| #6 | Rost Howard R | 1 |
| #7 | Brown Jun Fon R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3826574A | Nephelometer | |
| US1467857A | Fire extinguisher | |
| US1248722A | Fire-extinguisher. |