| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Strattner Orem Frederick | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2187546A | Air cleaning device | |
| US2200010A | Backfire safety device | |
| US2050581A | Air cleaning and sound-silencing apparatus | |
| US1898259A | Air cleaner | |
| US1871908A | Air cleaner | |
| US1756758A | Air cleaner | |
| US1745950A | Air cleaner | |
| US1635007A | Air cleaner for automobiles and the like | |
| US1564178A | Air cleaner for automobile engines and the like | |
| US1439573A | Carburetor for internal-combustion engines | |
| US1337564A | Air-strainer |