| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 1 | |
| #3 | Denmark | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Unspecified technologies | |
| #3 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Garner Herman H | 5 |
| #2 | Harold Hopkins George | 3 |
| #3 | Nohavec Fred R | 3 |
| #4 | Hahl Charles W | 2 |
| #5 | Brown Jesse R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3382651A | Air cleaner | |
| US3399515A | Air cleaner | |
| GB354784A | Improved air cleaner | |
| US1897372A | Air cleaner | |
| US1881049A | Air cleaner | |
| US1897371A | Cleanable inlet for air cleaners | |
| US1897370A | Deflector plate for air filters | |
| US1972398A | Air cleaner having internal axial inlet |