| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | New Zealand | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Transport | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Vehicle air-treating devices | |
| #3 | Supplying combustion engines | |
| #4 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Decker William K | 15 |
| #2 | Decker William | 1 |
| #3 | Solberg Charles H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008168899A1 | Separation and collection of particulates from an air stream | |
| US6709479B1 | Precleaner for vacuum systems | |
| NZ514344A | Low intake restriction air precleaner | |
| US6361574B1 | Intake air cleaning apparatus | |
| US6264712B1 | Low intake restriction air precleaner | |
| US5505756A | Ramp discharge outlet air precleaner | |
| US5449391A | Air precleaner | |
| US5022903A | Air-precleaner |