Issued Patents All Time
Showing 25 most recent of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345221 | Curved base air filter | Steve Williams | 2025-07-01 |
| 12268988 | HVAC system air filter | Steve Williams | 2025-04-08 |
| 12128341 | Compound air filter and method of removal of contaminants | Steve Williams | 2024-10-29 |
| 11992798 | HVAC home air filter | Steve Williams | 2024-05-28 |
| 11927158 | Curved base air filter | Steve Williams | 2024-03-12 |
| 11872511 | Flangeless air filter | Steve Williams | 2024-01-16 |
| 11865484 | HVAC home air filter | Steve Williams | 2024-01-09 |
| 11826687 | Cone air filter | Steve Williams | 2023-11-28 |
| 11608802 | Curved base air cleaner | Steve Williams | 2023-03-21 |
| 11565584 | Multiple inlet filtration system | — | 2023-01-31 |
| 11478739 | Flangeless air filter | Steve Williams | 2022-10-25 |
| 11401895 | Filter oil formulation | Steve Williams, Rick Daniels | 2022-08-02 |
| 11383194 | Reusable air filter system and method | Steve Williams | 2022-07-12 |
| 11351495 | HVAC home air filter | Steve Williams | 2022-06-07 |
| 11344832 | Air filter | Steve Williams | 2022-05-31 |
| 11331615 | Air filter | Steve Williams | 2022-05-17 |
| 11241647 | HVAC home air filter | Steve Williams | 2022-02-08 |
| 11179664 | Cone air filter | Steve Williams | 2021-11-23 |
| 11161074 | HVAC system air filter | Steve Williams | 2021-11-02 |
| 11124059 | Multiple inlet filtration system | Steve Williams | 2021-09-21 |
| 10934980 | Space optimizing air filter | Steve Williams, Jonathan Richard Fiello | 2021-03-02 |
| 10883455 | Curved base air cleaner | Steve Williams | 2021-01-05 |
| D902370 | Inverted dome filter | Steve Williams | 2020-11-17 |
| D902371 | Air intake kit filter | Jonathan Richard Fiello, Steve Williams | 2020-11-17 |
| D902369 | Air intake kit filter | Jonathan Richard Fiello, Steve Williams | 2020-11-17 |