Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038515 | Control of exhaust systems | Andrey V. Livchak, Derek W. Schrock, Darrin W. Beardslee | 2011-10-18 |
| RE42735 | Method and apparatus for controlling space conditioning in an occupied space | Andrey V. Livchak | 2011-09-27 |
| 8002881 | Fume treatment method and apparatus using ultraviolet light to degrade contaminants | Darren Beardslee, Derek W. Schrock, Andrey V. Livchak | 2011-08-23 |
| 7993423 | High efficiency grease filter cartridge | Pekka Kyllonen, Darrin W. Beardslee, Andrey V. Livchak, Derek W. Schrock | 2011-08-09 |
| 7601054 | Zone control of space conditioning system with varied uses | Andrey V. Livchak | 2009-10-13 |
| 7588617 | High efficiency grease filter cartridge | Pekka Kyllonen, Darrin W. Beardslee, Andrey V. Livchak, Derek W. Schrock | 2009-09-15 |
| 7364094 | Method and apparatus for controlling space conditioning in an occupied space | Andrey V. Livchak | 2008-04-29 |
| 7147168 | Zone control of space conditioning system with varied uses | Andrey V. Livchak | 2006-12-12 |