Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632459 | System and method for controlling an ultraviolet air treatment device for return air duct applications | Tracy Lentz, Jeffrey M. Hammer, Mark E. Stout, Richard Metzger, Jon W. Orr | 2009-12-15 |
| 7066452 | Humidifier with reverse osmosis filter | Leisha J. Rotering | 2006-06-27 |
| 7009829 | System, apparatus, and method for controlling lamp operation when subject to thermal cycling | Tracy Lentz, Philip O. Readio | 2006-03-07 |
| 6926079 | Humidity controller | Timothy M. Tinsley | 2005-08-09 |
| 6849234 | System and method for controlling an ultraviolet air treatment device for return air duct applications | Tracy Lentz, Jeffrey M. Hammer, Mark E. Stout, Richard Metzger, Jon W. Orr | 2005-02-01 |
| 6438971 | System and method for controlling an ultraviolet air treatment device for air conditioner cooling coil irradiation applications | Tracy Lentz | 2002-08-27 |
| 6364942 | Dehumidifier using non-rotating desiccant material | Steven M. Felber, Timothy J. Smith | 2002-04-02 |
| 6328095 | Heat recovery ventilator with make-up air capability | Steven M. Felber, Ron S. Ragland, Leisha J. Rotering, Timothy J. Smith, Russell A. Straate +1 more | 2001-12-11 |
| 6283851 | Make up air equipment control | Timothy J. Smith, Brad Terlson | 2001-09-04 |
| 6220039 | Method of humidity control utilizing dewpoint | Jeffrey R. Meyer | 2001-04-24 |
| 6186407 | Humidity control based on an estimation using heating plant cycle, of inside window surface temperature | Jeffrey M. Hammer, Mark E. Stout, Russell A. Straate, Timothy M. Tinsley | 2001-02-13 |
| D416994 | Water distribution tray for an in-duct humidifier | Timothy J. Smith | 1999-11-23 |
| 5853625 | Water distribution tray for a pad-type humidifier unit | Timothy J. Smith | 1998-12-29 |
| 4934271 | Rotary cam load positioning apparatus | Peter H. Van Sloun | 1990-06-19 |