Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612800 | High efficiency heating and/or cooling system and methods | Nancy A. Staffend, Nicholas A. Staffend | 2020-04-07 |
| 9897336 | High efficiency air delivery system and method | Nancy A. Staffend, Nicholas A. Staffend | 2018-02-20 |
| 8596068 | High efficiency thermodynamic system | — | 2013-12-03 |
| 8424284 | High efficiency positive displacement thermodynamic system | Nancy A. Staffend | 2013-04-23 |
| 7650754 | Transmission between rotary devices | — | 2010-01-26 |
| 7621167 | Method of forming a rotary device | — | 2009-11-24 |
| 7556015 | Rotary device for use in an engine | — | 2009-07-07 |