Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8602733 | Structural and acoustical vibration dampener for a rotatable blade | Costas Christofi, Quynh Hoang, Sanjay Gupta, Angus Lemon, Nandagopal Nalla +1 more | 2013-12-10 |
| 8313303 | Acoustical vibration dampener for a rotatable blade | Costas Christofi, Quynh Hoang, Sanjay Gupta, Angus Lemon, Nandagopal Nalla +1 more | 2012-11-20 |
| 6585484 | Pivotal and removable door for an air handler | David J. Rosenthal, Timothy J. Lawlor, Thomas F. Byrne, Timothy Wayne Storm | 2003-07-01 |
| 6377426 | Gas furnace with variable speed draft inducer | G. Jeffrey Hugghins, Robert W. Helt, Leonard W. Holmes, Timothy Wayne Storm | 2002-04-23 |
| 6257870 | Gas furnace with variable speed draft inducer | G. Jeffrey Hugghins, Robert W. Helt, Leonard W. Holmes, Timothy Wayne Storm | 2001-07-10 |
| 5271556 | Integrated furnace control | Robert W. Helt, Carl L. Garrett | 1993-12-21 |
| 5060722 | Furnace heat exchanger | Peter E. Zdenek | 1991-10-29 |
| 4830600 | Premix furnace burner | John A. Beasley | 1989-05-16 |