Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10027206 | Blower motor for HVAC systems | — | 2018-07-17 |
| 9698657 | Blower motor for HVAC systems | — | 2017-07-04 |
| 9531231 | Radially offset motor control housing | Chetan O. Modi, Michael T. Collins | 2016-12-27 |
| 9219398 | Blower motor for HVAC systems | — | 2015-12-22 |
| 8558493 | Blower motor for HVAC systems | — | 2013-10-15 |
| 8497652 | Dynamoelectric machine assemblies operable with serial communication signals and PWM control signals | Prakash B. Shahi, Mark E. Carrier | 2013-07-30 |
| 8487580 | Blower motor for HVAC systems | — | 2013-07-16 |
| 8362736 | Blower motor for HVAC systems | — | 2013-01-29 |
| 8362724 | Blower motor for HVAC systems | — | 2013-01-29 |
| 8362737 | Blower motor for HVAC systems | — | 2013-01-29 |
| 8294393 | Blower motor for HVAC systems | Christopher D. Schock | 2012-10-23 |
| 8049456 | Dynamoelectric machine assemblies operable with serial communication signals and PWM control signals | Prakash B. Shahi, Mark E. Carrier | 2011-11-01 |
| 8049459 | Blower motor for HVAC systems | — | 2011-11-01 |
| 8013551 | Blower motor for HVAC systems | — | 2011-09-06 |
| 7990092 | Blower motor for HVAC systems | — | 2011-08-02 |
| 7667423 | Control systems and methods for permanent magnet rotating machines | Prakash B. Shahi, Joseph G. Marcinkiewicz, Michael I. Henderson | 2010-02-23 |
| 7567049 | Fluid flow control for fluid handling systems | Prakash B. Shahi, Christopher D. Schock | 2009-07-28 |
| 7448563 | De-jamming device and method | Thomas R. Berger, William F. Strutz, Nicholas J. Hirsch, Gregory A. Peterson, Ralph D. Furmanek | 2008-11-11 |
| 7375485 | Control systems and methods for starting permanent magnet rotating machines | Prakash B. Shahi, Joseph G. Marcinkiewicz, Michael I. Henderson | 2008-05-20 |
| 7272302 | PSC motor system for use in HVAC applications with field adjustment and fail-safe capabilities | Prakash B. Shahi, Ralph D. Furmanek | 2007-09-18 |
| 6952088 | PSC motor system for use in HVAC applications with improved start-up | Prakash B. Shahi, Ralph D. Furmanek | 2005-10-04 |
| 6801013 | PSC motor system for use in HVAC applications | Prakash B. Shahi, Ralph D. Furmanek | 2004-10-05 |
| 6442979 | Washing machine motor control device and method | J. Stephen Thorn, Ralph D. Furmanek | 2002-09-03 |
| 6040989 | Device and method for generating three-phase sine waves using two pulse-width modulators | J. Stephen Thorn | 2000-03-21 |
| 5883488 | Method and apparatus for multispeed hybrid start switch for a motor | — | 1999-03-16 |