Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876561 | Cooling systems for variable speed drives and inductors | Ivan Jadric, Steve Hoover, Kathleen S. Rogers, Mustafa Kemel Yanik | 2011-01-25 |
| 7854596 | System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation | E. Curtis Eichelberger, Paul Nemit, Jr. | 2010-12-21 |
| 7764041 | System and method to extend synchronous operation of an active converter in a variable speed drive | Shreesha Adiga Manoor | 2010-07-27 |
| 7746020 | Common mode & differential mode filter for variable speed drive | Ivan Jadric, Shreesha Adiga Manoor | 2010-06-29 |
| 7640767 | Low voltage variable speed drive for application on medium/high voltage mains | Dean K. Norbeck | 2010-01-05 |
| 7619906 | System for precharging a DC link in a variable speed drive | — | 2009-11-17 |
| 7555912 | System for precharging a DC link in a variable speed drive | Ivan Jadric | 2009-07-07 |
| 7439702 | Application of a switched reluctance motion control system in a chiller system | Stephen H. Smith, Ivan Jadric | 2008-10-21 |
| 7425806 | System and method for controlling a variable speed drive | Ivan Jadric, Scott Victor Slothower | 2008-09-16 |
| 7413413 | System and method to reduce acoustic noise in screw compressors | E. Curtis Eichelberger, Paul Nemit, Jr. | 2008-08-19 |
| 7387498 | System and method for noise attenuation of screw compressors | E. Curtis Eichelberger, Paul Nemit, Jr. | 2008-06-17 |
| 7332885 | Ride-through method and system for HVAC&R chillers | Ivan Jadric | 2008-02-19 |
| 7208891 | Variable speed drive for a chiller system | Ivan Jadric | 2007-04-24 |
| 7202626 | Variable speed drive for a chiller system with a switched reluctance motor | Ivan Jadric, Stephen H. Smith | 2007-04-10 |
| 7164242 | Variable speed drive for multiple loads | Israel Federman | 2007-01-16 |
| 7096681 | System and method for variable speed operation of a screw compressor | Frank E. Wills, Douglas A. Kester, John F. Judge, Mahesh Valiya-Naduvath, Israel Federman | 2006-08-29 |
| 7081734 | Ride-through method and system for HVACandR chillers | Ivan Jadric | 2006-07-25 |
| 7075268 | System and method for increasing output horsepower and efficiency in a motor | Frank E. Wills | 2006-07-11 |
| 7005829 | System for precharging a DC link in a variable speed drive | — | 2006-02-28 |
| 7003971 | Electronic component cooling system for an air-cooled chiller | Douglas A. Kester, Mustafa Kemel Yanik, John F. Judge, Mahesh Valiya Naduvath, Frank Highland Hill, IV | 2006-02-28 |
| 6686718 | Control loop and method for variable speed drive ride-through capability improvement | Ivan Jadric | 2004-02-03 |
| 6434003 | Liquid-cooled power semiconductor device heatsink | Steven N. Roy, John F. Judge | 2002-08-13 |
| 6404265 | Highly efficient driver circuit for a solid state switch | Louis A. Guido, Jr. | 2002-06-11 |
| 6404346 | Method and apparatus for detecting a failed thyristor | Ivan Jadrić | 2002-06-11 |
| 6339352 | Anticipatory Schmitt trigger | Muhammet Cosan | 2002-01-15 |