Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8165737 | Method and system for controlling a power inverter in electric drives of vehicles with two-mode transmissions | Steven E. Schulz, Brian A. Welchko, Silva Hiti | 2012-04-24 |
| 8062170 | Thermal protection of an electric drive system | Wei D. Wang, Brian A. Welchko, Steven E. Schulz, Peter E. Wu | 2011-11-22 |
| 8065050 | Method and apparatus for detecting an insufficient phase current in a permanent magnet synchronous motor | Wei D. Wang, Sean E. Gleason | 2011-11-22 |
| 8013554 | Shutdown path performance test for permanent magnet AC motor in hybrid powertrain | Wei D. Wang | 2011-09-06 |
| 7848902 | Method and apparatus for monitoring a thermal management system of an electro-mechanical transmission | Andrew M. Zettel, Charles J. Van Horn, Peter E. Wu, Ryan D. Martini, Wei D. Wang | 2010-12-07 |
| 7834574 | Phase current sampling and regulating apparatus and methods, and electric motor drive systems | Brian A. Welchko, Steven E. Schulz, Silva Hiti | 2010-11-16 |
| 7755310 | Method and apparatus for electric motor torque monitoring | Wei D. Wang, Sean E. Gleason | 2010-07-13 |
| 7679309 | Method and system for motor control with delay compensation | Steven E. Schulz, Nitinkumar R. Patel, Bonho Bae | 2010-03-16 |
| 7652443 | Method and system for controlling a power inverter in electric drives | Steven E. Schulz, Brian A. Welchko, Silva Hiti | 2010-01-26 |
| 7555411 | Method and apparatus to monitor a temperature sensing device | Wei D. Wang, Peter E. Wu, Slobodan Gataric, Harry J. Bauer | 2009-06-30 |
| 7518335 | Method and apparatus for PWM control of voltage source inverter to minimize current sampling errors in electric drives | Brian A. Welchko, Steven E. Schulz, Silva Hiti | 2009-04-14 |
| 7432683 | PWM pattern sequence to reduce losses in voltage source inverters | Brian A. Welchko, Steven E. Schulz, Silva Hiti | 2008-10-07 |
| 6526948 | Apparatus for diagnosing failures and fault conditions in a fuel system of an internal combustion engine | Jonathan A. Stavnheim, Shyamala Raghunathan | 2003-03-04 |
| 6308124 | System for determining an equivalent throttle valve for controlling automatic transmission shift points | John P. Kresse | 2001-10-23 |
| 6293251 | Apparatus and method for diagnosing erratic pressure sensor operation in a fuel system of an internal combustion engine | Rodney J. Hemmerlein | 2001-09-25 |
| 6076504 | Apparatus for diagnosing failures and fault conditions in a fuel system of an internal combustion engine | Jonathan A. Stavnheim, Shyamala Raghunathan | 2000-06-20 |
| 6053147 | Apparatus and method for diagnosing erratic pressure sensor operation in a fuel system of an internal combustion engine | Rodney J. Hemmerlein | 2000-04-25 |
| 6049836 | Method and apparatus for automatic control of instruments through video signals | Richard O. Carmack, Howard Clarence Freeman, Charles V. Green, David S. Herron, Darren Carl Martin +7 more | 2000-04-11 |
| 5937826 | Apparatus for controlling a fuel system of an internal combustion engine | David A. Olson, Keith L. Musser, Shyamala Raghunathan, Jonathan A. Stavnheim | 1999-08-17 |
| 5724066 | Method and apparatus for automatic control of instruments through video | Richard O. Carmack, Howard Clarence Freeman, Charles V. Green, David S. Herron, Darren Carl Martin +7 more | 1998-03-03 |