Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11916444 | Electric loss shunting in a chiller-compressor-motor-drive system | Jay H. Johnson, Joseph M. Heger, Charles J. Peterson | 2024-02-27 |
| 11031848 | Electric motor with harmonic shunting | Jay H. Johnson, Joseph M. Heger, Charles J. Peterson | 2021-06-08 |
| 10072468 | Motor cooling system for chillers | Chuck Roesler | 2018-09-11 |
| 9903451 | Linkage to actuate inlet guide vanes | Jon Christopher Johnson | 2018-02-27 |
| 6705100 | Purge | Robert Roth, Brian T. Sullivan, Steven E. Wolfgram | 2004-03-16 |
| 6679076 | Centrifugal chiller with high voltage unit-mounted starters | Joel S. Duga, John A. Komperud | 2004-01-20 |
| 6647736 | Purge | Robert Roth, Brian T. Sullivan, Steven E. Wolfgram, Lori Ann Manning | 2003-11-18 |
| 6564564 | Purge | Robert Roth, Brian T. Sullivan, Steven E. Wolfgram | 2003-05-20 |
| 5521566 | High amperage solenoid structure | Larry J. Krubsack, Allen L. Handy | 1996-05-28 |