Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387281 | Systems and methods for grid appliances | Michael Sean Day, Matthew M. Corulli, Stephen A. Kujak | 2025-08-12 |
| 12092378 | Refrigerant management in HVAC systems | Jon P. Hartfield, Harry Kenneth Ring, Michael William Groen, Stephen A. Kujak | 2024-09-17 |
| 11615488 | Systems and methods for grid appliances | Michael Sean Day, Matthew M. Corulli, Stephen A. Kujak | 2023-03-28 |
| 11231205 | Using heat recovered from heat source to obtain high temperature hot water | Stephen A. Kujak, Kenneth J. Schultz | 2022-01-25 |
| 11137183 | Phobic/philic structures in refrigeration systems and liquid vapor separation in refrigeration systems | Stephen A. Kujak, Jay H. Johnson | 2021-10-05 |
| 11105544 | Variable orifice for a chiller | Brian T. Sullivan, Steven J. Pitts, Thomas Gallant | 2021-08-31 |
| 10886739 | Systems and methods for grid appliances | Michael Sean Day, Matthew M. Corulli, Stephen A. Kujak | 2021-01-05 |
| 10465956 | Phobic/philic structures in refrigeration systems and liquid vapor separation in refrigeration systems | Stephen A. Kujak, Jay H. Johnson | 2019-11-05 |
| 10443900 | Heat pump | Stephen A. Kujak, Kenneth J. Schultz | 2019-10-15 |
| 7421855 | Gas trap distributor for an evaporator | H. Kenneth Ring, Kenneth J. Schultz, Steven J. Pitts, Brian T. Sullivan | 2008-09-09 |
| 6601405 | Single-pass, direct-fired generator for an absorption chiller | Jeffrey D. Harms, Gordon C. Stewart | 2003-08-05 |
| 6572689 | Vapor/liquid separator for an absorption chiller | Jeffrey D. Harms, Stephen A. Kujak, Luan Khai Nguyen, Thomas G. Travers | 2003-06-03 |