Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359833 | Optical monitoring device for use in heating, ventilation, air conditioning and refrigeration system for moisture level | Ziyou Xiong, Michael J. Birnkrant, Marcin Piech, Sarath Chandra Srikakulapu, Anup Kumar +1 more | 2025-07-15 |
| 12066221 | Modular waterside economizer integrated with air-cooled chillers | Frank Silva, Biswajit Mitra | 2024-08-20 |
| 12055323 | Vapor compression system | Larry D. Burns | 2024-08-06 |
| 12018869 | System and method for mitigating risk from a leaked refrigerant at evaporator coils | — | 2024-06-25 |
| 11835244 | Evaporator with one or more leak mitigation dampers | Larry D. Burns | 2023-12-05 |
| 11802700 | Moderate-to-low global warming potential value refrigerant leak detection | Lei Chen | 2023-10-31 |
| 11499756 | Modular waterside economizer for air-cooled chillers | Frank Silva, Biswajit Mitra | 2022-11-15 |
| 11079149 | System and method of diluting a leaked refrigerant in an HVAC/R system | Paul Papas, Parmesh Verma, Larry D. Burns | 2021-08-03 |
| 11029040 | Heating system including a refrigerant boiler | Michael F. Taras, Alexander Lifson, Eugene Duane Daddis, Jr., Ludgina Fils Dieujuste, Kenneth J. Nieva | 2021-06-08 |
| 10429102 | Two phase loop distributed HVACandR system | Thomas D. Radcliff, Parmesh Verma, Dong Luo, Michel Grabon | 2019-10-01 |
| 10371408 | Flame arrestors for use with a HVAC/R system | Paul Papas, Parmesh Verma, William F. Walter | 2019-08-06 |
| 10267542 | Wide speed range high-efficiency cold climate heat pump | Ahmad M. Mahmoud, Parmesh Verma, Thomas D. Radcliff, Jeffrey J. Nieter | 2019-04-23 |
| 9995496 | Control of a conditioned air supply system | Guy DeLuca, Michael J. Froehlich | 2018-06-12 |
| 9995516 | Superheat control for HVACandR systems | Alexander Lifson, Michael F. Taras | 2018-06-12 |
| 9683748 | Rooftop hydronic heating unit | Eugene Duane Daddis, Jr., Kenneth J. Nieva | 2017-06-20 |
| 9267696 | Integrated membrane dehumidification system | David W. Gerlach, Sherif Kandil, Parmesh Verma, Frederick J. Cogswell, Rajiv Yadav Ranjan +1 more | 2016-02-23 |
| 8955343 | Ejector cycle refrigerant separator | Parmesh Verma, Jinliang Wang, Frederick J. Cogswell, Hans-Joachim Huff, Alexander Lifson | 2015-02-17 |
| 7836713 | Speed control of multiple components in refrigerant systems | Alexander Lifson, Michael F. Taras | 2010-11-23 |
| 6471473 | Marine in bilge blower | Bruce S. Wilkinson, Scott K. Batchelder | 2002-10-29 |
| 5829265 | Suction service valve | Dennis R. Penge | 1998-11-03 |
| 5806327 | Compressor capacity reduction | Kenneth J. Nieva | 1998-09-15 |
| 5782131 | Flooded cooler with liquid level sensor | Arthur F. Friday, Jr., Kenneth J. Nieva | 1998-07-21 |
| 5735139 | Dual inlet oil separator for a chiller | Kenneth J. Nieva | 1998-04-07 |
| 5724821 | Compressor oil pressure control method | Kenneth J. Nieva | 1998-03-10 |
| 5704215 | Internal oil separator for a refrigeration system condenser | David L. Waugh, Dennis R. Penge | 1998-01-06 |