Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410929 | Rapid restart chiller system | Raphael Gury, Philippe Del Marcel Tisserand | 2025-09-09 |
| 11085684 | System and method for unloading a multi-stage compressor | — | 2021-08-10 |
| 10634405 | Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive | — | 2020-04-28 |
| 10619900 | Accumulator for charge management | — | 2020-04-14 |
| 10612827 | Chiller capacity control apparatuses, methods, and systems | — | 2020-04-07 |
| 10422559 | Refrigerant level management in heat exchangers of an HVAC chiller | Jon P. Hartfield, Harry Kenneth Ring, Benjamin Elias Dingel | 2019-09-24 |
| 9989943 | HVAC systems and controls | Thomas J. Clanin, Scott A. Munns | 2018-06-05 |
| 9903626 | Fluid management in a HVAC system | Benjamin Elias Dingel, Harry Kenneth Ring | 2018-02-27 |
| 9823005 | Methods and systems for detecting and recovering from control instability caused by impeller stall | Thomas J. Clanin | 2017-11-21 |
| 9746228 | Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive | — | 2017-08-29 |
| 9677795 | Refrigerant management in a HVAC system | Jon P. Hartfield, Harry Kenneth Ring, Benjamin Elias Dingel | 2017-06-13 |
| 9523523 | System and method for managing fluid level in a HVAC system | Benjamin Elias Dingel, Harry Kenneth Ring | 2016-12-20 |
| 6318117 | Absorption chiller with counter flow generator | Daoud A. Jandal, Robin R. Lee, Michael Morse | 2001-11-20 |
| 6276152 | Chiller capacity control with variable chilled water flow compensation | — | 2001-08-21 |
| 6266964 | Use of electronic expansion valve to maintain minimum oil flow | Jonathan M. Meyer, Sean A. Smith | 2001-07-31 |
| 6085532 | Chiller capacity control with variable chilled water flow compensation | — | 2000-07-11 |
| 6050098 | Use of electronic expansion valve to maintain minimum oil flow | Jonathan M. Meyer | 2000-04-18 |
| 5950443 | Compressor minimum capacity control | Jonathan M. Meyer, Ronald W. Okoren, Daniel C. Leaver, Sean A. Smith | 1999-09-14 |
| 5916251 | Steam flow regulation in an absorption chiller | — | 1999-06-29 |
| 5848535 | Control system having a binomial setpoint filter | — | 1998-12-15 |
| 5813241 | Crytallization detection and recovery for two-stage absorption refrigeration machine | Mark D. Berget | 1998-09-29 |
| 5809794 | Feed forward control of expansion valve | Daniel C. Leaver, Craig M. Goshaw | 1998-09-22 |
| 5632154 | Feed forward control of expansion valve | Daniel C. Leaver, Craig M. Goshaw | 1997-05-27 |
| 5586447 | Concentration control in an absorption chiller | Mark D. Berget | 1996-12-24 |
| 5419146 | Evaporator water temperature control for a chiller system | Daniel C. Leaver, Paul R. Glamm | 1995-05-30 |