Wenqian Liu

Person

Plano, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for preventing component malfunction using acc...
- Patent number 11,796,237
- Issue date Oct 24, 2023
- Lennox Industries Inc.
- Wenqian Liu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for re-heat circuit operation
- Patent number 11,306,928
- Issue date Apr 19, 2022
- Lennox Industries Inc.
- Rakesh Goel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
HVAC systems and methods with multiple-path expansion device subsys...
- Patent number 11,255,582
- Issue date Feb 22, 2022
- Lennox Industries Inc.
- Wenqian Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for preventing component malfunction using acc...
- Patent number 11,067,322
- Issue date Jul 20, 2021
- Lennox Industries Inc.
- Wenqian Liu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for re-heat circuit operation
- Patent number 10,801,742
- Issue date Oct 13, 2020
- Lennox Industries Inc.
- Rakesh Goel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Evaporator coil protection for HVAC systems
- Patent number 10,655,877
- Issue date May 19, 2020
- Lennox Industries Inc.
- Wenqian Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
HVAC systems and methods with multiple-path expansion device subsys...
- Patent number 10,465,949
- Issue date Nov 5, 2019
- Lennox Industries Inc.
- Wenqian Liu
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR PREVENTING COMPONENT MALFUNCTION USING ACC...
- Publication number 20210302086
- Publication date Sep 30, 2021
- Lennox Industries Inc.
- Wenqian LIU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD AND APPARATUS FOR RE-HEAT CIRCUIT OPERATION
- Publication number 20200408426
- Publication date Dec 31, 2020
- Lennox Industries Inc.
- Rakesh Goel
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHOD AND APPARATUS FOR PREVENTING COMPONENT MALFUNCTION USING ACC...
- Publication number 20200240689
- Publication date Jul 30, 2020
- Lennox Industries Inc.
- Wenqian LIU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HVAC Systems and Methods with Multiple-Path Expansion Device Subsys...
- Publication number 20200033030
- Publication date Jan 30, 2020
- Lennox Industries Inc.
- Wenqian Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHOD AND APPARATUS FOR RE-HEAT CIRCUIT OPERATION
- Publication number 20190309965
- Publication date Oct 10, 2019
- Lennox Industries Inc.
- Rakesh Goel
- F24 - HEATING RANGES VENTILATING
Information Patent Application
EVAPORATOR COIL PROTECTION FOR HVAC SYSTEMS
- Publication number 20190226706
- Publication date Jul 25, 2019
- Lennox Industries Inc.
- Wenqian Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HVAC Systems and Methods with Multiple-Path Expansion Device Subsys...
- Publication number 20190011153
- Publication date Jan 10, 2019
- Lennox Industries Inc.
- Wenqian Liu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Wenqian Liu

Person

Patents Grantslast 30 patents

Method and apparatus for preventing component malfunction using acc...

Method and apparatus for re-heat circuit operation

HVAC systems and methods with multiple-path expansion device subsys...

Method and apparatus for preventing component malfunction using acc...

Method and apparatus for re-heat circuit operation

Evaporator coil protection for HVAC systems

HVAC systems and methods with multiple-path expansion device subsys...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR PREVENTING COMPONENT MALFUNCTION USING ACC...

METHOD AND APPARATUS FOR RE-HEAT CIRCUIT OPERATION

METHOD AND APPARATUS FOR PREVENTING COMPONENT MALFUNCTION USING ACC...

HVAC Systems and Methods with Multiple-Path Expansion Device Subsys...

METHOD AND APPARATUS FOR RE-HEAT CIRCUIT OPERATION

EVAPORATOR COIL PROTECTION FOR HVAC SYSTEMS

HVAC Systems and Methods with Multiple-Path Expansion Device Subsys...