Zer Kai Yap

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Allen, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method to avoid fan cycling during low ambient operation
- Patent number 11,353,252
- Issue date Jun 7, 2022
- Lennox Industries Inc.
- David Mackey
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Method to avoid fan cycling during low ambient operation
- Patent number 10,520,235
- Issue date Dec 31, 2019
- Lennox Industries Inc.
- David Mackey
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
METHOD TO AVOID FAN CYCLING DURING LOW AMBIENT OPERATION
- Publication number 20200103152
- Publication date Apr 2, 2020
- Lennox Industries Inc.
- David Mackey
- 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
Method to Avoid Fan Cycling During Low Ambient Operation
- Publication number 20180164010
- Publication date Jun 14, 2018
- Lennox Industries Inc.
- David Mackey
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...