Lee Nelson

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
HVAC systems and methods with improved heating element control
- Patent number 11,187,436
- Issue date Nov 30, 2021
- Lennox Industries Inc.
- Joe Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
HVAC systems and methods with improved heating element control
- Patent number 10,704,805
- Issue date Jul 7, 2020
- Lennox Industries Inc.
- Joe Powell
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
HVAC Systems and Methods with Improved Heating Element Control
- Publication number 20200292210
- Publication date Sep 17, 2020
- Lennox Industries Inc.
- Joe Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HVAC SYSTEMS AND METHODS WITH IMPROVED HEATING ELEMENT CONTROL
- Publication number 20160040907
- Publication date Feb 11, 2016
- Lennox Industries Inc.
- Joe Powell
- F24 - HEATING RANGES VENTILATING