DH

Der-Kai Hung

LI Lennox Industries: 4 patents #9 of 78Top 15%
📍 Dallas, TX: #39 of 738 inventorsTop 6%
🗺 Texas: #1,017 of 15,389 inventorsTop 7%
Overall (2017): #48,749 of 506,227Top 10%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9759468 System for controlling operation of an HVAC system having tandem compressors Harold Gene Havard, Jr., Rosa Maria Leal 2017-09-12
9692347 Airflow-confirming HVAC systems and methods with variable speed blower Harold Gene Havard, Jr., Rosa Maria Leal, Steven C. Brown, Stephen A. Walter 2017-06-27
9677797 Inverter controller, method of operation thereof and field-installable retrofit kit incorporating the same Harold Gene Havard, Jr., Eric Perez, Terry Jewell 2017-06-13
9581371 System for operating an HVAC system having tandem compressors Harold Gene Havard, Jr., Rosa Maria Leal 2017-02-28