DH

David Lee Haessig

📍 Poway, CA: #20 of 151 inventorsTop 15%
🗺 California: #8,721 of 67,048 inventorsTop 15%
Overall (2024): #89,887 of 561,600Top 20%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12181166 Methods to monitor air filter life in fan motor controller and apparatus for same Ronald Sai Kit Yip, Roger Hort 2024-12-31
12099074 Electronic proof of air flow switch Joshua Lee Welton 2024-09-24
12025329 HVAC motor control local display and adjustment methods and apparatus for same Ronald Sai Kit Yip, Roger Hort, Joshua Lee Welton 2024-07-02