DD

David Deng

PH Procom Heating: 2 patents #2 of 3Top 70%
📍 Diamond Bar, CA: #1 of 43 inventorsTop 3%
🗺 California: #1,630 of 57,791 inventorsTop 3%
Overall (2016): #11,436 of 481,213Top 3%
8
Patents 2016

Issued Patents 2016

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9523497 Dual fuel heater with selector valve 2016-12-20
9518732 Heating assembly 2016-12-13
9441839 Heating apparatus with fan 2016-09-13
9441833 Heating assembly 2016-09-13
9441840 Heating apparatus with fan 2016-09-13
9423123 Safety pressure switch 2016-08-23
9416977 Heater configured to operate with a first or second fuel 2016-08-16
9328922 Valve assemblies for heating devices 2016-05-03