DH

Daniel R. Higgins

📍 Tigard, OR: #24 of 96 inventorsTop 25%
🗺 Oregon: #1,023 of 4,319 inventorsTop 25%
Overall (2017): #160,286 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9581325 Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification Eugene Sullivan 2017-02-28
9581326 Power boiler having vertically mounted cylindrical combustion chamber Eugene Sullivan 2017-02-28