JD

John E. Duddy

AX Axens: 2 patents #1 of 30Top 4%
📍 Langhorne, PA: #3 of 36 inventorsTop 9%
🗺 Pennsylvania: #1,174 of 7,891 inventorsTop 15%
Overall (2019): #157,879 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10487274 Integrated coal liquefaction, petroleum or biomass facility with decreased carbon dioxide production and higher carbon and thermal efficiencies James J. Colyar, Eric D. Peer 2019-11-26
10400108 Carbon black feedstock from direct coal liquefaction James J. Colyar 2019-09-03