DK

DOUGLAS W. KARKOW

CT Clearsign Technologies: 2 patents #2 of 7Top 30%
📍 Mount Vernon, IA: #1 of 7 inventorsTop 15%
🗺 Iowa: #267 of 1,785 inventorsTop 15%
Overall (2021): #165,933 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11156356 Fuel combustion system with a perforated reaction holder Robert E. Breidenthal, JOSEPH COLANNINO, Christopher A. Wiklof 2021-10-26
11047572 Porous flame holder for low NOx combustion JOSEPH COLANNINO, Robert E. Breidenthal, Christopher A. Wiklof 2021-06-29