Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RB

Robert E. Breidenthal — 3 Patents in 2021

CTClearsign Technologies: 2 patents #2 of 7Top 30%
QIQuest Integrated: 1 patents #4 of 10Top 40%
UWUniversity Of Washington: 1 patents #37 of 221Top 20%
Seattle, WA: #424 of 4,505 inventorsTop 10%
Washington: #1,376 of 13,672 inventorsTop 15%
Overall (2021): #65,873 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11156356 Fuel combustion system with a perforated reaction holder DOUGLAS W. KARKOW, JOSEPH COLANNINO, Christopher A. Wiklof 2021-10-26 $1,004,000
11085471 Active control of vortices for skin friction reduction Giovanni Nino, Aline Cotel 2021-08-10
11047572 Porous flame holder for low NOx combustion DOUGLAS W. KARKOW, JOSEPH COLANNINO, Christopher A. Wiklof 2021-06-29 $2,697,000