Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WK

Wan C. Kan

EXExxonMobil: 3 patents #3,051 of 10,161Top 35%
Houston, TX: #5,364 of 21,073 inventorsTop 30%
Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,175,401 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10207455 Flexible pipe with corrosion resistant layer Krassimir I. Doynov, Venkat R. Krishnan 2019-02-19
10041306 Fatigue performance enhancer Howard Wang 2018-08-07
9004176 Marine well containment system and method Calvin W. Crossley, Jeffrey W. Jones, Allen P. Allegra, Jonathan Bowman, Lloyd Brown +13 more 2015-04-14
7897267 Apparatus and methods of improving riser weld fatigue Douglas S. Hoyt, Michael S. Weir 2011-03-01