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

Ai-Fu Chang — 1 Patent in 2021

Chevron: 1 patents #119 of 352Top 35%
Humble, TX: #28 of 74 inventorsTop 40%
Texas: #5,748 of 16,780 inventorsTop 35%
Overall (2021): #543,080 of 548,734Top 100%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11021549 System and method for rapid dump tank heating Joseph A. Curren, James E. Hein, Ralph W. Romig 2021-06-01