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

Thomas A. Christenson

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Covington, LA: #93 of 189 inventorsTop 50%
Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #3,975,686 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4670305 Process for coating a pipe interior with cross-linked block copolymer Lee N. Morgenthaler, Peter Paul Radecki 1987-06-02