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

John A. Jensvold — 28 Patents

GIGeneron Igs: 14 patents #1 of 18Top 6%
The Dow Chemical: 8 patents #404 of 4,115Top 10%
MGMg Generon: 6 patents #1 of 16Top 7%
TTThe University Of Toledo: 1 patents #199 of 439Top 50%
Benicia, CA: #6 of 234 inventorsTop 3%
California: #18,844 of 386,348 inventorsTop 5%
Overall (All Time): #137,152 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4900334 Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties Wudneh Admassu, Daniel O. Clark 1990-02-13
4838904 Semi-permeable membranes with an internal discriminating region Edgar S. Sanders, Jr., Daniel O. Clark 1989-06-13
4772392 Process for preparing POWADIR membranes from tetrahalobisphenol A polycarbonates Edgar S. Sanders, Jr., Daniel O. Clark, Henry N. Beck, G. Glenn Lipscomb, II, Frederick L. Coan 1988-09-20