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

David A. Hudgins

EEEsionic Es: 5 patents #2 of 9Top 25%
Englewood, CO: #182 of 810 inventorsTop 25%
Colorado: #8,936 of 40,980 inventorsTop 25%
Overall (All Time): #1,009,743 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8846246 Phosphonium ionic liquids, compositions, methods of making and electrolytic films formed there from J. Adrian Hawkins, Levi J. Irwin 2014-09-30
8778534 Phosphonium ionic liquids, compositions, methods of making and batteries formed there from J. Adrian Hawkins, Levi J. Irwin 2014-07-15
8586797 Phosphonium ionic liquids, compositions, methods of making and devices formed there from J. Adrian Hawkins, Levi J. Irwin 2013-11-19
8586798 Heat transfer medium, phosphonium ionic liquids, and methods of making J. Adrian Hawkins, Levi J. Irwin 2013-11-19
8525155 Phosphonium ionic liquids, compositions, methods of making and electronic devices formed there from J. Adrian Hawkins, Levi J. Irwin 2013-09-03