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

David A. Babb — 61 Patents

Dow Global Technologies: 33 patents #47 of 4,534Top 2%
The Dow Chemical: 26 patents #58 of 4,115Top 2%
COCovestro: 1 patents #136 of 276Top 50%
DLDow Brasil Sudeste Industrial Ltda.: 1 patents #6 of 28Top 25%
Lake Jackson, TX: #8 of 948 inventorsTop 1%
Texas: #1,198 of 125,132 inventorsTop 1%
Overall (All Time): #37,251 of 4,157,543Top 1%
61 Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
5198513 Reactive compounds containing perfluorovinyl groups Katherine S. Clement, Bobby R. Ezzell, W. Frank Richey 1993-03-30
5162468 Perfluorovinyl compounds Katherine S. Clement, Bobby R. Ezzell 1992-11-10
5159038 Perfluorocyclobutane ring-containing polymers W. Frank Richey, Katherine S. Clement, Bobby R. Ezzell 1992-10-27
5159037 Perfluorocyclobutane ring-containing polymers Katherine S. Clement, Bobby R. Ezzell 1992-10-27
5159036 Perfluorocyclobutane ring-containing polymers with crosslinking 1992-10-27
5066746 Perfluorocyclobutane ring-containing polymers Katherine S. Clement, Bobby R. Ezzell 1991-11-19
5037917 Perfluorocyclobutane ring-containing polymers Katherine S. Clement, W. Frank Richey, Bobby R. Ezzell 1991-08-06
5037918 Perfluorocyclobutane ring-containing polymers with crosslinking 1991-08-06
5037919 Reactive compounds containing perfluorovinyl groups Katherine S. Clement, Bobby R. Ezzell, W. Frank Richey 1991-08-06
5023380 Perfluorovinyl compounds Bobby R. Ezzell, Katherine S. Clement 1991-06-11
5021602 Reactive compounds containing perfluorocyclobutane rings Katherine S. Clement, Bobby R. Ezzell 1991-06-04