Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daniel K. Boche

EUEcolab Usa: 31 patents #11 of 575Top 2%
Eagan, MN: #17 of 891 inventorsTop 2%
Minnesota: #1,863 of 52,454 inventorsTop 4%
Overall (All Time): #119,799 of 4,157,543Top 3%
31 Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
D334968 Chemical detergent block Elizabeth J. Gladfelter, Tina O. Outlaw, James L. Copeland, Rhonda K. Schulz, Jeff W. Peterson 1993-04-20
D334420 Chemical detergent block Elizabeth J. Gladfelter, Tina O. Outlaw, James L. Copeland, Rhonda K. Schulz, Jeff W. Peterson 1993-03-30
D334421 Chemical detergent block Elizabeth J. Gladfelter, Tina O. Outlaw, James L. Copeland, Rhonda K. Schulz, Jeff W. Peterson 1993-03-30
D334227 Chemical detergent block Elizabeth J. Gladfelter, Tina O. Outlaw, James L. Copeland, Rhonda K. Schulz, Jeff W. Peterson 1993-03-23
5194230 Solid product static brake for solid block chemical dispensers Matthew D. PeKarna, Greg Grandprey, John M. Lavorata 1993-03-16
5186912 Controlled release dishwasher detergent dispenser Richard E. Steindorf, Katsumi Maeda, Yoichi Satoh 1993-02-16