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

David Doolaege

Carlotta, CA: #1 of 3 inventorsTop 35%
California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #846,684 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9828736 Water containment structure with finger ends 2017-11-28
6905287 Water containment structure with fish ladder 2005-06-14
6783300 Water containment structure 2004-08-31
6481928 Flexible hydraulic structure and system for replacing a damaged portion thereof 2002-11-19
6364571 Flexible hydraulic structure with right angle tube fitted therethrough 2002-04-02
5059065 Apparatus and a method for joining water structure sections or the like 1991-10-22