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

David R. Dunlap — 3 Patents

ESEltech Systems: 1 patents #87 of 162Top 55%
RARefractory Anchors: 1 patents #3 of 4Top 75%
Mexico, MO: #7 of 28 inventorsTop 25%
Missouri: #6,609 of 23,789 inventorsTop 30%
Overall (All Time): #1,661,401 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5115114 Ceramic fiber attaching system for a backing plate George J. Paulonis 1992-05-19
4571911 Modular insulation anchor Eugene N. Brown 1986-02-25
4248023 Insulated ceramic fiber refractory module 1981-02-03