Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David Dwain Rishel — 5 Patents

RORohr: 5 patents #59 of 452Top 15%
Smithville, TX: #4 of 32 inventorsTop 15%
Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #979,206 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10232463 Tool and method for bonding layers of a metallic axisymmetric structure having complex curvatures Thomas Edward Sommer, Mark Alan Ramsey 2019-03-19
9517528 Tool and method for bonding layers of a metallic axisymmetric structure having complex curvatures Thomas Edward Sommer, Mark Alan Ramsey 2016-12-13
8584726 Tool and method for bonding layers of a metallic axisymmetric structure having complex curvatures Thomas Edward Sommer, Mark Alan Ramsey 2013-11-19
8474684 Segmented mandrel for high temperature bonding of metallic axisymmetric shells having complex curvatures Thomas Edward Sommer, Mark Alan Ramsey 2013-07-02
8245750 Segmented mandrel for high temperature bonding of metallic axisymmetric shells having complex curvatures Thomas Edward Sommer, Mark Alan Ramsey 2012-08-21