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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Yahn — 4 Patents

ExxonMobil: 3 patents #3,063 of 10,161Top 35%
UTUnivation Technologies: 1 patents #199 of 289Top 70%
Humble, TX: #132 of 498 inventorsTop 30%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David A. Yahn has been granted 4 US patents while listed as an inventor at ExxonMobil. The first was granted in 2009 and the most recent in April 2012. David A. Yahn ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David A. Yahn in Humble, TX, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8148481 Method for seed bed treatment for a polymerization reaction F. David Hussein, Mark G. Goode, Michael E. Muhle, Robert O. Hagerty 2012-04-03
7505127 On-line raman analysis and control of a high pressure reaction system David Marrow 2009-03-17 $389,033,000
7505129 On-line analysis of polymer properties for control of a solution phase reaction system David Marrow, Blu E. Englehorn 2009-03-17 $389,033,000
7483129 On-line properties analysis of a molten polymer by raman spectroscopy for control of a mixing device David Marrow, Thomas R. Veariel 2009-01-27 $338,403,000