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USPTO Patent Rankings Data through Dec 31, 2025
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Robert A. D. Strack — 2 Patents

ExxonMobil: 2 patents #3,942 of 10,161Top 40%
Houston, TX: #8,734 of 21,073 inventorsTop 45%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert A. D. Strack has been granted 2 US patents while listed as an inventor at ExxonMobil. The first was granted in 2009 and the most recent in September 2011. Robert A. D. Strack ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert A. D. Strack in Houston, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8025773 System for extending the range of hydrocarbon feeds in gas crackers James N. McCoy, Walter F. Filupeit, Barrington M. Hammond, David J. Duhon, Mark A. Rooney +1 more 2011-09-27 $196,785,000
7560019 System and method for extending the range of hydrocarbon feeds in gas crackers James N. McCoy, Walter F. Filupeit, Barrington M. Hammond, David J. Duhon, Mark A. Rooney +1 more 2009-07-14 $572,857,000