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USPTO Patent Rankings Data through Dec 31, 2025
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Joseph R. Linzer — 10 Patents

SISaudi Basic Industries: 9 patents #46 of 474Top 10%
Houston, TX: #2,304 of 21,073 inventorsTop 15%
Texas: #15,343 of 125,132 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Joseph R. Linzer has been granted 10 US patents while listed as an inventor at Saudi Basic Industries. The first was granted in 2007 and the most recent in May 2017. Joseph R. Linzer ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Joseph R. Linzer in Houston, TX, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9643171 Method of making heteropoly acid compound catalysts James W. Kauffman, Wugeng Liang, Lixia Cai 2017-05-09
8178718 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof Wugeng Liang, Paul E. Ellis, Jr. 2012-05-15
7999133 Methods for making unsaturated acids using catalysts for methacrolein oxidation Scott A. Stevenson, Wugeng Liang, James W. Kauffman, Lixia Cai, Angie McGuffey 2011-08-16
7923404 Methods for preparing catalysts for methacrolein oxidation Scott A. Stevenson, Wugeng Liang, James W. Kauffman, Lixia Cai, Angie McGuffey 2011-04-12
7732367 Catalyst for methacrolein oxidation and method for making and using same Scott A. Stevenson, Wugeng Liang, James W. Kauffman, Lixia Cai, Angie McGuffey 2010-06-08
7649111 Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same Wugeng Liang, Scott A. Stevenson, Angie McGuffey 2010-01-19
7501377 Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins Wugeng Liang, Scott A. Stevenson, James W. Kauffman, John S. Ledford 2009-03-10
7361791 Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins Wugeng Liang, Scott A. Stevenson, James W. Kauffman, John S. Ledford 2008-04-22
7273829 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof Wugeng Liang, Scott A. Stevenson 2007-09-25
7232788 Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins Wugeng Liang, Scott A. Stevenson, James W. Kauffman, John S. Ledford 2007-06-19