Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RW

Robert J. Wittenbrink — 76 Patents

ExxonMobil: 76 patents #56 of 10,161Top 1%
Kingwood, TX: #7 of 726 inventorsTop 1%
Texas: #805 of 125,132 inventorsTop 1%
Overall (All Time): #24,882 of 4,157,543Top 1%
76 Patents All Time
Robert J. Wittenbrink has been granted 76 US patents while listed as an inventor at ExxonMobil. The first was granted in 1996 and the most recent in September 2022. Robert J. Wittenbrink ranks #24,882 of 4,157,543 US inventors in our database (top 0.60%). Patent records list Robert J. Wittenbrink in Kingwood, TX, US.

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11441023 Polyethylene films and methods of making the same Keran Chen, Yong Yang, Ling Ge, Xiao-Chuan Wang, Zhen Zhu +5 more 2022-09-13 $689,272,000
11370902 Articles comprising polypropylene impact copolymers and methods of making the same Bin Zhao, Na Li, Jie Xu, William A. Ramsey 2022-06-28 $408,797,000
10208143 Polyethylene polymers, films made therefrom, and methods of making the same Wen Li, Steven A. Best 2019-02-19 $155,000,000
8211968 Plasticized polyolefin compositions Henry W. Yang, Wen Li, Bruce R. Lundmark, Chon-Yie Lin, Chia Yung Cheng +9 more 2012-07-03 $114,960,000
7652093 Plasticized polyolefin compositions Henry W. Yang, Wen Li, Bruce R. Lundmark, Chon-Yie Lin, Chia Yung Cheng +9 more 2010-01-26 $145,526,000
7619026 Plasticized polyolefin compositions Henry W. Yang, Wen Li, Bruce R. Lundmark, Chon-Yie Lin, Chia Yung Cheng +9 more 2009-11-17 $358,208,000
7427506 High throughput property testing of olefin copolymers using rheological determinations Cesar A. Garcia-Franco, David J. Lohse, Bruce A. Harrington 2008-09-23 $530,221,000
7319083 Polymerized catalyst composition Guo-Xin Jin, Zerong Lin, Chang-Kun Liu 2008-01-15 $266,158,000
7265193 Polymerization process Weiqing Weng, Srivatsan Srinivas 2007-09-04 $962,567,000
7176158 Polymerization catalyst composition Stanley Wai-Yan Chow, Guo-Xin Jin, Zerong Lin, Dao Zhang 2007-02-13 $333,060,000
7119155 Polymerized catalyst composition II Stanley Wai-Yan Chow, Guo-Xin Jin, Zerong Lin, Dao Zhang 2006-10-10 $225,889,000
6860909 Low emissions F-T fuel/cracked stock blends Paul J. Berlowitz, Bruce R. Cook 2005-03-01 $441,149,000
6846848 Production of high purity fisher-tropsch wax Loren Ansell, Daniel Francis Ryan, Louis F. Burns 2005-01-25 $106,404,000
6833064 Wide cut Fischer Tropsch diesel fuels Paul J. Berlowitz, Daniel Francis Ryan, William Berlin Genetti, Jack W. Johnson 2004-12-21 $529,688,000
6822131 Synthetic diesel fuel and process for its production Paul J. Berlowitz, Bruce R. Cook 2004-11-23 $265,645,000
6787022 Winter diesel fuel production from a fischer-tropsch wax Paul J. Berlowitz, Daniel Francis Ryan, W. Genetti, Jack W. Johnson 2004-09-07 $123,027,000
6776898 Process for softening fischer-tropsch wax with mild hydrotreating Daniel Francis Ryan 2004-08-17 $110,079,000
6755961 Stability Fischer-Tropsch diesel fuel and a process for its production (LAW725) Paul J. Berlowitz, Bruce R. Cook 2004-06-29 $115,672,000
6717024 Slurry hydrocarbon synthesis with liquid hydroisomerization in the synthesis reactor Charles J. Mart, Janet Renee Clark, Jennifer S. Feeley 2004-04-06 $130,655,000
6695965 Process for adjusting the hardness of Fischer-Tropsch wax by blending Daniel Francis Ryan 2004-02-24 $288,980,000
6677388 Wax transport composition Tapan Chakrabarty, Paul J. Berlowitz, Loren Ansell 2004-01-13 $93,729,000
6669743 Synthetic jet fuel and process for its production (law724) Paul J. Berlowitz, Bruce R. Cook 2003-12-30 $104,874,000
6663767 Low sulfur, low emission blends of fischer-tropsch and conventional diesel fuels Paul J. Berlowitz, Daniel Francis Ryan, Jack W. Johnson, John Richard Bateman 2003-12-16 $185,219,000
6649803 Slurry hydrocarbon synthesis with isomerization zone in external lift reactor loop Charles J. Mart, Janet Renee Clark, Jennifer S. Feeley 2003-11-18 $120,208,000
6610636 Premium wear resistant lubricant Paul J. Berlowitz, Jacob J. Habeeb 2003-08-26 $215,322,000