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

Robert C. Coffin — 14 Patents

3M: 6 patents #2,542 of 11,543Top 25%
Chevron: 5 patents #901 of 4,788Top 20%
University of California: 2 patents #4,561 of 18,278Top 25%
Bank of America: 1 patents #2,818 of 5,361Top 55%
Kingwood, TX: #93 of 726 inventorsTop 15%
Texas: #10,699 of 125,132 inventorsTop 9%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Robert C. Coffin has been granted 14 US patents while listed as an inventor at 3M. The first was granted in 2010 and the most recent in October 2023. Robert C. Coffin ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Robert C. Coffin in Kingwood, TX, US.

Patents per Year

Patents granted per year, 2010 to 2023Bar chart with a peak of 3 patents in 2020.peak 32010: 1 patents20102013: 1 patents20132015: 1 patents20152017: 1 patents20172019: 1 patents20192020: 3 patents20202021: 2 patents20212022: 3 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11786408 Push-in earplug and method of making the same using a mandrel Jacob H. Ely, James D. Brown 2023-10-17 $42,851,000
11520687 System and method for automated testing of an accessibility feature of a user device by emulating actions of users Srinivasa Chakravarthy Kotcherlakota 2022-12-06 $58,979,000
11407872 Foam compositions comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer, articles, and methods of making and using same Joshua M. Fishman, Caitlin E. Meree, Ning Zhou, Derek J. Dehn, Jacob D. Young +11 more 2022-08-09 $71,252,000
11304851 Push-to-fit earplug with tip cavity Matthew V. Stonebraker, Jr., Jacob H. Ely, Jeff L. Hamer, Kenneth F. Teeters, Ravi Thomas 2022-04-19 $33,817,000
11076995 Cold-drawn polyolefin copolymers cord for earplug James D. Brown, Feng Cai 2021-08-03 $56,682,000
10927052 Decene oligomers Steven M. Bischof, Lauren M. Kattchee, Kenneth M. Lassen, Jason L. Kreider 2021-02-23
D895901 Hearing protector Matthew V. Stonebraker, Jr., Jacob H. Ely, Ravi Thomas 2020-09-08
D889754 Hearing protector Matthew V. Stonebraker, Jr., Jacob H. Ely, Ravi Thomas 2020-07-07
10647626 Decene oligomers Steven M. Bischof, Lauren M. Kattchee, Kenneth M. Lassen, Jason L. Kreider 2020-05-12
10435491 Method for making polyalphaolefins using ionic liquid catalyzed oligomerization of olefins Steven M. Bischof, Kenneth D. Hope, Michael S. Driver, Hye Kyung Cho Timken 2019-10-08
9708549 Method for making polyalphaolefins using aluminum halide catalyzed oligomerization of olefins Jeffery C. Gee, Brooke L. Small, Kenneth D. Hope, Steven M. Bischof 2017-07-18
9120826 Olefin hydroboration Orson L. Sydora, Mark Stradiotto, Laura Turculet, Brooke L. Small, Steven M. Bischof 2015-09-01
8343382 Band gap control in conjugated oligomers and polymers via Lewis acids Guillermo C. Bazan, Gregory C. Welch, Jeff Peet 2013-01-01
7825200 Controlled free radical grafting from polyolefins Guillermo C. Bazan 2010-11-02