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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Corey A. Campbell — 6 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
CLClek: 1 patents #8 of 14Top 60%
Wadsworth, OH: #72 of 336 inventorsTop 25%
Ohio: #13,600 of 73,341 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Corey A. Campbell has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 2012 and the most recent in August 2025. Corey A. Campbell ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Corey A. Campbell in Wadsworth, OH, US.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 2 patents in 2013.peak 22012: 1 patents20122013: 2 patents20132020: 1 patents20202021: 1 patents20212025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12383078 Play yard with removable padded floor Joey Srour, Robert Omansky, Cory Everman, David L. Campbell 2025-08-12
11040694 Portable restraining passenger safety harness Ellen K. Siegel, David E. Campbell 2021-06-22
10640078 Portable restraining passenger safety harness Ellen K. Siegel, David E. Campbell 2020-05-05
8613480 Child restraint system David E. Campbell, Troy Daniel Mason, Matthew S. Graham 2013-12-24
8424964 Child safety seat David E. Campbell, Troy Daniel Mason, Matthew S. Graham 2013-04-23
8226162 Child safety seat David E. Campbell, Troy Daniel Mason, Matthew S. Graham 2012-07-24