Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Frederick Harmon — 3 Patents

SRSafe Rack: 3 patents #8 of 17Top 50%
Sumter, SC: #15 of 69 inventorsTop 25%
South Carolina: #4,490 of 15,501 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Charles Frederick Harmon has been granted 3 US patents while listed as an inventor at Safe Rack. The first was granted in 2013 and the most recent in November 2020. Charles Frederick Harmon ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Charles Frederick Harmon in Sumter, SC, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10822818 Cage assembly for use with pivotal gangway 2020-11-03
10087641 Cage assembly for use with pivotal gangway 2018-10-02
8561239 Articulating cage Robert Honeycutt, James Pierce Daniel, III 2013-10-22