Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Laughlin — 1 Patent

PEPetrolite: 1 patents #81 of 143Top 60%
Gladewater, TX: #14 of 36 inventorsTop 40%
Texas: #74,151 of 125,132 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles E. Laughlin has been granted 1 US patent while listed as an inventor at Petrolite. All of these patents were granted in 1984. Charles E. Laughlin ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles E. Laughlin in Gladewater, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4426329 One step modification and oxidation of waxes John H. Woods, Toby R. Graves 1984-01-17 $1,134,000