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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Pratt — 9 Patents

CHChattem: 5 patents #1 of 37Top 3%
RHRhodia: 1 patents #99 of 236Top 45%
Signal Mountain, TN: #13 of 103 inventorsTop 15%
Tennessee: #2,083 of 20,272 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Charles E. Pratt has been granted 9 US patents while listed as an inventor at Chattem. The first was granted in 1981 and the most recent in October 2005. Charles E. Pratt ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Charles E. Pratt in Signal Mountain, TN, US.

Patents per Year

Patents granted per year, 1981 to 2005Bar chart with a peak of 3 patents in 1981.peak 31981: 3 patents19811982: 2 patents19821985: 2 patents19852002: 1 patents20022005: 1 patents2005

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6953863 Alcohol and glycol modified aluminum tri-alkoxide complexes Gregory Edward Kowalczyk 2005-10-11
6465556 Latex made with crosslinkable surface active agent Paul Jakob, Jon D. Kiplinger 2002-10-15 $25,000
4557842 Aluminum soap greases 1985-12-10
4525307 Modified aluminum tri-alkoxide compounds 1985-06-25
4324670 Process for making a mixed oxyaluminum acylate composition useful in grease manufacture 1982-04-13 $175,000
4312769 Continuous process for grease preparation 1982-01-26 $175,000
4303538 Grease compositions and oxyaluminum acylate intermediate compositions useful in the preparation thereof Charles S. Colburn, Jr. 1981-12-01 $210,000
4280917 Grease compositions and oxyaluminum acylate intermediate compositions useful in the preparation thereof 1981-07-28 $200,000
4265975 Polyester resin composition containing oxy aluminum acylates 1981-05-05 $256,000