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USPTO Patent Rankings Data through Dec 31, 2025
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Edwin R. Ernst — 8 Patents

ExxonMobil: 8 patents #1,392 of 10,161Top 15%
Kendall Park, NJ: #36 of 228 inventorsTop 20%
New Jersey: #11,099 of 69,400 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Edwin R. Ernst has been granted 8 US patents while listed as an inventor at ExxonMobil. The first was granted in 1980 and the most recent in February 1996. Edwin R. Ernst ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Edwin R. Ernst in Kendall Park, NJ, US.

Patents per Year

Patents granted per year, 1980 to 1996Bar chart with a peak of 3 patents in 1994.peak 31980: 1 patents19801982: 1 patents19821985: 1 patents19851994: 3 patents19941996: 2 patents1996

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5492618 Recovery of hard acids and soft bases from decomposed coal George M. Kramer, Andres M. Fraga 1996-02-20 $95,268,000
5489376 Recovery of hard acids and soft bases from decomposed coal George M. Kramer, Andres M. Fraga 1996-02-06 $127,684,000
5298157 Coal depolymerization utilizing hard acid/soft base George M. Kramer, Chang S. Hsu 1994-03-29 $69,187,000
5296133 Low ash coal products from depolymerized coal George M. Kramer, Daniel P. Leta, William A. Lamberti, Mark Michael Disko, Sutinder K. Behal 1994-03-22 $142,744,000
5294349 Coal depolymerization and hydroprocessing George M. Kramer, Chang S. Hsu, Gopal H. Singhal, Peter S. Maa 1994-03-15 $39,080,000
4560825 Adamantane derivative/surfactant catalyzed paraffin-olefin alkylation George M. Kramer 1985-12-24 $14,639,000
4344863 Process for defoaming acid gas scrubbing solutions and defoaming solutions Max L. Robbins 1982-08-17 $13,242,000
4208385 Process for defoaming acid gas scrubbing solutions and defoaming solutions Max L. Robbins 1980-06-17 $12,478,000