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 1996 Bar chart with a peak of 3 patents in 1994. peak 3 1980: 1 patents 1980 1982: 1 patents 1982 1985: 1 patents 1985 1994: 3 patents 1994 1996: 2 patents 1996
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx 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