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Thomas L. Ashcraft — 12 Patents

ExxonMobil: 12 patents #956 of 10,161Top 10%
Baytown, TX: #17 of 279 inventorsTop 7%
Texas: #12,706 of 125,132 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Thomas L. Ashcraft has been granted 12 US patents while listed as an inventor at ExxonMobil. The first was granted in 1981 and the most recent in January 2001. Thomas L. Ashcraft ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Thomas L. Ashcraft in Baytown, TX, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6177387 Reduced odor and high stability aircraft turbine oil base stock Richard H. Schlosberg, Carolyn B. Duncan, David W. Turner, William Joseph Munley, Jr. 2001-01-23 $942,379,000
5798321 Rust resistant turbo oils containing monobasic amino phosphates and dicarboxylic acids Max J. Wisotsky, Morton Beltzer, Paul J. Berlowitz 1998-08-25 $148,850,000
5639717 Additive combination to reduce deposit forming tendencies and improve antioxidancy of aviation turbine oils (LAW328) Paul J. Berlowitz, Morton Beltzer 1997-06-17 $104,513,000
5503761 Technical pentaerythritol esters as lubricant base stock Paul J. Berlowitz, Max J. Wisotsky, Dale Carr, Thomas Schaefer 1996-04-02 $40,908,000
5308522 Stress activated high load additives for lubricant compositions Manuel A. Francisco, Alan R. Katritzky 1994-05-03 $51,610,000
5215548 Distillate fuels containing an amine salt of a sulfonic acid and a low volatility carrier fluid (PNE-554) Alan M. Schilowitz, Larry D. Talley, Paul J. Berlowitz 1993-06-01 $74,142,000
4973764 Alkylphenols and derivatives thereof via phenol alkylation by cracked petroleum distillates Alexis A. Oswald, Ram N. Bhatia, Edmund J. Mozeleski, Darrell W. Brownawell 1990-11-27 $45,234,000
4959490 Process for manufacturing disulfonate surfactants Margaret B. Parnell, Kenneth M. Webber 1990-09-25 $68,655,000
4914246 Alkylphenols and derivatives thereof via phenol alkylation by cracked petroleum distillates Alexis A. Oswald, Ram N. Bhatia, Edmund J. Mozeleski, Darrell W. Brownawell 1990-04-03 $35,070,000
4828032 Oil recovery process using alkyl hydroxyaromatic dianionic surfactants as mobility control agents Gary F. Teletzke, Ronald L. Reed 1989-05-09 $22,154,000
4452708 Oil recovery method using sulfonate surfactants derived from extracted aromatic feedstocks Haven S. Aldrich, Maura C. Puerto, Ronald L. Reed 1984-06-05 $43,070,000
4293428 Propoxylated ethoxylated surfactants and method of recovering oil therewith Walter W. Gale, Maura C. Puerto, Rhoderick K. Saunders, Ronald L. Reed 1981-10-06 $24,127,000