Inventor · disambiguated record
David E. Allan
Also filed as: ALLAN DAVID E
10 granted patents·215 citations·filing 1976–1987
91Inventor score
Files withEXXON RESEARCH ENGINEERING CO10
Top patents by PatentIndex Score
10 records- 0192US4151070AStaged slurry hydroconversion processEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Apr 24, 1979·58 cites·6 claims
- 0291US4075258AIsoparaffin olefin alkylation utilizing high intensity mixingEXXON RESEARCH ENGINEERING CO·Filed 1976·Granted Feb 21, 1978·36 cites·11 claims
- 0383US4519898ALow severity delayed cokingEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted May 28, 1985·29 cites·8 claims
- 0476US4492625ADelayed coking process with split fresh feedEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Jan 8, 1985·16 cites·8 claims
- 0565US4816136ALow severity fluid cokingEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Mar 28, 1989·23 cites·12 claims
- 0663US4534851AFeed injection method to prevent coking on the walls of transfer line reactorsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Aug 13, 1985·21 cites·6 claims
- 0762US4501654ADelayed coking process with split fresh feed and top feedingEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Feb 26, 1985·15 cites·10 claims
- 0858US4096199AProcess for regenerating fluorosulfuric acid catalystEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Jun 20, 1978·5 cites·22 claims
- 0939US4501820AMethod for the recovery of a tungsten-containing catalyst from coke containing nickel and vanadiumEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Feb 26, 1985·8 cites·8 claims
- 1038US4137149ASlurry hydrogen treating processesEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Jan 30, 1979·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →