Inventor · disambiguated record
Charles P. Darnell
Also filed as: DARNELL CHARLES P
8 granted patents·423 citations·filing 1989–1995
90Inventor score
Files withEXXON RESEARCH ENGINEERING CO8
Top patents by PatentIndex Score
8 records- 0197US5635055AMembrane process for increasing conversion of catalytic cracking or thermal cracking units (law011)EXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Jun 3, 1997·141 cites·6 claims
- 0292US5169530AHollow fiber module using fluid flow control bafflesEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Dec 8, 1992·92 cites·3 claims
- 0382US4962270AMulti-stage pervaporation process run at progressively higher vacuum, higher temperature or both at each successive retentate stageEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Oct 9, 1990·46 cites·5 claims
- 0481US5643442AMembrane process for enhanced distillate or hydrotreated distillate aromatics reductionEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Jul 1, 1997·67 cites·7 claims
- 0578US5238563AMulti-element housingEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Aug 24, 1993·50 cites·8 claims
- 0648US5230801ARecovery of alcohols from n-paraffins by pervaporationEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Jul 27, 1993·13 cites·6 claims
- 0741US5234591ACounter-current flow hollow fiber permeatorEXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Aug 10, 1993·10 cites·10 claims
- 0830US5416259AFeed pretreatment for pervaporation processEXXON RESEARCH ENGINEERING CO·Filed 1993·Granted May 16, 1995·4 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Charles P. Darnell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →