Inventor · disambiguated record
John J. Dugan
Also filed as: DUGAN JOHN · DUGAN JOHN J
7 granted patents·1 pending application·186 citations·filing 1976–2020
86Inventor score
Files withEXXON RESEARCH ENGINEERING CO2IMP OIL ENTERPRISES LTD2CAPSUGEL BELGIUM NV1DUGAN AIR TECHNOLOGIES INC1
Top patents by PatentIndex Score
8 records- 0188US6161797AMethod and apparatus for reducing airplane noiseDUGAN AIR TECHNOLOGIES INC·Filed 1996·Granted Dec 19, 2000·101 cites·24 claims
- 0274US4147612ARegeneration of alkali metal sulfides from alkali metal hydrosulfidesIMP OIL ENTERPRISES LTD·Filed 1978·Granted Apr 3, 1979·22 cites·11 claims
- 0371US4147611ARegeneration of alkali metal sulfides from alkali metal hydrosulfidesIMP OIL ENTERPRISES LTD·Filed 1978·Granted Apr 3, 1979·21 cites·19 claims
- 0463US4054512ADeasphalting with liquid hydrogen sulfideEXXON RESEARCH ENGINEERING CO·Filed 1976·Granted Oct 18, 1977·15 cites·10 claims
- 0550US5632867ARecovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recoveryEXXON RESEARCH ENGINEERING CO·Filed 1993·Granted May 27, 1997·17 cites·5 claims
- 0649US6427801B1Apparatus for reducing noise in the jet engineFiled 2000·Granted Aug 6, 2002·10 cites·4 claims
- 0747US11925954B2Flash nozzle assemblyCAPSUGEL BELGIUM NV·Filed 2020·Granted Mar 12, 2024·0 cites·21 claims
- 0833US2002092948A1Apparatus and method for reducing jet engine noiseFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →