Inventor · disambiguated record

John F. Drennen

Also filed as: DRENNEN JOHN F

1 granted patent·23 citations·filing 1999–1999

40Inventor score

Technology areasF23L

Files withABB ALSTOM POWER INC1

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1 record

0160US6148744ACoal firing furnace and method of operating a coal-fired furnaceABB ALSTOM POWER INC·Filed 1999·Granted Nov 21, 2000·23 cites·8 claims

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