Inventor · disambiguated record
John L. Haack
Also filed as: HAACK JOHN L
12 granted patents·309 citations·filing 1984–1999
92Inventor score
Top patents by PatentIndex Score
12 records- 0197US6227768B1Particulate conveyor device and apparatusXEROX CORP·Filed 1999·Granted May 8, 2001·112 cites·19 claims
- 0296US4937157AToner and developer compositions with charge enhancing additivesXEROX CORP·Filed 1989·Granted Jun 26, 1990·62 cites·37 claims
- 0375US5114821AToner and developer compositions with charge enhancing additivesXEROX CORP·Filed 1990·Granted May 19, 1992·20 cites·36 claims
- 0466US4613445AOrganophosphate-containing antifreezeUNION CARBIDE CORP·Filed 1984·Granted Sep 23, 1986·22 cites·10 claims
- 0565US4687590AOil-in-alcohol microemulsion containing oil-soluble corrosion inhibitor in antifreezeFIRST BRANDS CORP·Filed 1985·Granted Aug 18, 1987·20 cites·28 claims
- 0664US4704220AOil-in-alcohol microemulsions in antifreezeFIRST BRANDS CORP·Filed 1986·Granted Nov 3, 1987·18 cites·19 claims
- 0760US5045423AToner and developer compositions with charge enhancing additivesXEROX CORP·Filed 1990·Granted Sep 3, 1991·12 cites·37 claims
- 0858US5461580AComputer-aided chemical illustration systemXEROX CORP·Filed 1994·Granted Oct 24, 1995·24 cites·12 claims
- 0954US5308363AProcess for quaternary ammonium bisulfatesXEROX CORP·Filed 1992·Granted May 3, 1994·5 cites·11 claims
- 1047US4898802AToner compositions with organo boron negative charge enhancing additivesXEROX CORP·Filed 1989·Granted Feb 6, 1990·6 cites·26 claims
- 1141US5288580AToner and processes thereofXEROX CORP·Filed 1991·Granted Feb 22, 1994·5 cites·9 claims
- 1237US4939061AToner compositions with negative charge enhancing additivesXEROX CORP·Filed 1989·Granted Jul 3, 1990·3 cites·27 claims
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