Inventor · disambiguated record

John Hefele

Also filed as: HEFELE JOHN

2 granted patents·30 citations·filing 1991–1997

61Inventor score

Technology areasD21C

Files withAHLSTROM MACHINERY INC1 KAMYR INC1

Top patents by PatentIndex Score

2 records

0171US6123808ADistribution of dilution liquor to the discharge of a cellulose pulp digesterAHLSTROM MACHINERY INC·Filed 1997·Granted Sep 26, 2000·22 cites·21 claims
0240US5187956APreventing clogging in pressure diffusersKAMYR INC·Filed 1991·Granted Feb 23, 1993·8 cites·19 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →