Inventor · disambiguated record
Gerald Dufrenne
Also filed as: DUFRENNE GERALD
7 granted patents·135 citations·filing 1978–1992
86Inventor score
Top patents by PatentIndex Score
7 records- 0178US5225647AMotorized weld headUNITEK EQUIPMENT INC·Filed 1991·Granted Jul 6, 1993·41 cites·22 claims
- 0275US5386092AFast response weld headUNITEK EQUIPMENT INC·Filed 1992·Granted Jan 31, 1995·36 cites·23 claims
- 0360US4228340AVoltage regulated capacitive discharge welding power supplyUNITEK CORP·Filed 1978·Granted Oct 14, 1980·13 cites·14 claims
- 0456US5081338AApparatus and method for monitoring weld qualityUNITEK EQUIPMENT INC·Filed 1991·Granted Jan 14, 1992·18 cites·17 claims
- 0554US4871899ATitiable electric thermode for multiple connection reflow solderingUNITEK CORP·Filed 1988·Granted Oct 3, 1989·14 cites·8 claims
- 0643US4639569AWeld resistance measuring apparatus for a spot welderUNITEK CORP·Filed 1985·Granted Jan 27, 1987·9 cites·22 claims
- 0735US4564735ADirect current pulse welderUNITEK CORP·Filed 1984·Granted Jan 14, 1986·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →