Inventor · disambiguated record
Duane N. Winterfeldt
Also filed as: WINTERFELDT DUANE N · WINTERFELDT DUANE NORMAN
3 granted patents·203 citations·filing 1989–1995
77Inventor score
Top patents by PatentIndex Score
3 records- 0186US4954688APlasma arc cutting torch having extended lower nozzle memberESAB WELDING PRODUCTS INC·Filed 1989·Granted Sep 4, 1990·74 cites·11 claims
- 0284US5747767AExtended water-injection nozzle assembly with improved centeringESAB GROUP INC·Filed 1995·Granted May 5, 1998·108 cites·22 claims
- 0360US5550344AMounting apparatus for a cutting torch having soft touch height controlESAB GROUP INC·Filed 1994·Granted Aug 27, 1996·21 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →