Inventor · disambiguated record
John Winfred Hatfield
Also filed as: HATFIELD JOHN W · HATFIELD JOHN WINFRED
1 granted patent·2 pending applications·48 citations·filing 1987–2019
48Inventor score
Top patents by PatentIndex Score
3 records- 0185US4834257AReinforced wall structure for a transformer tankWESTINGHOUSE ELECTRIC CORP·Filed 1987·Granted May 30, 1989·48 cites·5 claims
- 0240US2021331292A1Sanding deviceHATFIELD JOHN WINFRED·Filed 2019·Application pending·0 cites
- 0336US2016262464A1Kneeling pad deviceHATFIELD JOHN WINFRED·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →