Inventor · disambiguated record
William N. Helm
Also filed as: HELM WILLIAM N
3 granted patents·147 citations·filing 1983–1986
76Inventor score
Top patents by PatentIndex Score
3 records- 0190US4542785AAgricultural harvester heat exchangerMASSEY FERGUSON IND LTD·Filed 1983·Granted Sep 24, 1985·74 cites·7 claims
- 0263US4665929AAxial flow combine harvester feed plateHELM WILLIAM N·Filed 1986·Granted May 19, 1987·39 cites·3 claims
- 0361US4657029AStone trap for a combine harvesterMASSEY COMBINES CORP·Filed 1986·Granted Apr 14, 1987·34 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →