Inventor · disambiguated record
John J. Hennen
Also filed as: HENNEN JOHN J
3 granted patents·50 citations·filing 1978–1988
71Inventor score
Files withDEERE & CO3
Top patents by PatentIndex Score
3 records- 0171US4696432AForage harvester blowerDEERE & CO·Filed 1986·Granted Sep 29, 1987·35 cites·5 claims
- 0250US4186889AForage harvester recutter screenDEERE & CO·Filed 1978·Granted Feb 5, 1980·9 cites·7 claims
- 0337US4838011AFluid actuated clutch having fluid slip fitting safety interlockDEERE & CO·Filed 1988·Granted Jun 13, 1989·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →