Individual holder
AHLRICH WILLARD K
4 granted patents·110 citations·filing 1975–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0184US4231769AFiltered ventilating systemAHLRICH WILLARD K·Filed 1978·Granted Nov 4, 1980·50 cites·16 claims
- 0275US4093432AElectrostatic precipitatorAHLRICH WILLARD K·Filed 1976·Granted Jun 6, 1978·29 cites·17 claims
- 0363US3983796AExhaust fume treatment apparatusAHLRICH WILLARD K·Filed 1975·Granted Oct 5, 1976·21 cites·19 claims
- 0445US4018578AElectrostatic precipitatorAHLRICH WILLARD K·Filed 1975·Granted Apr 19, 1977·10 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →