Inventor · disambiguated record
William F. Hahn
Also filed as: HAHN WILLIAM F
7 granted patents·128 citations·filing 1973–1985
87Inventor score
Top patents by PatentIndex Score
7 records- 0181US4162767AImpacting crusher with variable flow feed distributorPENNSYLVANIA CRUSHER·Filed 1977·Granted Jul 31, 1979·33 cites·27 claims
- 0266US3931937ABreaker/crusherPENNSYLVANIA CRUSHER CORP·Filed 1973·Granted Jan 13, 1976·20 cites·19 claims
- 0358US4544102ADifferential rate screeningPENN VIRGINIA CORP·Filed 1982·Granted Oct 1, 1985·18 cites·79 claims
- 0458US4009834AMethod of operating breaker/crusherPENNSYLVANIA CRUSHER CORP·Filed 1975·Granted Mar 1, 1977·14 cites·8 claims
- 0552US4627576ADifferential rate screeningHAHN WILLIAM F·Filed 1985·Granted Dec 9, 1986·20 cites·12 claims
- 0648US4085897ACrusher-dryer and method of crushingPENNSYLVANIA CRUSHER CORP·Filed 1977·Granted Apr 25, 1978·12 cites·11 claims
- 0745US4544101ADifferential rate screeningPENN VIRGINIA CORP·Filed 1982·Granted Oct 1, 1985·11 cites·94 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →