Inventor · disambiguated record
Phillip W. Welch
Also filed as: WELCH PHILLIP W
3 granted patents·76 citations·filing 1981–1983
74Inventor score
Technology areasB02C
Files withGRACE W R & CO3
Top patents by PatentIndex Score
3 records- 0186US4635858AMethods of operating ball grinding millsGRACE W R & CO·Filed 1981·Granted Jan 13, 1987·36 cites·14 claims
- 0282US4404640AGrinding mill monitoring instrumentationGRACE W R & CO·Filed 1981·Granted Sep 13, 1983·28 cites·18 claims
- 0354US4586146AGrinding mill control systemGRACE W R & CO·Filed 1983·Granted Apr 29, 1986·12 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →