Individual holder
WILLIAMS CHARLES L
US·2 granted patents·1 pending application·44 citations·filing 1980–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0155US5080047ACyclic demand steam supply systemWILLIAMS CHARLES L·Filed 1990·Granted Jan 14, 1992·22 cites·10 claims
- 0249US4419050AMethod and apparatus for controlling propeller pitchWILLIAMS CHARLES L·Filed 1980·Granted Dec 6, 1983·22 cites·4 claims
- 0336US2013019769A1Screen printing ink pump with filterWILLIAMS CHARLES L·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →