Individual holder
WILLIAMSON WILLIAM R
3 granted patents·158 citations·filing 1977–1987
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0194US4148693AHorizontal cylindrical distillation apparatusWILLIAMSON WILLIAM R·Filed 1977·Granted Apr 10, 1979·92 cites·7 claims
- 0286US4548257ABayonet tube heat exchangerWILLIAMSON WILLIAM R·Filed 1984·Granted Oct 22, 1985·44 cites·31 claims
- 0366US4941330AMulti-stage flash evaporatorWILLIAMSON WILLIAM R·Filed 1987·Granted Jul 17, 1990·22 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →