Individual holder
GRANGER STANLEY W
US·4 granted patents·177 citations·filing 1988–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0180US5056418ASelf-adjusting automatic locking piston for RAM blowout preventersGRANGER STANLEY W·Filed 1990·Granted Oct 15, 1991·86 cites·13 claims
- 0265US5116017AAnnular sealing element with self-pivoting inserts for blowout preventersGRANGER STANLEY W·Filed 1990·Granted May 26, 1992·43 cites·10 claims
- 0358US4930745AVariable bore ram rubberGRANGER STANLEY W·Filed 1988·Granted Jun 5, 1990·30 cites·9 claims
- 0442US5044603AVariable bore ram rubber with non-overlapping insertsGRANGER STANLEY W·Filed 1990·Granted Sep 3, 1991·18 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →