Assignee
WATSON INC
4 granted patents·79 citations·filing 1975–2004
Top patents by PatentIndex Score
4 records- 0184US3999620ACore barrelWATSON INC·Filed 1976·Granted Dec 28, 1976·40 cites·17 claims
- 0272US7093679B1Foundation drilling apparatus and method with continuously variable hydraulic differential rotary tableWATSON INC·Filed 2004·Granted Aug 22, 2006·18 cites·10 claims
- 0366US3999619ACore barrelWATSON INC·Filed 1975·Granted Dec 28, 1976·18 cites·17 claims
- 0430US4023629AToggle actuated underreamerWATSON INC·Filed 1976·Granted May 17, 1977·3 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →