Individual holder
GUINN DAVID C
6 granted patents·163 citations·filing 1976–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0193US4067282AReleasable and retrievable mooring systemGUINN DAVID C·Filed 1976·Granted Jan 10, 1978·55 cites·8 claims
- 0288US4070981AMooring system for floating drilling vesselsGUINN DAVID C·Filed 1976·Granted Jan 31, 1978·33 cites·33 claims
- 0367US4230190ABlow out preventer handling systemGUINN DAVID C·Filed 1978·Granted Oct 28, 1980·30 cites·14 claims
- 0466US4081163ABlow out preventer handling systemGUINN DAVID C·Filed 1976·Granted Mar 28, 1978·28 cites·3 claims
- 0543US4081084ACasing handling systemGUINN DAVID C·Filed 1976·Granted Mar 28, 1978·12 cites·7 claims
- 0632US4071145APivotal and releasable rat hole assemblyGUINN DAVID C·Filed 1976·Granted Jan 31, 1978·5 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →