Inventor · disambiguated record
Cyril R. Sumner
Also filed as: SUMNER CYRIL R
8 granted patents·458 citations·filing 1983–1990
90Inventor score
Top patents by PatentIndex Score
8 records- 0196US4762067ADownhole perforating method and apparatus using secondary explosive detonatorsHALLIBURTON CO·Filed 1987·Granted Aug 9, 1988·157 cites·23 claims
- 0289US5105742AFluid sensitive, polarity sensitive safety detonatorSUMNER CYRIL R·Filed 1990·Granted Apr 21, 1992·142 cites·28 claims
- 0378US4512418AMechanically initiated tubing conveyed perforator systemHALLIBURTON CO·Filed 1983·Granted Apr 23, 1985·57 cites·8 claims
- 0458US4776138ABuried vault for underground optical fiber systemsSUMNER CYRIL R·Filed 1987·Granted Oct 11, 1988·25 cites·7 claims
- 0558US4478294APositive fire indicator systemHALLIBURTON CO·Filed 1983·Granted Oct 23, 1984·15 cites·21 claims
- 0657US4716832AHigh temperature high pressure detonatorHALLIBURTON CO·Filed 1986·Granted Jan 5, 1988·27 cites·8 claims
- 0747US4690218AMethod for depth control and detonation of tubing conveyed gun assemblyHALLIBURTON CO·Filed 1986·Granted Sep 1, 1987·19 cites·14 claims
- 0844US4778009AShock actuated switch for perforating gun assemblyHALLIBURTON CO·Filed 1987·Granted Oct 18, 1988·16 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →