Inventor · disambiguated record
Clifford D. Dransfield
Also filed as: DRANSFIELD CLIFFORD D
4 granted patents·17 citations·filing 1972–1976
71Inventor score
Files withATLANTIC RICHFIELD CO4
Top patents by PatentIndex Score
4 records- 0139US3958661AMethod and apparatus for generating seismic wavesATLANTIC RICHFIELD CO·Filed 1972·Granted May 25, 1976·8 cites·22 claims
- 0230US4102429AApparatus for generating seismic wavesATLANTIC RICHFIELD CO·Filed 1976·Granted Jul 25, 1978·5 cites·8 claims
- 0329US3951229AMethod and apparatus for imparting a seismic pulse to the earthATLANTIC RICHFIELD CO·Filed 1973·Granted Apr 20, 1976·2 cites·22 claims
- 0425US4004651AMeans for flexibly guiding the travel of an upwardly propelled weightATLANTIC RICHFIELD CO·Filed 1975·Granted Jan 25, 1977·2 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →