Inventor · disambiguated record
Louis E. Roper
Also filed as: ROPER LOUIS E · SWANSON BILLY L
4 granted patents·43 citations·filing 1973–1978
76Inventor score
Files withPHILLIPS PETROLEUM CO4
Top patents by PatentIndex Score
4 records- 0167US4123366ADrilling mud containing sodium carboxymethylcellulose and sodium carboxymethyl starchPHILLIPS PETROLEUM CO·Filed 1977·Granted Oct 31, 1978·20 cites·2 claims
- 0265US3954628APreparation of sea water muds useful for earth drilling operationsPHILLIPS PETROLEUM CO·Filed 1973·Granted May 4, 1976·12 cites·6 claims
- 0338US4205724AWell treating compositionsPHILLIPS PETROLEUM CO·Filed 1978·Granted Jun 3, 1980·6 cites·13 claims
- 0430US4209409ADrilling fluid additivesPHILLIPS PETROLEUM CO·Filed 1978·Granted Jun 24, 1980·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →