Inventor · disambiguated record
Francis L. Davison
Also filed as: DAVISON FRANCIS L
2 granted patents·76 citations·filing 1984–1986
67Inventor score
Technology areasE21B
Files withNL INDUSTRIES INC2
Top patents by PatentIndex Score
2 records- 0165US4736204AMethod and apparatus for communicating with downhole measurement-while-drilling equipment when said equipment is on the surfaceNL INDUSTRIES INC·Filed 1986·Granted Apr 5, 1988·44 cites·8 claims
- 0262US4686658ASelf-adjusting valve actuatorNL INDUSTRIES INC·Filed 1984·Granted Aug 11, 1987·32 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →