Inventor · disambiguated record
Dan C. Preston, Jr.
Also filed as: PRESTON JR DAN C
3 granted patents·83 citations·filing 1980–1985
74Inventor score
Top patents by PatentIndex Score
3 records- 0176US4709758AHigh temperature packer for well conduitsBAKER OIL TOOLS INC·Filed 1985·Granted Dec 1, 1987·39 cites·4 claims
- 0252US4307781AConstantly energized no-load tension packerBAKER INT CORP·Filed 1980·Granted Dec 29, 1981·24 cites·17 claims
- 0350US4433726AEnergized packer anchor seal assemblyBAKER OIL TOOLS INC·Filed 1982·Granted Feb 28, 1984·20 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →