Inventor · disambiguated record
John E. Fontenot
Also filed as: FONTENOT JOHN E · FONTENOT JR JOHN E
8 granted patents·309 citations·filing 1984–1988
90Inventor score
Top patents by PatentIndex Score
8 records- 0185US4697650AMethod for estimating formation characteristics of the exposed bottomhole formationNL INDUSTRIES INC·Filed 1984·Granted Oct 6, 1987·74 cites·17 claims
- 0278US4733733AMethod of controlling the direction of a drill bit in a boreholeNL INDUSTRIES INC·Filed 1986·Granted Mar 29, 1988·56 cites·10 claims
- 0375US4599904AMethod for determining borehole stress from MWD parameter and caliper measurementsNL INDUSTRIES INC·Filed 1984·Granted Jul 15, 1986·46 cites·17 claims
- 0475US4570480AMethod and apparatus for determining formation pressureNL INDUSTRIES INC·Filed 1984·Granted Feb 18, 1986·42 cites·15 claims
- 0563US4747303AMethod determining formation dipNL INDUSTRIES INC·Filed 1986·Granted May 31, 1988·33 cites·31 claims
- 0654US4810459AMethod and apparatus for determining true formation porosity from measurement-while-drilling neutron porosity measurement devicesNL INDUSTRIES INC·Filed 1988·Granted Mar 7, 1989·19 cites·2 claims
- 0752US4964085ANon-contact borehole caliber measurementBAROID TECHNOLOGY INC·Filed 1986·Granted Oct 16, 1990·23 cites·11 claims
- 0849US4566318AMethod for optimizing the tripping velocity of a drill stringNL INDUSTRIES INC·Filed 1984·Granted Jan 28, 1986·16 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →