Inventor · disambiguated record
Philip W. Holbrook
Also filed as: HOLBROOK PHILIP · HOLBROOK PHILIP W
4 granted patents·261 citations·filing 1986–1998
81Inventor score
Top patents by PatentIndex Score
4 records- 0189US5305836ASystem and method for controlling drill bit usage and well planBAROID TECHNOLOGY INC·Filed 1992·Granted Apr 26, 1994·179 cites·56 claims
- 0263US5965810AMethod for determining sedimentary rock pore pressure caused by effective stress unloadingBAROID TECHNOLOGY INC·Filed 1998·Granted Oct 12, 1999·41 cites·13 claims
- 0353US5859367AMethod for determining sedimentary rock pore pressure caused by effective stress unloadingBAROID TECHNOLOGY INC·Filed 1997·Granted Jan 12, 1999·30 cites·9 claims
- 0437US4710906AMethod and system for monitoring the stability of boreholesNL INDUSTRIES INC·Filed 1986·Granted Dec 1, 1987·11 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →