Inventor · disambiguated record

Phil Holbrook

Also filed as: HOLBROOK PHIL

2 granted patents·208 citations·filing 1986–1992

71Inventor score

Technology areasE21B

Files withBAROID TECHNOLOGY INC2

Top patents by PatentIndex Score

2 records

0183US5282384AMethod for calculating sedimentary rock pore pressureBAROID TECHNOLOGY INC·Filed 1992·Granted Feb 1, 1994·120 cites·23 claims
0282US4981037AMethod for determining pore pressure and horizontal effective stress from overburden and effective vertical stressesBAROID TECHNOLOGY INC·Filed 1986·Granted Jan 1, 1991·88 cites·4 claims

Join the waitlist — get patent alerts

Get an alert when Phil Holbrook files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →