Inventor · disambiguated record

Mike H. Johnson

Also filed as: JOHNSON MIKE H

3 granted patents·103 citations·filing 1997–2000

77Inventor score

Technology areasE21B

Files withBAKER HUGHES INC3

Top patents by PatentIndex Score

3 records

0170US6148933ASteering device for bottomhole drilling assembliesBAKER HUGHES INC·Filed 1999·Granted Nov 21, 2000·44 cites·20 claims
0266US5957221ADownhole core sampling and testing apparatusBAKER HUGHES INC·Filed 1997·Granted Sep 28, 1999·40 cites·37 claims
0361US6401840B1Method of extracting and testing a core from a subterranean formationBAKER HUGHES INC·Filed 2000·Granted Jun 11, 2002·19 cites·20 claims

Join the waitlist — get patent alerts

Get an alert when Mike H. Johnson 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 →