Inventor · disambiguated record
Craig Usher
Also filed as: USHER CRAIG
3 granted patents·1 citations·filing 2017–2018
47Inventor score
Top patents by PatentIndex Score
3 records- 0166US11339627B2Method of establishing a cement plug in an annular region between a first and a second casingWELL SET P&A AS·Filed 2018·Granted May 24, 2022·1 cites·17 claims
- 0238US10995607B2System and method for testing a barrier in a well from belowWELL SET P&A AS·Filed 2017·Granted May 4, 2021·0 cites·20 claims
- 0333US10808477B2Downhole annular flow diverterCENTRAFLOW AS·Filed 2017·Granted Oct 20, 2020·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →