Assignee
DUGGAN ANDREW
US·4 granted patents·3 citations·filing 2018–2022
Top patents by PatentIndex Score
4 records- 0174US11326411B2Thermal activation of liner hanger for elastomer-less completionDUGGAN ANDREW·Filed 2019·Granted May 10, 2022·2 cites·12 claims
- 0272US11142999B2Downhole power generation using pressure differentialDUGGAN ANDREW·Filed 2019·Granted Oct 12, 2021·1 cites·20 claims
- 0356US11891875B2Expandable annular seal tool and systemDUGGAN ANDREW·Filed 2022·Granted Feb 6, 2024·0 cites·16 claims
- 0442US11280162B2Power generation using pressure differential between a tubular and a borehole annulusDUGGAN ANDREW·Filed 2018·Granted Mar 22, 2022·0 cites·20 claims
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