Inventor · disambiguated record
Hugh Douglas
Also filed as: DOUGLAS HUGH · DOUGLAS HUGH W
7 granted patents·1 pending application·16 citations·filing 1988–2024
76Inventor score
Top patents by PatentIndex Score
8 records- 0178US10408020B2Direct current power source with reduced link capacitance for downhole applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 10, 2019·2 cites·20 claims
- 0271US10400588B2Reciprocating rotary valve actuator systemHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Sep 3, 2019·2 cites·20 claims
- 0359US2024423306A1Antimicrobial face maskNEXVERA LLC·Filed 2024·Application pending·0 cites
- 0458US10060257B2Down-hole communication across a mud motorHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Aug 28, 2018·1 cites·14 claims
- 0555US12291962B2Wireline parameter estimation in runtime with downhole tool deployed in the boreholeHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted May 6, 2025·0 cites·20 claims
- 0653US11527886B2Enhanced over voltage protection of a downhole systemHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Dec 13, 2022·0 cites·18 claims
- 0749US11081989B2Current-shaping circuit for use with magnetic couplers downholeHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Aug 3, 2021·0 cites·21 claims
- 0827US4850170AStructural members and construction methodsDOUGLAS HUGH W·Filed 1988·Granted Jul 25, 1989·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →