HD

Hugh Douglas

HS Halliburton Energy Services: 6 patents #1,023 of 4,711Top 25%
📍 Houston, TX: #3,306 of 21,073 inventorsTop 20%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #681,195 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12291962 Wireline parameter estimation in runtime with downhole tool deployed in the borehole Colin Eu Leem Koo 2025-05-06
11527886 Enhanced over voltage protection of a downhole system Joshua Ardianto, Sudhir Gupta 2022-12-13
11081989 Current-shaping circuit for use with magnetic couplers downhole 2021-08-03
10408020 Direct current power source with reduced link capacitance for downhole applications Satish Rajagopalan 2019-09-10
10400588 Reciprocating rotary valve actuator system 2019-09-03
10060257 Down-hole communication across a mud motor 2018-08-28
4850170 Structural members and construction methods Alan F. Spedding 1989-07-25