Inventor · disambiguated record
Matthew Arran Willoughby
Also filed as: WILLOUGHBY MATTHEW A · WILLOUGHBY MATTHEW ARRAN
6 granted patents·1 pending application·7 citations·filing 2019–2024
73Inventor score
Files withHALLIBURTON ENERGY SERVICES INC7
Top patents by PatentIndex Score
7 records- 0193US12000274B2Wireless telemetry using a pressure switch and mechanical thresholding of the signalHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jun 4, 2024·3 cites·11 claims
- 0291US11795777B2Segmented retainer for high pressure barriersHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Oct 24, 2023·3 cites·16 claims
- 0378US12473825B2Wireless telemetry using a pressure switch and mechanical thresholding of the signalHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Nov 18, 2025·0 cites·8 claims
- 0478US12435627B2Wireless telemetry using a pressure switch and mechanical thresholding of the signalHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Oct 7, 2025·0 cites·10 claims
- 0570US12352128B2Segmented retainer for high pressure barriersHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Jul 8, 2025·0 cites·9 claims
- 0670US11634964B2Swellable rubber element that also creates a cup packerHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Apr 25, 2023·1 cites·18 claims
- 0742US2021372527A1Increased robustness of control lines and tools with expanding compression deviceHALLIBURTON ENERGY SERVICES INC·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →