Inventor
JARVIS LESLIE DAVID
GB34 patents
⚠️ This page may combine multiple inventors who share the name “JARVIS LESLIE DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METROL TECH LTD
32 patentsUS9359859B2Jun 7, 2016
Casing valve
METROL TECH LTD8 citations83
US11286746B2Mar 29, 2022
Well in a geological structure
METROL TECH LTD2 citations72
US11111777B2Sep 7, 2021
Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements
METROL TECH LTD3 citations72
US11092000B2Aug 17, 2021
Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator
METROL TECH LTD5 citations72
US10947837B2Mar 16, 2021
Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules connected by a matrix
METROL TECH LTD4 citations72
US10844680B2Nov 24, 2020
Apparatus and method to expel fluid
METROL TECH LTD2 citations72
US11852009B2Dec 26, 2023
Downhole monitoring method
METROL TECH LTD1 citations62
US11795786B2Oct 24, 2023
Downhole energy harvesting
METROL TECH LTD0 citations62
US11732553B2Aug 22, 2023
Downhole power delivery
METROL TECH LTD0 citations62
US11655706B2May 23, 2023
Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements
METROL TECH LTD1 citations62
US11643925B2May 9, 2023
Method of monitoring a reservoir
METROL TECH LTD1 citations62
US11542783B2Jan 3, 2023
Method to manipulate a well using an underbalanced pressure container
METROL TECH LTD1 citations62
US11454093B2Sep 27, 2022
Downhole energy harvesting
METROL TECH LTD0 citations62
US11286769B2Mar 29, 2022
Apparatuses and methods for sensing temperature along a wellbore using resistive elements
METROL TECH LTD1 citations62
US11236586B2Feb 1, 2022
Downhole energy harvesting
METROL TECH LTD0 citations62
US11156043B2Oct 26, 2021
Method of controlling a well
METROL TECH LTD1 citations62
US11085271B2Aug 10, 2021
Downhole power delivery
METROL TECH LTD0 citations62
US11085272B2Aug 10, 2021
Powering downhole devices
METROL TECH LTD0 citations62
US11072999B2Jul 27, 2021
Downhole energy harvesting
METROL TECH LTD1 citations62
US10030466B2Jul 24, 2018
Well
METROL TECH LTD1 citations62
US9714552B2Jul 25, 2017
Well comprising a safety mechanism and sensors
METROL TECH LTD1 citations62
US11851983B2Dec 26, 2023
Rupture apparatus
METROL TECH LTD0 citations61
US11156062B2Oct 26, 2021
Monitoring well installations
METROL TECH LTD0 citations56
US12454886B2Oct 28, 2025
Well installation electrical transmission systems
METROL TECH LTD0 citations52
US12044100B2Jul 23, 2024
Well installations and subsurface safety valves
METROL TECH LTD0 citations52
US11199075B2Dec 14, 2021
Downhole energy harvesting
METROL TECH LTD0 citations52
US12060766B2Aug 13, 2024
Well with pressure activated acoustic or electromagnetic transmitter
METROL TECH LTD0 citations51
US11542768B2Jan 3, 2023
Method to manipulate a well using an overbalanced pressure container
METROL TECH LTD0 citations51
US11352851B2Jun 7, 2022
Well with two casings
METROL TECH LTD0 citations51
US11041380B2Jun 22, 2021
Method of pressure testing
METROL TECH LTD0 citations51
US11674385B2Jun 13, 2023
Downhole communication
METROL TECH LTD0 citations45
US11448062B2Sep 20, 2022
Well installations
METROL TECH LTD0 citations45