Inventor · disambiguated record
Jinhua Cao
Also filed as: CAO JINHUA
10 granted patents·4 pending applications·5 citations·filing 2020–2025
78Inventor score
Files withHALLIBURTON ENERGY SERVICES INC14
Top patents by PatentIndex Score
14 records- 0193US11274519B1Reverse cementing toolHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Mar 15, 2022·5 cites·18 claims
- 0276US2025270918A1Induction loop cementing progress detectionHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 0372US12060763B2Cementing apparatus for reverse cementingHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Aug 13, 2024·0 cites·20 claims
- 0465US12326079B2Induction loop cementing progress detectionHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jun 10, 2025·0 cites·12 claims
- 0564US11746618B2Cementing apparatus for reverse cementingHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 5, 2023·0 cites·11 claims
- 0662US12037889B2Permanent electromagnet sensor to detect the end of reverse cementingHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Jul 16, 2024·0 cites·20 claims
- 0761US11802850B2Magnetic permeability sensor with permanent magnet for downhole sensingHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Oct 31, 2023·0 cites·20 claims
- 0853US2024280536A1Permanent electromagnet sensor to detect the end of reverse cementingHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 0952US11519258B2Pressure testing casing string during reverse cementing operationsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Dec 6, 2022·0 cites·20 claims
- 1052US11448038B2Reverse cementing valve system and method employing a double flapper valve with sliding sleeve and drillable noseHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 20, 2022·0 cites·21 claims
- 1148US11965417B2Magnetic sensor assembly having a non-flat shape plug for cement slurry sensingHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Apr 23, 2024·0 cites·20 claims
- 1243US12188343B2Sensor and actuator for autonomously detecting resistivity derivatives of wellbore fluids and closing fluid pathHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Jan 7, 2025·0 cites·20 claims
- 1336US2020378216A1Downhole tool for cementing a boreholeHALLIBURTON ENERGY SERVICES INC·Filed 2020·Application pending·0 cites
- 1435US2023296014A1Sensor and actuator for autonomously detecting wellbore fluids and closing fluid pathHALLIBURTON ENERGY SERVICES INC·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →