Assignee
OURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A
BR·8 granted patents·1 pending application·17 citations·filing 2016–2022
Top patents by PatentIndex Score
9 records- 0178US11319773B2Fully electric downhole safety toolOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2018·Granted May 3, 2022·6 cites·3 claims
- 0270US10995584B2Fully electric tool for downhole inflow controlOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2016·Granted May 4, 2021·5 cites·3 claims
- 0369US10995586B2Fully electric tool for continous downhole flow controlOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2017·Granted May 4, 2021·4 cites·26 claims
- 0469US10416080B1Device for sensing photoluminescent materials in seawaterOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2018·Granted Sep 17, 2019·1 cites·9 claims
- 0549US11840916B2System and method for monitoring abandoned subsea wells with wet Christmas treeOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2019·Granted Dec 12, 2023·1 cites·11 claims
- 0645US12221855B2Electromagnetic-mechanical locking device applied to subsurface safety valveOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2021·Granted Feb 11, 2025·0 cites·11 claims
- 0742US11927072B2Valve for downhole chemical injection controlOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2019·Granted Mar 12, 2024·0 cites·11 claims
- 0832US12540533B2Gas injection valve in an oil production columnOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2022·Granted Feb 3, 2026·0 cites·6 claims
- 0929US2024141762A1Electric drive valve control and safety system for gas injection in oil production columnOURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A·Filed 2020·Application pending·0 cites
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