Inventor · disambiguated record
Eulalio De Jesus Rosas Fermin
Also filed as: ROSAS FERMIN EULALIO DE JESUS
4 granted patents·5 pending applications·1 citations·filing 2022–2024
57Inventor score
Technology areasE21B
Files withHALLIBURTON ENERGY SERVICES INC9
Top patents by PatentIndex Score
9 records- 0183US12000250B2Pressure indication alignment using an orientation port and an orientation slot in a weighted swivelHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Jun 4, 2024·1 cites·39 claims
- 0279US2025109663A1Multilateral junction sleeve assembly employing degradable materialHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
- 0379US2025109657A1Multilateral lateral bore completion employing an expandable metal anchor on the expansion jointHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
- 0479US2025109655A1Multilateral junction sleeve assembly employing an expandable metal anchorHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
- 0579US2025109656A1Multilateral lateral bore completion employing an expandable metal anchorHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
- 0674US12378858B2Pressure indication alignment using an orientation port and an orientation slot in a weighted swivelHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Aug 5, 2025·0 cites·40 claims
- 0758US12055039B2Method for washing over an anchoring subassemblyHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Aug 6, 2024·0 cites·17 claims
- 0856US11661822B2Telescoping transition joint for the protection of control lines and other tools and componentsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted May 30, 2023·0 cites·20 claims
- 0950US2025137356A1Multilateral junction including an expandable sealing elementHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Eulalio De Jesus Rosas Fermin files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →