Inventor · disambiguated record
Yerzhan Ayapbergenov
Also filed as: AYAPBERGENOV YERZHAN
5 granted patents·3 citations·filing 2014–2018
66Inventor score
Files withHALLIBURTON ENERGY SERVICES INC5
Top patents by PatentIndex Score
5 records- 0178US10167419B2Beneficiating weighting agentsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jan 1, 2019·2 cites·11 claims
- 0268US9725973B2Methods and processes to recycle base oil fluids from spent invert emulsion drilling fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Aug 8, 2017·1 cites·10 claims
- 0354US10815411B2Beneficiating weighting agentsHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Oct 27, 2020·0 cites·20 claims
- 0454US9677354B2Methods and processes to recycle base oil fluids from spent invert emulsion drilling fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jun 13, 2017·0 cites·14 claims
- 0544US11015107B2Methods of cleaning invert emulsion drilling fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted May 25, 2021·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →