Inventor · disambiguated record
Helen Haneferd
Also filed as: HANEFERD HELEN
3 granted patents·5 citations·filing 2016–2019
60Inventor score
Technology areasE21B
Files withCONOCOPHILLIPS CO3
Top patents by PatentIndex Score
3 records- 0178US10087716B2Method and apparatus for filling an annulus between casing and rock in an oil or gas wellCONOCOPHILLIPS CO·Filed 2016·Granted Oct 2, 2018·3 cites·12 claims
- 0274US10508515B2Method and apparatus for filling an annulus between casing and rock in an oil or gas wellCONOCOPHILLIPS CO·Filed 2018·Granted Dec 17, 2019·2 cites·7 claims
- 0356US10975657B2Method and apparatus for filling an annulus between casing and rock in an oil or gas wellCONOCOPHILLIPS CO·Filed 2019·Granted Apr 13, 2021·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →