Inventor · disambiguated record
Alf Erik Berle
Also filed as: BERLE ALF ERIK
2 granted patents·20 citations·filing 2019–2020
55Inventor score
Technology areasE21B
Files withCOREALL AS2
Top patents by PatentIndex Score
2 records- 0189US11131147B1Core drilling apparatus and method for converting between a core drilling assembly and a full-diameter drilling assemblyCOREALL AS·Filed 2020·Granted Sep 28, 2021·19 cites·16 claims
- 0264US11891858B2Method and apparatus for alternating between coring and drilling without tripping operationsCOREALL AS·Filed 2019·Granted Feb 6, 2024·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →