Inventor · disambiguated record
Dag Holen
Also filed as: Holen Dag
8 granted patents·9 citations·filing 2017–2024
76Inventor score
Top patents by PatentIndex Score
8 records- 0186US11613932B2Pipe handling system and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Mar 28, 2023·6 cites·16 claims
- 0272US10513895B2Pipe transport system and methodCAMERON INT CORP·Filed 2017·Granted Dec 24, 2019·3 cites·7 claims
- 0369US12366277B2System and method for damping forces exerted on a cableCAMERON INT CORP·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 0463US12000456B2System and method for damping forces exerted on a cableCAMERON INT CORP·Filed 2020·Granted Jun 4, 2024·0 cites·11 claims
- 0555US11846141B2Guide armCAMERON INT CORP·Filed 2019·Granted Dec 19, 2023·0 cites·20 claims
- 0650US12312884B2Automated fingerboard for a drilling rigSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted May 27, 2025·0 cites·19 claims
- 0750US11097929B2Top-mounted hoist for use in a derrick or drilling mast of an oil and gas rigCAMERON INT CORP·Filed 2019·Granted Aug 24, 2021·0 cites·13 claims
- 0836US11306549B2Handling tool for casing tongsCAMERON INT CORP·Filed 2017·Granted Apr 19, 2022·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →