Inventor · disambiguated record
John Zahl
Also filed as: ZAHL JOHN
6 granted patents·2 citations·filing 2020–2023
68Inventor score
Technology areasE21B
Top patents by PatentIndex Score
6 records- 0186US11767721B2Riser bolt torque systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Sep 26, 2023·2 cites·16 claims
- 0270US11965386B2Riser bolt torque systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted Apr 23, 2024·0 cites·4 claims
- 0366US11993987B2Gooseneck connector systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted May 28, 2024·0 cites·9 claims
- 0459US11603718B2Gooseneck connector systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Mar 14, 2023·0 cites·13 claims
- 0549US11401753B2Cable management on marine drilling risersCAMERON INT CORP·Filed 2020·Granted Aug 2, 2022·0 cites·8 claims
- 0648US11920422B2Riser collet connector systems and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Mar 5, 2024·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when John Zahl 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 →