Assignee
ENHANCED DRILLING A S
NO·3 granted patents·3 citations·filing 2015–2020
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0170US10787871B2System and methods for controlled mud cap drillingENHANCED DRILLING A S·Filed 2018·Granted Sep 29, 2020·2 cites·12 claims
- 0269US11085255B2System and methods for controlled mud cap drillingENHANCED DRILLING A S·Filed 2020·Granted Aug 10, 2021·1 cites·10 claims
- 0336US9664006B2Riser isolation device having automatically operated annular sealENHANCED DRILLING A S·Filed 2015·Granted May 30, 2017·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when ENHANCED DRILLING A S files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →