Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Fill up and circulation tool and mudsaver valve

Fill up and circulation tool and mudsaver valve

US Patent 8141642 · Granted Mar 27, 2012

Estimated economic value: $48,035,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Riser-less managed pressure operations2025
Spider load indicator2024
Modular top drive system2022
Load cell for a tong assembly2021
Tong assembly with door position sensors2021
Tool coupler with rotating coupling method for top drive2021
Tool coupler with threaded connection for top drive2020
Electronic control system for a tubular handling tool2020
Electronic control system for a tubular handling tool2020
Downhole tool coupling system2020
Electronic control system for a tubular handling tool2020
Electronic control system for a tubular handling tool2020