Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of protecting a top drive drilling assembly and a top drive drilling assembly modified in accordance with this method

Method of protecting a top drive drilling assembly and a top drive drilling assembly modified in accordance with this method

US Patent 8381840 · Granted Feb 26, 2013

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tubing injector with built in redundancy2016
Tubing injector with built in redundancy2016
Tubing injector head2008
Tubing injector head2008
Top drive well drilling apparatus2005
Top drive well drilling apparatus2005