Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Rock bit having a seal gland with a conical sealing surface

Rock bit having a seal gland with a conical sealing surface

US Patent 8403079 · Granted Mar 26, 2013

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Modified surface properties of percussion tools used in downhole drilling2020
Method for drilling out a plug using a hybrid rotary cone drill bit2020
Roller cone drill bit with improved erosion resistance2018
Modified surface properties of percussion tools used in downhole drilling2018
Wear resistant plates on a leading transitional surface of the leg for a rotary 2016
Double wall flow tube for percussion tool2016
Top mounted choke for percussion tool2016
Hybrid rotary cone drill bit2016
Roller cone drill bit with cuttings evacuator2016
Rock bit having a labyrinth seal/bearing protection structure2014
Method and apparatus for reducing lubricant pressure pulsation within a rotary c2014
Method and apparatus for reducing lubricant pressure pulsation within a rotary c2013