Assignee
SCHRODER JON D
US·2 granted patents·11 citations·filing 2011–2011
Technology mixE21B2
Top patents by PatentIndex Score
2 records- 0177US8955622B2Grease distribution system for roller cone bit passing through a retaining bore in the headSCHRODER JON D·Filed 2011·Granted Feb 17, 2015·6 cites·11 claims
- 0273US8950515B2Cone retention and tapered bearing preload system for roller cone bitSCHRODER JON D·Filed 2011·Granted Feb 10, 2015·5 cites·10 claims
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