Assignee
WASSELL MARK ELLSWORTH
US·7 granted patents·1 pending application·85 citations·filing 2009–2013
Top patents by PatentIndex Score
8 records- 0191US8240401B2System and method for damping vibration in a drill stringWASSELL MARK ELLSWORTH·Filed 2011·Granted Aug 14, 2012·11 cites·10 claims
- 0290US9057245B2Methods for optimizing and monitoring underground drillingWASSELL MARK ELLSWORTH·Filed 2011·Granted Jun 16, 2015·14 cites·13 claims
- 0390US8397562B2Apparatus for measuring bending on a drill bit operating in a wellWASSELL MARK ELLSWORTH·Filed 2009·Granted Mar 19, 2013·27 cites·1 claims
- 0488US8662205B2System and method for damping vibration in a drill stringWASSELL MARK ELLSWORTH·Filed 2012·Granted Mar 4, 2014·7 cites·14 claims
- 0581US8087476B2System and method for damping vibration in a drill string using a magnetorheological damperWASSELL MARK ELLSWORTH·Filed 2009·Granted Jan 3, 2012·22 cites·35 claims
- 0675US9279903B2Apparatus for measuring bending on a drill bit operating in a wellWASSELL MARK ELLSWORTH·Filed 2013·Granted Mar 8, 2016·3 cites·16 claims
- 0750US9976360B2System and method for damping vibration in a drill string using a magnetorheological damperWASSELL MARK ELLSWORTH·Filed 2011·Granted May 22, 2018·1 cites·27 claims
- 0843US2015083493A1Drilling System and Associated System and Method for Monitoring, Controlling, and Predicting Vibration in an Underground Drilling OperationWASSELL MARK ELLSWORTH·Filed 2013·Application pending·0 cites
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