Assignee
CHURCHILL ANDREW
GB·4 granted patents·11 citations·filing 2009–2010
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0174US8899335B2Downhole toolCHURCHILL ANDREW·Filed 2010·Granted Dec 2, 2014·4 cites·20 claims
- 0273US9593545B2Downhole material deliveryCHURCHILL ANDREW·Filed 2010·Granted Mar 14, 2017·4 cites·21 claims
- 0364US9453379B2Downhole toolCHURCHILL ANDREW·Filed 2010·Granted Sep 27, 2016·2 cites·21 claims
- 0444US8915299B2Apparatus for use in top filling of tubulars and associated methodsCHURCHILL ANDREW·Filed 2009·Granted Dec 23, 2014·1 cites·32 claims
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