Assignee
CASTILLO ROBERT O
US·4 granted patents·15 citations·filing 2009–2013
Top patents by PatentIndex Score
4 records- 0172US8127978B2Swelling packer and method of constructionCASTILLO ROBERT O·Filed 2009·Granted Mar 6, 2012·11 cites·11 claims
- 0269US8550156B2Swelling packerCASTILLO ROBERT O·Filed 2011·Granted Oct 8, 2013·3 cites·12 claims
- 0352US9429236B2Sealing devices having a non-elastomeric fibrous sealing material and methods of using sameCASTILLO ROBERT O·Filed 2010·Granted Aug 30, 2016·1 cites·25 claims
- 0450US9834404B2Method of making a downhole swellable seal with a passageway therethroughCASTILLO ROBERT O·Filed 2013·Granted Dec 5, 2017·0 cites·10 claims
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