Assignee

DORFFER DANIEL F

US·2 granted patents·7 citations·filing 2007–2009

Technology mixD07B1 E21B1 G01V1 H01B1

Top patents by PatentIndex Score

2 records

0171US8969728B2Smooth wirelineDORFFER DANIEL F·Filed 2009·Granted Mar 3, 2015·3 cites·20 claims
0255US8944162B2Ambient-activated switch for downhole operationsDORFFER DANIEL F·Filed 2007·Granted Feb 3, 2015·4 cites·29 claims

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