Assignee
HELFER WADE JONATHON
US·5 granted patents·24 citations·filing 2007–2012
Top patents by PatentIndex Score
5 records- 0185US9127775B2Flexible seals for process control valvesHELFER WADE JONATHON·Filed 2012·Granted Sep 8, 2015·7 cites·23 claims
- 0284US8286938B2Flexible seals for process control valvesHELFER WADE JONATHON·Filed 2007·Granted Oct 16, 2012·11 cites·25 claims
- 0373US8814138B2Valve sealsHELFER WADE JONATHON·Filed 2011·Granted Aug 26, 2014·3 cites·13 claims
- 0458US8096526B2Rotary actuator lever apparatus having an annular recessHELFER WADE JONATHON·Filed 2008·Granted Jan 17, 2012·1 cites·22 claims
- 0557US8408837B2Collets for use with valvesHELFER WADE JONATHON·Filed 2008·Granted Apr 2, 2013·2 cites·31 claims
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