Assignee
LIN CHIH
US·4 granted patents·1 pending application·12 citations·filing 2008–2013
Top patents by PatentIndex Score
5 records- 0183US8167578B2Switch and float assembly for a pumpLIN CHIH·Filed 2009·Granted May 1, 2012·9 cites·17 claims
- 0259US8267640B1Turbine pump with floating racewayLIN CHIH·Filed 2009·Granted Sep 18, 2012·2 cites·17 claims
- 0358US9316055B2Drill bit with a dynamic metal sealLIN CHIH·Filed 2013·Granted Apr 19, 2016·1 cites·16 claims
- 0442US2008197010A1Apparatus and method for air relief in an air switchLIN CHIH·Filed 2008·Application pending·0 cites
- 0538US9909365B2Downhole tools having mechanical joints with enhanced surfacesLIN CHIH·Filed 2011·Granted Mar 6, 2018·0 cites·7 claims
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