Assignee
GERHARDT GEOFF C
US·8 granted patents·1 pending application·30 citations·filing 2005–2012
Top patents by PatentIndex Score
9 records- 0190US9115815B2Variable-volume injection valveGERHARDT GEOFF C·Filed 2011·Granted Aug 25, 2015·10 cites·18 claims
- 0283US8679333B2Closed loop flow control of a HPLC constant flow pump to enable low-flow operationGERHARDT GEOFF C·Filed 2010·Granted Mar 25, 2014·4 cites·4 claims
- 0381US8943887B2Thermal-based flow sensing apparatuses and methods for high-performance liquid chromatographyGERHARDT GEOFF C·Filed 2010·Granted Feb 3, 2015·3 cites·16 claims
- 0481US8173070B2Sample injector system for liquid chromatographyGERHARDT GEOFF C·Filed 2005·Granted May 8, 2012·8 cites·54 claims
- 0572US9396916B2Electrokinetically controlled calibrant deliveryGERHARDT GEOFF C·Filed 2012·Granted Jul 19, 2016·2 cites·16 claims
- 0656US8679332B2Flow sensing apparatus used to monitor/provide feedback system to a split flow pumping systemGERHARDT GEOFF C·Filed 2007·Granted Mar 25, 2014·0 cites·13 claims
- 0755US8640730B2Variable resistance fluid controllerGERHARDT GEOFF C·Filed 2006·Granted Feb 4, 2014·3 cites·21 claims
- 0852US9429548B2Flow sensors and flow sensing methods with extended linear rangeGERHARDT GEOFF C·Filed 2010·Granted Aug 30, 2016·0 cites·16 claims
- 0939US2012227470A1Chromatography Apparatus Having An Integrated CoreGERHARDT GEOFF C·Filed 2010·Application pending·0 cites
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