Inventor · disambiguated record
John Heden
Also filed as: HEDEN JOHN
6 granted patents·1 pending application·15 citations·filing 2005–2011
74Inventor score
Top patents by PatentIndex Score
7 records- 0180US7596988B2High performance liquid chromatography sample introduction optimized with bubble detectionWATERS TECHNOLOGIES CORP·Filed 2005·Granted Oct 6, 2009·8 cites·34 claims
- 0277US7917250B2Devices, systems and methods for flow-compensating pump-injector synchronizationWATERS TECHNOLOGIES CORP·Filed 2005·Granted Mar 29, 2011·6 cites·39 claims
- 0362US8160751B2Devices, systems and methods for flow-compensating pump-injector synchronizationPENSAK JR STANLEY P·Filed 2011·Granted Apr 17, 2012·1 cites·18 claims
- 0438US9523662B2Coordinating injector-valve switching with pump-stroke timing to mitigate effects of pressure pulsesHEDEN JOHN·Filed 2010·Granted Dec 20, 2016·0 cites·10 claims
- 0537US9643103B2Process for preparing liquid mixtures of known pH and salt concentrationANDREWS RICHARD W·Filed 2011·Granted May 9, 2017·0 cites·6 claims
- 0636US9519291B2Coordination of solvent delivery with pre-injection operations in a liquid chromatographHEDEN JOHN·Filed 2010·Granted Dec 13, 2016·0 cites·15 claims
- 0734US2013148461A1Apparatus And Methods For Controlling The Composition Of Fluids In A Fluid StreamLI GUO-ZHONG·Filed 2011·Application pending·0 cites
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