John Heden

Person

Hollis, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing liquid mixtures of known pH and salt concentr...
- Patent number 9,643,103
- Issue date May 9, 2017
- Waters Technologies Corporation
- Richard W. Andrews
- G05 - CONTROLLING REGULATING
Information Patent Grant
Coordinating injector-valve switching with pump-stroke timing to mi...
- Patent number 9,523,662
- Issue date Dec 20, 2016
- Waters Technologies Corporation
- John Heden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Coordination of solvent delivery with pre-injection operations in a...
- Patent number 9,519,291
- Issue date Dec 13, 2016
- Waters Technologies Corporation
- John Heden
- G05 - CONTROLLING REGULATING
Information Patent Grant
Devices, systems and methods for flow-compensating pump-injector sy...
- Patent number 8,160,751
- Issue date Apr 17, 2012
- Waters Technologies Corporation
- Stanley P. Pensak, Jr.
- G01 - MEASURING TESTING
Information Patent Grant
Devices, systems and methods for flow-compensating pump-injector sy...
- Patent number 7,917,250
- Issue date Mar 29, 2011
- Waters Technologies Corporation
- Stanley P. Pensak, Jr.
- G01 - MEASURING TESTING
Information Patent Grant
High performance liquid chromatography sample introduction optimize...
- Patent number 7,596,988
- Issue date Oct 6, 2009
- Waters Technologies Corporation
- James E. Usowicz
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Process For Preparing Liquid Mixtures Of Known pH And Salt Concentr...
- Publication number 20130206666
- Publication date Aug 15, 2013
- WATERS TECHNOLOGIES CORPORATION
- Richard W. Andrews
- G01 - MEASURING TESTING
Information Patent Application
Apparatus And Methods For Controlling The Composition Of Fluids In...
- Publication number 20130148461
- Publication date Jun 13, 2013
- WATERS TECHNOLOGIES CORPORATION
- Guo-Zhong Li
- G01 - MEASURING TESTING
Information Patent Application
COORDINATION OF SOLVENT DELIVERY WITH PRE-INJECTION OPERATIONS IN A...
- Publication number 20120304745
- Publication date Dec 6, 2012
- WATERS TECHNOLOGIES CORPORATION
- John Heden
- G01 - MEASURING TESTING
Information Patent Application
COORDINATING INJECTOR-VALVE SWITCHING WITH PUMP-STROKE TIMING TO MI...
- Publication number 20120303167
- Publication date Nov 29, 2012
- WATERS TECHNOLOGIES CORPORATION
- John Heden
- G01 - MEASURING TESTING
Information Patent Application
DEVICES, SYSTEMS AND METHODS FOR FLOW-COMPENSATING PUMP-INJECTOR SY...
- Publication number 20110202188
- Publication date Aug 18, 2011
- WATERS TECHNOLOGIES CORPORATION
- Stanley P. Pensak, JR.
- G01 - MEASURING TESTING
Information Patent Application
DEVICES, SYSTEMS AND METHODS FOR FLOW-COMPENSATING PUMP-INJECTOR SY...
- Publication number 20090062966
- Publication date Mar 5, 2009
- WATERS INVESTMENTS LIMITED
- Stanley P. Pensak, JR.
- G01 - MEASURING TESTING
Information Patent Application
High Performance Liquid Chromatography Sample Introduction Optimize...
- Publication number 20070287192
- Publication date Dec 13, 2007
- Waters Investments Limited
- James E. Usowicz
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Process for preparing liquid mixtures of known pH and salt concentr...

Coordinating injector-valve switching with pump-stroke timing to mi...

Coordination of solvent delivery with pre-injection operations in a...

Devices, systems and methods for flow-compensating pump-injector sy...

Devices, systems and methods for flow-compensating pump-injector sy...

High performance liquid chromatography sample introduction optimize...

Patents Applicationslast 30 patents

Process For Preparing Liquid Mixtures Of Known pH And Salt Concentr...

Apparatus And Methods For Controlling The Composition Of Fluids In...

COORDINATION OF SOLVENT DELIVERY WITH PRE-INJECTION OPERATIONS IN A...

COORDINATING INJECTOR-VALVE SWITCHING WITH PUMP-STROKE TIMING TO MI...

DEVICES, SYSTEMS AND METHODS FOR FLOW-COMPENSATING PUMP-INJECTOR SY...

DEVICES, SYSTEMS AND METHODS FOR FLOW-COMPENSATING PUMP-INJECTOR SY...

High Performance Liquid Chromatography Sample Introduction Optimize...