Robert J. Dumas

Person

Upton, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adiabatic reducing pressure transducer, system and method
- Patent number 11,927,498
- Issue date Mar 12, 2024
- Waters Technologies Corporation
- Gary W. Bertone
- G01 - MEASURING TESTING
Information Patent Grant
Techniques for analytical instrument performance diagnostics
- Patent number 11,836,617
- Issue date Dec 5, 2023
- WATERS TECHNOLOGIES IRELAND LIMITED
- John Carneiro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adiabatic thermal pulse compensating pressure transducer and method
- Patent number 11,204,293
- Issue date Dec 21, 2021
- Waters Technologies Corporation
- Gary W. Bertone
- G01 - MEASURING TESTING
Information Patent Grant
Carbon dioxide liquid phase forming using high volume head displace...
- Patent number 10,386,341
- Issue date Aug 20, 2019
- Waters Technologies Corporation
- Robert Dumas
- G01 - MEASURING TESTING
Information Patent Grant
Phase detection in multi-phase fluids
- Patent number 9,441,996
- Issue date Sep 13, 2016
- Waters Technologies Corporation
- Ryan Hill
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for determining the presence or absence of a...
- Patent number 7,241,115
- Issue date Jul 10, 2007
- Waters Investments Limited
- Joseph A. Luongo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Tube-in-tube thermal exchanger for liquid chromatography systems
- Patent number 6,484,569
- Issue date Nov 26, 2002
- Waters Investments Limited
- Kenneth R. Plant
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Bubble detection and recovery in a liquid pumping system
- Patent number 6,364,623
- Issue date Apr 2, 2002
- Waters Investments Limited
- Steven J. Ciavarini
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Bubble detection and recovery in a liquid pumping system
- Patent number RE37553
- Issue date Feb 19, 2002
- Waters Investments Limited
- Steven J. Ciavarini
- 417 - Pumps
Information Patent Grant
Bubble detection and recovery in a liquid pumping system
- Patent number 6,106,238
- Issue date Aug 22, 2000
- Water Investments Limited
- Steven J. Ciavarini
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gradient proportioning valve
- Patent number 5,862,832
- Issue date Jan 26, 1999
- Waters Investments Limited
- Richard Victor
- G05 - CONTROLLING REGULATING
Information Patent Grant
Bubble detection and recovery in a liquid pumping system
- Patent number 5,823,747
- Issue date Oct 20, 1998
- Waters Investments Limited
- Steven J. Ciavarini
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Tool-less pump head configuration
- Patent number 5,788,465
- Issue date Aug 4, 1998
- Waters Investments Limited
- Joseph A. Luongo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE TRANSDUCER, SYSTEM AND METHOD
- Publication number 20220065721
- Publication date Mar 3, 2022
- Waters Technologies Corporation
- Gary W. Bertone
- G01 - MEASURING TESTING
Information Patent Application
TECHNIQUES FOR ANALYTICAL INSTRUMENT PERFORMANCE DIAGNOSTICS
- Publication number 20200387790
- Publication date Dec 10, 2020
- WATERS TECHNOLOGIES CORPORATION
- John Carneiro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRESSURE TRANSDUCER, SYSTEM AND METHOD
- Publication number 20190360883
- Publication date Nov 28, 2019
- Gary W. Bertone
- G01 - MEASURING TESTING
Information Patent Application
CARBON DIOXIDE LIQUID PHASE FORMING USING HIGH VOLUME HEAD DISPLACE...
- Publication number 20160139092
- Publication date May 19, 2016
- WATERS TECHNOLOGIES CORPORATION
- Robert Dumas
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Phase Detection in Multi-Phase Fluids
- Publication number 20150101419
- Publication date Apr 16, 2015
- WATERS TECHNOLOGIES CORPORATION
- Ryan Hill
- G01 - MEASURING TESTING
Information Patent Application
Methods and apparatus for determining the presence or absence of a...
- Publication number 20050147508
- Publication date Jul 7, 2005
- Joseph A. Luongo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Robert J. Dumas

Person

Patents Grantslast 30 patents

Adiabatic reducing pressure transducer, system and method

Techniques for analytical instrument performance diagnostics

Adiabatic thermal pulse compensating pressure transducer and method

Carbon dioxide liquid phase forming using high volume head displace...

Phase detection in multi-phase fluids

Methods and apparatus for determining the presence or absence of a...

Tube-in-tube thermal exchanger for liquid chromatography systems

Bubble detection and recovery in a liquid pumping system

Bubble detection and recovery in a liquid pumping system

Bubble detection and recovery in a liquid pumping system

Gradient proportioning valve

Bubble detection and recovery in a liquid pumping system

Tool-less pump head configuration

Patents Applicationslast 30 patents

PRESSURE TRANSDUCER, SYSTEM AND METHOD

TECHNIQUES FOR ANALYTICAL INSTRUMENT PERFORMANCE DIAGNOSTICS

PRESSURE TRANSDUCER, SYSTEM AND METHOD

CARBON DIOXIDE LIQUID PHASE FORMING USING HIGH VOLUME HEAD DISPLACE...

Phase Detection in Multi-Phase Fluids

Methods and apparatus for determining the presence or absence of a...