Gregory J. Wells

Person

Fairfield, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for filling an ion detector cell
- Patent number 8,309,911
- Issue date Nov 13, 2012
- Agilent Technologies, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-pressure electron ionization and chemical ionization for mass s...
- Patent number 8,299,421
- Issue date Oct 30, 2012
- Agilent Technologies, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron capture dissociation apparatus and related methods
- Patent number 8,158,934
- Issue date Apr 17, 2012
- Agilent Technologies, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source for ionization with leakage current suppression
- Patent number 7,701,123
- Issue date Apr 20, 2010
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charge control for ionic charge accumulation devices
- Patent number 7,629,575
- Issue date Dec 8, 2009
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two-dimensional electrode constructions for ion processing
- Patent number 7,501,623
- Issue date Mar 10, 2009
- Varian, Inc.
- Roger Tong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compensating for field imperfections in linear ion processing appar...
- Patent number 7,470,900
- Issue date Dec 30, 2008
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field conditions for ion excitation in linear ion processing apparatus
- Patent number 7,405,399
- Issue date Jul 29, 2008
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adjusting field conditions in linear ion processing apparatus for d...
- Patent number 7,405,400
- Issue date Jul 29, 2008
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Increasing ion kinetic energy along axis of linear ion processing d...
- Patent number 7,378,653
- Issue date May 27, 2008
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rotating excitation field in linear ion processing apparatus
- Patent number 7,351,965
- Issue date Apr 1, 2008
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion fragmentation parameter selection systems and methods
- Patent number 7,232,993
- Issue date Jun 19, 2007
- Varian, Inc.
- August Specht
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Linear ion trap apparatus and method utilizing an asymmetrical trap...
- Patent number 7,034,293
- Issue date Apr 25, 2006
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated ion focusing and gating optics for ion trap mass spectro...
- Patent number 6,888,133
- Issue date May 3, 2005
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vortex flow atmospheric pressure chemical ionization source for mas...
- Patent number 6,818,888
- Issue date Nov 16, 2004
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for atmospheric pressure chemical ionization
- Patent number 6,794,646
- Issue date Sep 21, 2004
- Varian, Inc.
- Roger Tong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Asymmetric-field ion guiding devices
- Patent number 6,730,904
- Issue date May 4, 2004
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion trap mass spectrometer using pre-calculated waveforms for ion i...
- Patent number 6,710,336
- Issue date Mar 23, 2004
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pulsed ion source for ion trap mass spectrometer
- Patent number 6,294,780
- Issue date Sep 25, 2001
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multiple liquid flow electrospray interface
- Patent number 6,274,867
- Issue date Aug 14, 2001
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pneumatically assisted electrospray device with alternating pressur...
- Patent number 6,207,955
- Issue date Mar 27, 2001
- Varian, Inc.
- Gregory J. Wells
- G01 - MEASURING TESTING
Information Patent Grant
Vortex gas flow interface for electrospray mass spectrometry
- Patent number 6,177,669
- Issue date Jan 23, 2001
- Varian, Inc.
- Gregory J. Wells
- G01 - MEASURING TESTING
Information Patent Grant
Mass scanning method using an ion trap mass spectrometer
- Patent number 5,714,755
- Issue date Feb 3, 1998
- Varian Associates, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of detecting selected ion species in a quadrupole ion trap
- Patent number 5,640,011
- Issue date Jun 17, 1997
- Varian Associates, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency modulated selected ion species isolation in a quadrupole...
- Patent number 5,608,216
- Issue date Mar 4, 1997
- Varian Associates, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency modulated selected ion species isolation in a quadrupole...
- Patent number 5,521,380
- Issue date May 28, 1996
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency modulated selected ion species isolation in a quadrupole...
- Patent number 5,517,025
- Issue date May 14, 1996
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of space charge control in an ion trap mass spectrometer
- Patent number 5,479,012
- Issue date Dec 26, 1995
- Varian Associates, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of selective ion trapping for quadrupole ion trap mass spect...
- Patent number 5,457,315
- Issue date Oct 10, 1995
- Varian Associates, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of space charge control for improved ion isolation in an ion...
- Patent number 5,448,061
- Issue date Sep 5, 1995
- Varian Associates, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LARGE-AREA SOLID PHASE EXTRACTION APPARATUS AND METHODS
- Publication number 20120160038
- Publication date Jun 28, 2012
- Agilent Technologies, Inc.
- Gregory J. Wells
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Charge control for ionic charge accumulation devices
- Publication number 20090159791
- Publication date Jun 25, 2009
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Adjusting field conditions in linear ion processing apparatus for d...
- Publication number 20070176096
- Publication date Aug 2, 2007
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Field conditions for ion excitation in linear ion processing apparatus
- Publication number 20070176094
- Publication date Aug 2, 2007
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Two-dimensional electrode constructions for ion processing
- Publication number 20070176095
- Publication date Aug 2, 2007
- Roger Tong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compensating for field imperfections in linear ion processing appar...
- Publication number 20070176097
- Publication date Aug 2, 2007
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rotating excitation field in linear ion processing apparatus
- Publication number 20070176098
- Publication date Aug 2, 2007
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Increasing ion kinetic energy along axis of linear ion processing d...
- Publication number 20070158550
- Publication date Jul 12, 2007
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ION FRAGMENTATION PARAMETER SELECTION SYSTEMS AND METHODS
- Publication number 20070145264
- Publication date Jun 28, 2007
- August Specht
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron source for ionization with leakage current suppression
- Publication number 20070132357
- Publication date Jun 14, 2007
- Varian, Inc.
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Linear ion trap apparatus and method utilizing an asymmetrical trap...
- Publication number 20050263696
- Publication date Dec 1, 2005
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND APPARATUS FOR ATMOSPHERIC PRESSURE CHEMICAL IONIZATION
- Publication number 20040099803
- Publication date May 27, 2004
- Roger Tong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vortex flow atmospheric pressure chemical ionization source for mas...
- Publication number 20030189169
- Publication date Oct 9, 2003
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ion trap mass spectrometer using pre-calculated waveforms for ion i...
- Publication number 20030150988
- Publication date Aug 14, 2003
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Integrated ion focusing and gating optics for ion trap mass spectro...
- Publication number 20030141449
- Publication date Jul 31, 2003
- Gregory J. Wells
- H01 - BASIC ELECTRIC ELEMENTS

Gregory J. Wells

Person

Patents Grantslast 30 patents

Methods and apparatus for filling an ion detector cell

Low-pressure electron ionization and chemical ionization for mass s...

Electron capture dissociation apparatus and related methods

Electron source for ionization with leakage current suppression

Charge control for ionic charge accumulation devices

Two-dimensional electrode constructions for ion processing

Compensating for field imperfections in linear ion processing appar...

Field conditions for ion excitation in linear ion processing apparatus

Adjusting field conditions in linear ion processing apparatus for d...

Increasing ion kinetic energy along axis of linear ion processing d...

Rotating excitation field in linear ion processing apparatus

Ion fragmentation parameter selection systems and methods

Linear ion trap apparatus and method utilizing an asymmetrical trap...

Integrated ion focusing and gating optics for ion trap mass spectro...

Vortex flow atmospheric pressure chemical ionization source for mas...

Method and apparatus for atmospheric pressure chemical ionization

Asymmetric-field ion guiding devices

Ion trap mass spectrometer using pre-calculated waveforms for ion i...

Pulsed ion source for ion trap mass spectrometer

Multiple liquid flow electrospray interface

Pneumatically assisted electrospray device with alternating pressur...

Vortex gas flow interface for electrospray mass spectrometry

Mass scanning method using an ion trap mass spectrometer

Method of detecting selected ion species in a quadrupole ion trap

Frequency modulated selected ion species isolation in a quadrupole...

Frequency modulated selected ion species isolation in a quadrupole...

Frequency modulated selected ion species isolation in a quadrupole...

Method of space charge control in an ion trap mass spectrometer

Method of selective ion trapping for quadrupole ion trap mass spect...

Method of space charge control for improved ion isolation in an ion...

Patents Applicationslast 30 patents

LARGE-AREA SOLID PHASE EXTRACTION APPARATUS AND METHODS

Charge control for ionic charge accumulation devices

Adjusting field conditions in linear ion processing apparatus for d...

Field conditions for ion excitation in linear ion processing apparatus

Two-dimensional electrode constructions for ion processing

Compensating for field imperfections in linear ion processing appar...

Rotating excitation field in linear ion processing apparatus

Increasing ion kinetic energy along axis of linear ion processing d...

ION FRAGMENTATION PARAMETER SELECTION SYSTEMS AND METHODS

Electron source for ionization with leakage current suppression

Linear ion trap apparatus and method utilizing an asymmetrical trap...

METHOD AND APPARATUS FOR ATMOSPHERIC PRESSURE CHEMICAL IONIZATION

Vortex flow atmospheric pressure chemical ionization source for mas...

Ion trap mass spectrometer using pre-calculated waveforms for ion i...

Integrated ion focusing and gating optics for ion trap mass spectro...