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John A. Smith
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North Andover, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for processing metal bearing gases
Patent number
8,779,322
Issue date
Jul 15, 2014
MKS Instruments Inc.
William M. Holber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Chemical ionization reaction or proton transfer reaction mass spect...
Patent number
8,704,171
Issue date
Apr 22, 2014
MKS Instruments, Inc.
Timothy Roger Robinson
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for processing metal bearing gases
Patent number
8,658,936
Issue date
Feb 25, 2014
MKS Instruments Inc.
William M. Holber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radio frequency power delivery system
Patent number
8,633,782
Issue date
Jan 21, 2014
MKS Instruments, Inc.
Siddharth P. Nagarkatti
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Chemical ionization reaction or proton transfer reaction mass spect...
Patent number
8,334,505
Issue date
Dec 18, 2012
MKS Instruments, Inc.
Timothy Roger Robinson
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for processing metal bearing gases
Patent number
8,124,906
Issue date
Feb 28, 2012
MKS Instruments, Inc.
William M. Holber
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Chemical ionization reaction or proton transfer reaction mass spect...
Patent number
8,003,935
Issue date
Aug 23, 2011
MKS Instruments, Inc.
Timothy Roger Robinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Chemical ionization reaction or proton transfer reaction mass spect...
Patent number
8,003,936
Issue date
Aug 23, 2011
MKS Instruments, Inc.
Timothy Roger Robinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radio frequency power delivery system
Patent number
7,764,140
Issue date
Jul 27, 2010
MKS Instruments, Inc.
Siddharth P. Nagarkatti
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Gas delivery method and system including a flow ratio controller us...
Patent number
7,621,290
Issue date
Nov 24, 2009
MKS Instruments, Inc.
Junhua Ding
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for processing metal bearing gases
Patent number
7,569,790
Issue date
Aug 4, 2009
MKS Instruments, Inc.
William M. Holber
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method for self-calibration of mass flow controller
Patent number
6,948,508
Issue date
Sep 27, 2005
MKS Instruments, Inc.
Ali Shajii
G01 - MEASURING TESTING
Information
Patent Grant
Two phase flow sensor using tomography techniques
Patent number
6,857,323
Issue date
Feb 22, 2005
MKS Instruments, Inc.
Ali Shajii
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for conditioning a gas flow to improve a rate...
Patent number
6,813,943
Issue date
Nov 9, 2004
MKS Instruments, Inc.
John A. Smith
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Chemical Ionization Reaction or Proton Transfer Reaction Mass Spect...
Publication number
20130203180
Publication date
Aug 8, 2013
MKS Instruments, Inc.
Timothy Roger Robinson
G01 - MEASURING TESTING
Information
Patent Application
Method and Apparatus for Processing Metal Bearing Gases
Publication number
20120160059
Publication date
Jun 28, 2012
MKS Instruments, Inc.
William M. Holber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Chemical Ionization Reaction or Proton Transfer Reaction Mass Spect...
Publication number
20120003748
Publication date
Jan 5, 2012
MKS Instruments, Inc.
Timothy Roger Robinson
G01 - MEASURING TESTING
Information
Patent Application
Radio Frequency Power Delivery System
Publication number
20100231296
Publication date
Sep 16, 2010
MKS Instruments, Inc.
Siddharth P. Nagarkatti
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and Apparatus for Processing Metal Bearing Gases
Publication number
20090288772
Publication date
Nov 26, 2009
MKS Instruments, Inc.
William M. Holber
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CHEMICAL IONIZATION REACTION OR PROTON TRANSFER REACTION MASS SPECT...
Publication number
20090095901
Publication date
Apr 16, 2009
MKS Instruments, Inc.
Timothy Roger Robinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CHEMICAL IONIZATION REACTION OR PROTON TRANSFER REACTION MASS SPECT...
Publication number
20090095902
Publication date
Apr 16, 2009
MKS Instruments, Inc.
Timothy Roger Robinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Radio Frequency Power Delivery System
Publication number
20070139122
Publication date
Jun 21, 2007
MKS Instruments, Inc.
Siddharth P. Nagarkatti
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Gas delivery method and system including a flow ratio controller us...
Publication number
20060237063
Publication date
Oct 26, 2006
Junhua Ding
G05 - CONTROLLING REGULATING
Information
Patent Application
Method and apparatus for processing metal bearing gases
Publication number
20060086699
Publication date
Apr 27, 2006
MKS Instruments, Inc.
William M. Holber
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus for automated bi-directional integration of pe...
Publication number
20050010317
Publication date
Jan 13, 2005
Ron Hadar
G05 - CONTROLLING REGULATING
Information
Patent Application
METHOD AND APPARATUS FOR CONDITIONING A GAS FLOW TO IMPROVE A RATE...
Publication number
20040182148
Publication date
Sep 23, 2004
John A. Smith
G05 - CONTROLLING REGULATING
Information
Patent Application
Apparatus and method for self-calibration of mass flow controller
Publication number
20030234046
Publication date
Dec 25, 2003
Ali Shajii
G05 - CONTROLLING REGULATING