JS

John A. Smith

MI Mks Instruments: 13 patents #20 of 442Top 5%
MIT: 2 patents #2,550 of 9,367Top 30%
BL British Technology Group Limited: 1 patents #139 of 501Top 30%
ND National Research Development: 1 patents #307 of 1,071Top 30%
Overall (All Time): #233,123 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12023614 Portable air filter cleaning devices and methods of use 2024-07-02
11541339 Portable air filter cleaning devices and methods of use 2023-01-03
8779322 Method and apparatus for processing metal bearing gases William M. Holber, Xing Chen, Donald K. Smith 2014-07-15
8704171 Chemical ionization reaction or proton transfer reaction mass spectrometry Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more 2014-04-22
8633782 Radio frequency power delivery system Siddharth P. Nagarkatti, Michael Kishinevsky, Ali Shajii, Timothy E. Kalvaitis, William McKinney +2 more 2014-01-21
8334505 Chemical ionization reaction or proton transfer reaction mass spectrometry Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more 2012-12-18
8124906 Method and apparatus for processing metal bearing gases William M. Holber, Xing Chen, Donald K. Smith 2012-02-28
8003935 Chemical ionization reaction or proton transfer reaction mass spectrometry with a quadrupole mass spectrometer Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more 2011-08-23
8003936 Chemical ionization reaction or proton transfer reaction mass spectrometry with a time-of-flight mass spectrometer Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more 2011-08-23
7764140 Radio frequency power delivery system Siddharth P. Nagarkatti, Michael Kishinevsky, Ali Shajii, Timothy E. Kalvaitis, William McKinney +3 more 2010-07-27
7621290 Gas delivery method and system including a flow ratio controller using antisymmetric optimal control Junhua Ding, Kaveh Zarkar 2009-11-24
7569790 Method and apparatus for processing metal bearing gases William M. Holber, Xing Chen, Donald K. Smith 2009-08-04
6948508 Apparatus and method for self-calibration of mass flow controller Ali Shajii, Nicholas Kottenstette, Jesse E. Ambrosina 2005-09-27
6857323 Two phase flow sensor using tomography techniques Ali Shajii, Siddharth P. Nagarkatti 2005-02-22
6813943 Method and apparatus for conditioning a gas flow to improve a rate of pressure change measurement Ali Shajii 2004-11-09
6610428 Controlled conversion of metal oxyfluorides into superconducting oxides Michael Cima, Neville Sonnenberg 2003-08-26
6172009 Controlled conversion of metal oxyfluorides into superconducting oxides Michael J. Cima, Neville Sonnenberg 2001-01-09
5500591 Methods and apparatus for detecting substances containing nuclei of a first and second kind Julian D. Shaw 1996-03-19
4887034 Methods and apparatus for detecting certain compounds 1989-12-12