CP

Charles Perkins

VA Varian: 7 patents #30 of 684Top 5%
Overall (All Time): #751,210 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7500381 Systems and methods for trace gas leak detection of large leaks at relatively high test pressures Pieter Palenstyn 2009-03-10
7459677 Mass spectrometer for trace gas leak detection with suppression of undesired ions J. Daniel Geist, Jeffrey Diep, Peter Williams 2008-12-02
7427751 High sensitivity slitless ion source mass spectrometer for trace gas leak detection J. Daniel Geist, Jeffrey Diep, Peter Williams 2008-09-23
7320243 Methods and apparatus for detection of large leaks in sealed articles Pieter N. Palenstijn 2008-01-22
7290439 Methods and apparatus for leak detection by the accumulation method Pieter N. Palenstijn 2007-11-06
7204127 Method and apparatus for large leak testing Pieter N. Palenstijn 2007-04-17
6835048 Ion pump having secondary magnetic field Barry W. Manley 2004-12-28