DB

David Barnett

NC National Research Council Of Canada: 5 patents #3 of 86Top 4%
IO Ionalytics: 2 patents #1 of 3Top 35%
📍 Minneapolis, MN: #3 of 351 inventorsTop 1%
🗺 Minnesota: #37 of 4,663 inventorsTop 1%
Overall (2004): #4,285 of 270,089Top 2%
7
Patents 2004

Issued Patents 2004

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6831271 Method for separation and enrichment of isotopes in gaseous phase Roger Guevremont, Randy Purves 2004-12-14
6799355 Apparatus and method for tandem ICP/FAIMS/MS Roger Guevremont, Randy Purves, Gholamreza Javahery, William R. Stott 2004-10-05
6787765 FAIMS with non-destructive detection of selectively transmitted ions Roger Guevremont, Randy Purves 2004-09-07
6774360 FAIMS apparatus and method using carrier gas of mixed composition Roger Guevremont, Randy Purves 2004-08-10
6753522 FAIMS apparatus having plural ion inlets and method therefore Roger Guevremont, Randy Purves 2004-06-22
6713758 Spherical side-to-side FAIMS Roger Guevremont, Randy Purves 2004-03-30
6703609 Tandem FAIMS/ion-trapping apparatus and method Roger Guevremont, Randy Purves 2004-03-09