DW

David G. Welkie

PS Perkinelmer Health Sciences: 21 patents #4 of 237Top 2%
AB Analytica Of Branford: 9 patents #5 of 27Top 20%
PE Perkinelmer: 4 patents #63 of 671Top 10%
PI Perkinelmer Instruments: 1 patents #16 of 36Top 45%
📍 Trumbull, CT: #18 of 533 inventorsTop 4%
🗺 Connecticut: #885 of 34,797 inventorsTop 3%
Overall (All Time): #98,041 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
7043406 Apparatus and methods for reduction of coherent noise in a digital signal averager Craig M. Whitehouse 2006-05-09
7034292 Mass spectrometry with segmented RF multiple ion guides in various pressure regions Craig M. Whitehouse, Gholamreza Javahery, Lisa Cousins 2006-04-25
6919562 Fragmentation methods for mass spectrometry Craig M. Whitehouse, Gholamreza Javahery, Lisa Cousins, Sergey Rakov 2005-07-19
6872941 Charged particle trapping in near-surface potential wells Craig M. Whitehouse 2005-03-29
6683301 Charged particle trapping in near-surface potential wells Craig M. Whitehouse 2004-01-27
6180942 Ion detector, detector array and instrument using same David H. Tracy, Adam Patkin, Michael I. Crockett 2001-01-30
6080985 Ion source and accelerator for improved dynamic range and mass selection in a time of flight mass spectrometer Dar Bahatt 2000-06-27
6043488 Carrier gas separator for mass spectroscopy Dar Bahatt 2000-03-28
4661702 Primary ion beam raster gating technique for secondary ion mass spectrometer system 1987-04-28
4659899 Vacuum-compatible air-cooled plasma device Robert L. Gerlach 1987-04-21