DS

David Silva

AR Ast Research: 6 patents #8 of 102Top 8%
Air Products And Chemicals: 5 patents #388 of 1,997Top 20%
Overall (All Time): #301,381 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7334595 Cabinet for chemical delivery with solvent purging and removal Charles Michael Birtcher, Martin Castaneda Martinez, Thomas Andrew Steidl, Gil Vivanco 2008-02-26
7290572 Method for purging a high purity manifold 2007-11-06
7198056 High purity chemical delivery system 2007-04-03
7198072 Purgeable manifold system 2007-04-03
7114522 Adapter manifold with dual valve block 2006-10-03
7114531 System and method for purging high purity interfaces 2006-10-03
6953047 Cabinet for chemical delivery with solvent purging Charles Michael Birtcher, Martin Castaneda Martinez, Thomas Andrew Steidl, Gil Vivanco 2005-10-11
6648034 Purgeable manifold for low vapor pressure chemicals containers Charles Michael Birtcher, Martin Castaneda Martinez, Thomas Andrew Steidl, Gil Vivanco 2003-11-18
6431229 Solventless purgeable diaphragm valved manifold for low vapor pressure chemicals Charles Michael Birtcher, Robert Sam Zorich, Thomas Andrew Steidl, Gil Vivanco, Cynthia Lee Trent 2002-08-13
6341615 Self-cleaning vacuum purge system Robert Sam Zorich 2002-01-29
5764488 Printed circuit board having a dual pattern footprint for receiving one of two component packages Mitchell G. Dorfmeyer 1998-06-09
5751557 Printed circuit board having a triple pattern footprint for receiving one of three component packages 1998-05-12
5682297 Dual pattern microprocessor package footprint 1997-10-28
5557505 Dual pattern microprocessor package footprint 1996-09-17
D365084 Solder pad for printed circuit boards Edward D. Suski, Glenn G. Miner 1995-12-12
5414223 Solder pad for printed circuit boards Edward D. Suski, Glenn G. Miner 1995-05-09