DD

David G. Doman

QT Questair Technologies: 6 patents #4 of 35Top 15%
XA Xebec Adsorption: 1 patents #11 of 26Top 45%
Overall (All Time): #467,429 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7902114 Adsorbent coating compositions, laminates and adsorber elements Bowie G. Keefer, Alain Carel, Brian G. Sellars, Ian Shaw, Belinda Larisch +6 more 2011-03-08
RE40006 Flow regulated pressure swing adsorption system Bowie G. Keefer 2008-01-22
7094275 Modular pressure swing adsorption apparatus Bowie G. Keefer, Christopher R. McLean 2006-08-22
RE38493 Flow regulated pressure swing adsorption system Bowie G. Keefer 2004-04-13
6565635 Layered manifold pressure swing adsorption device and method Bowie G. Keefer, Matthew L. Babicki, Brian G. Sellars, Ian Parker, Alain Carel +1 more 2003-05-20
6451095 Modular pressure swing adsorption apparatus Bowie G. Keefer, Christopher R. McLean 2002-09-17
6406523 Rotary pressure swing adsorption apparatus Denis J. Connor, Les Jeziorowski, Bowie G. Keefer, Belinda Larisch, Christopher R. McLean +1 more 2002-06-18
6063161 Flow regulated pressure swing adsorption system Bowie G. Keefer 2000-05-16
6051050 Modular pressure swing adsorption with energy recovery Bowie G. Keefer 2000-04-18
4977817 Motion modifier method and apparatus 1990-12-18
4778554 Water based adhesive packaging apparatus and method 1988-10-18