FL

Frederick K. Lesan

KS Koch Membrane Systems: 3 patents #7 of 39Top 20%
TI Toray Industries: 3 patents #932 of 3,690Top 30%
Overall (All Time): #733,366 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9795925 Seal plate for membrane separation device Nicholas Kordani 2017-10-24
9381469 Radial split ring seal for filtration systems Curtis J. Elwell, Victor Verbeek, Peter F. Metcalfe 2016-07-05
8758489 Radial split ring seal for filtration systems Curtis J. Elwell, Victor Verbeek, Peter F. Metcalfe 2014-06-24
8728213 Radial split ring seal for filtration systems Curtis J. Elwell, Victor Verbeek, Peter J. Metcalfe 2014-05-20
7387731 Filtration element and method of constructing a filtration assembly David M. Colby, Alan M. Franks, Chang-Li Hsieh, Anjan Kumar Mukherjee 2008-06-17
7311830 Filtration element and method of constructing a filtration assembly David M. Colby, Alan M. Franks, Chang-Li Hsieh, Anjan Kumar Mukherjee 2007-12-25
7063789 Filtration element and method of constructing a filtration assembly David M. Colby, Alan M. Franks, Chang-Li Hsieh, Anjan Kumar Mukherjee 2006-06-20