HD

Humphrey John Jardine Drummond

UG Usf Filtration And Separations Group: 5 patents #15 of 60Top 25%
ME Memtec: 1 patents #14 of 36Top 40%
ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Perth, GB: #3 of 42 inventorsTop 8%
Overall (All Time): #761,022 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6202475 Predicting logarithmic reduction values Michael R. L. Selbie, Warren Thomas Johnson 2001-03-20
6159373 Cleaning of hollow fibre membranes Thomas William Beck, Matthew B. Lee, Clint Kopp, Warren Thomas Johnson 2000-12-12
6077435 Filtration monitoring and control system Thomas William Beck, Ian Andrew Maxwell, Warren Thomas Johnson, Brett Kensett-Smith 2000-06-20
5918264 Fiber monitoring system Todd Kenneth Arlon Fischer, Michael R. L. Selbie 1999-06-29
5863400 Electrochemical cells Thomas William Beck 1999-01-26
5620891 Biological reaction processes Clinton V. Kopp, Paul Soo-Hock KHOO, Warren Johnson, Aloke Vaid 1997-04-15
4891102 Method of determining carbon dioxide in the presence of oxygen Wyndham J. Albery, Anthony J. M. Coombs, Clive Hahn 1990-01-02