Inventor · disambiguated record
Warren Thomas Johnson
Also filed as: JOHNSON WARREN · JOHNSON WARREN T · JOHNSON WARREN THOMAS
26 granted patents·18 pending applications·1,547 citations·filing 1995–2014
97Inventor score
Files withJOHNSON WARREN THOMAS8US FILTER WASTEWATER GROUP INC7USF FILTRATION & SEPARATIONS7SIEMENS WATER TECH CORP5SIEMENS INDUSTRY INC4
Top patents by PatentIndex Score
44 records- 0198US7344645B2Methods of minimising the effect of integrity loss in hollow fibre membrane modulesSIEMENS WATER TECH CORP·Filed 2006·Granted Mar 18, 2008·59 cites·1 claims
- 0298US6555005B1Scouring methodUSF FILTRATION & SEPARATIONS·Filed 1999·Granted Apr 29, 2003·172 cites·23 claims
- 0398US6156200AGas-scrubbed hollow fiber membrane moduleUSF FILTRATION & SEPARATIONS·Filed 1998·Granted Dec 5, 2000·201 cites·5 claims
- 0497US7708887B2Combination membrane/biolytic filtrationSIEMENS WATER TECH CORP·Filed 2006·Granted May 4, 2010·47 cites·21 claims
- 0597US6969465B2Scouring methodUS FILTER WASTEWATER GROUP INC·Filed 2002·Granted Nov 29, 2005·75 cites·10 claims
- 0696US7160463B2Methods of minimizing the effect of integrity loss in hollow fibre membrane modulesUS FILTER WASTEWATER GROUP INC·Filed 2004·Granted Jan 9, 2007·79 cites·7 claims
- 0796US6077435AFiltration monitoring and control systemUSF FILTRATION & SEPARATIONS·Filed 1996·Granted Jun 20, 2000·223 cites·28 claims
- 0895US7862719B2Square membrane manifold systemSIEMENS WATER TECH CORP·Filed 2005·Granted Jan 4, 2011·56 cites·22 claims
- 0995USD462699SManifold header capUSF FILTRATION & SEPARATIONS·Filed 2000·Granted Sep 10, 2002·82 cites·1 claims
- 1094USD478913SManifold headerUSF FILTRATION & SEPARATIONS·Filed 2000·Granted Aug 26, 2003·76 cites·1 claims
- 1193US7264716B2Membrane filtration manifold systemSIEMENS WATER TECH CORP·Filed 2003·Granted Sep 4, 2007·70 cites·20 claims
- 1293US6202475B1Predicting logarithmic reduction valuesUSF FILTRATION & SEPARATIONS·Filed 1999·Granted Mar 20, 2001·113 cites·4 claims
- 1392US6872305B2Membrane filtration systemUS FILTER WASTEWATER GROUP INC·Filed 2003·Granted Mar 29, 2005·71 cites·14 claims
- 1491US7018533B2High solids moduleUS FILTER WASTEWATER GROUP INC·Filed 2004·Granted Mar 28, 2006·57 cites·6 claims
- 1588US7938966B2Backwash methodSIEMENS WATER TECH CORP·Filed 2003·Granted May 10, 2011·47 cites·25 claims
- 1686US6159373ACleaning of hollow fibre membranesUSF FILTRATION & SEPARATIONS·Filed 1995·Granted Dec 12, 2000·85 cites·9 claims
- 1783US8506806B2Methods and apparatus for removing solids from a membrane moduleBECK THOMAS WILLIAM·Filed 2005·Granted Aug 13, 2013·12 cites·4 claims
- 1881US8048306B2Scouring methodSIEMENS INDUSTRY INC·Filed 2005·Granted Nov 1, 2011·5 cites·24 claims
- 1971US9764288B2Membrane module protectionSIEMENS INDUSTRY INC·Filed 2013·Granted Sep 19, 2017·2 cites·19 claims
- 2064US8858796B2Assembly for water filtration using a tube manifold to minimise backwashCOX DAVID JOHN·Filed 2006·Granted Oct 14, 2014·2 cites·15 claims
- 2163US8377305B2Continuously variable aerationSIEMENS INDUSTRY INC·Filed 2005·Granted Feb 19, 2013·2 cites·14 claims
- 2262US8182687B2Methods of minimising the effect of integrity loss in hollow fibre membrane modulesBECK THOMAS WILLIAM·Filed 2008·Granted May 22, 2012·1 cites·4 claims
- 2361US8894858B1Method and assembly for water filtration using a tube manifold to minimize backwashEVOQUA WATER TECHNOLOGIES LLC·Filed 2014·Granted Nov 25, 2014·0 cites·22 claims
- 2459US8496828B2Cleaning in membrane filtration systemsJOHNSON WARREN THOMAS·Filed 2005·Granted Jul 30, 2013·2 cites·20 claims
- 2557US2013299411A1Methods and apparatus for removing solids from a membrane moduleSIEMENS INDUSTRY INC·Filed 2013·Application pending·0 cites
- 2654US8268176B2BackwashJOHNSON WARREN THOMAS·Filed 2004·Granted Sep 18, 2012·5 cites·24 claims
- 2754US2009107916A1Module cleaning methodJOHNSON WARREN THOMAS·Filed 2008·Application pending·0 cites
- 2853US2006000775A1Scouring methodUS FILTER WASTEWATER GROUP INC·Filed 2005·Application pending·0 cites
- 2952US8808540B2Module cleaning methodJOHNSON WARREN THOMAS·Filed 2004·Granted Aug 19, 2014·3 cites·33 claims
- 3049US2013334136A1Cleaning in membrane filtration systemsJOHNSON WARREN THOMAS·Filed 2013·Application pending·0 cites
- 3148US2010051545A1Membrane module protectionJOHNSON WARREN THOMAS·Filed 2008·Application pending·0 cites
- 3248US2010012585A1Membrane filtration process and designZHA FUFANG·Filed 2008·Application pending·0 cites
- 3348US2010025320A1Backwash and cleaning methodJOHNSON WARREN THOMAS·Filed 2008·Application pending·0 cites
- 3447US2004168979A1Scouring methodFiled 2004·Application pending·0 cites
- 3547US2004145076A1Scouring methodFiled 2004·Application pending·0 cites
- 3646US2004084369A1Scouring methodUS FILTER WASTEWATER GROUP INC·Filed 2003·Application pending·0 cites
- 3746US2003178365A1Scouring methodFiled 2003·Application pending·0 cites
- 3845US2008257822A1Reduced Backwash Volume ProcessJOHNSON WARREN THOMAS·Filed 2006·Application pending·0 cites
- 3944US2004178154A1Scouring methodPALL FILTRATION AND SEPARATION·Filed 2004·Application pending·0 cites
- 4044US2004232076A1Scouring methodFiled 2004·Application pending·0 cites
- 4144US2007056905A1Continuous pressure decay testBECK THOMAS W·Filed 2005·Application pending·0 cites
- 4244US2007034569A1Backwash and cleaning methodUS FILTER WASTEWATER GROUP INC·Filed 2004·Application pending·0 cites
- 4341US2008110504A1Manifold system for filtration modulesJOHNSON WARREN·Filed 2006·Application pending·0 cites
- 4441US2002148767A1Membrane filtration manifold systemFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →