Johnson; Warren T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Warren T..The latest application filed is for "membrane module protection".
- Johnson; Warren T. - Grose Wold AU
- Johnson; Warren T. - Bligh Park AU
- Johnson; Warren T. - Grose Vale AU
| Patent | Date |
|---|---|
| Membrane module protection Grant 9,764,288 - Johnson , et al. September 19, 2 | 2017-09-19 |
| Membrane Module Protection App 20130264251 - Johnson; Warren T. ; et al. | 2013-10-10 |
| Scouring method Grant 8,048,306 - Zha , et al. November 1, 2 | 2011-11-01 |
| Scouring method App 20060131234 - Zha; Fufang ; et al. | 2006-06-22 |
| Scouring method App 20060000775 - Zha; Fufang ; et al. | 2006-01-05 |
| Scouring method Grant 6,969,465 - Zha , et al. November 29, 2 | 2005-11-29 |
| Scouring method App 20040232076 - Zha, Fufang ; et al. | 2004-11-25 |
| Scouring method App 20040178154 - Zha, Fufang ; et al. | 2004-09-16 |
| Scouring method App 20040168979 - Zha, Fufang ; et al. | 2004-09-02 |
| Scouring method App 20040145076 - Zha, Fufang ; et al. | 2004-07-29 |
| Scouring method App 20040084369 - Zha, Fufang ; et al. | 2004-05-06 |
| Scouring method App 20030178365 - Zha, Fufang ; et al. | 2003-09-25 |
| Scouring method Grant 6,555,005 - Zha , et al. April 29, 2 | 2003-04-29 |
| Scouring method App 20020195390 - Zha, Fufang ; et al. | 2002-12-26 |
| Predicting logarithmic reduction values Grant 6,202,475 - Selbie , et al. March 20, 2 | 2001-03-20 |
| Gas-scrubbed hollow fiber membrane module Grant 6,156,200 - Zha , et al. December 5, 2 | 2000-12-05 |
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