Walker; David R.B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; David R.B..The latest application filed is for "porous coatings on adsorbent materials".
- Walker; David R.B. - Lansdale PA
- Walker; David R. B. - Charleston SC
| Patent | Date |
|---|---|
| Porous coatings on adsorbent materials App 20070122609 - Hiltzik; Laurence H. ; et al. | 2007-05-31 |
| Coated activated carbon for automotive emission control Grant 7,179,382 - Hiltzik , et al. February 20, 2 | 2007-02-20 |
| Colored activated carbon and method of preparation App 20050123763 - Hiltzik, Laurence H. ; et al. | 2005-06-09 |
| Coated activated carbon for contaminant removal from a fluid stream App 20050035062 - Hiltzik, Laurence H. ; et al. | 2005-02-17 |
| Method of making shaped activated carbon Grant 6,696,384 - McCrae , et al. February 24, 2 | 2004-02-24 |
| Coated activated carbon for contaminant removal from a fluid stream App 20030118823 - Hiltzik, Laurence H. ; et al. | 2003-06-26 |
| Coated activated carbon for automotive emission control App 20030082382 - Hiltzik, Laurence H. ; et al. | 2003-05-01 |
| Method of making shaped activated carbon App 20030020198 - McCrae, Peter D.A. ; et al. | 2003-01-30 |
| Method of making shaped activated carbon App 20030022787 - McCrae, Peter D.A. ; et al. | 2003-01-30 |
| Paperboard App 20020160179 - Marwah, Nipun ; et al. | 2002-10-31 |
| Shaped activated carbon Grant 6,472,343 - McCrae , et al. October 29, 2 | 2002-10-29 |
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