Holtz; James Ferguson
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holtz; James Ferguson.The latest application filed is for "stormwater filtration system with internal bypass pipe".
- Holtz; James Ferguson - Portland OR
| Patent | Date |
|---|---|
| Stormwater filtration system with internal bypass pipe Grant 11,420,880 - Holtz , et al. August 23, 2 | 2022-08-23 |
| Stormwater Filtration System with Internal Bypass Pipe App 20210070631 - Holtz; James Ferguson ; et al. | 2021-03-11 |
| Stormwater Management System with Internal Bypass App 20210024389 - Holtz; James Ferguson ; et al. | 2021-01-28 |
| Tree box filter with hydromodification panels Grant 10,696,573 - Holtz , et al. June 30, 2 | 2020-06-30 |
| Tree Box Filter with Hydromodification Panels App 20190039927 - Holtz; James Ferguson ; et al. | 2019-02-07 |
| Tree box filter with hydromodification panels Grant 10,118,846 - Holtz , et al. November 6, 2 | 2018-11-06 |
| Tree Box Filter with Hydromodification Panels App 20160176732 - Holtz; James Ferguson ; et al. | 2016-06-23 |
| Stormwater treatment system with two chamber treatment container and overflow tray App 20110186492 - Holtz; James Ferguson | 2011-08-04 |
| Stormwater treatment system with flow distribution overflow/bypass tray Grant 7,833,412 - Holtz November 16, 2 | 2010-11-16 |
| Stormwater treatment system with flow distribution overflow/bypass tray App 20100206790 - Holtz; James Ferguson | 2010-08-19 |
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