Pratt; Barbara A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pratt; Barbara A..The latest application filed is for "anchor and seal system".
- Pratt; Barbara A. - Pearland TX
- Pratt; Barbara A. - Crystal Beach TX
| Patent | Date |
|---|---|
| Anchor and seal system Grant 10,808,494 - Xu , et al. October 20, 2 | 2020-10-20 |
| Anchor And Seal System App 20190376362 - XU; YingQing ; et al. | 2019-12-12 |
| Anchor and seal system Grant 10,435,970 - Xu , et al. O | 2019-10-08 |
| Flow activated valve Grant 10,246,971 - Doane , et al. | 2019-04-02 |
| Anchor And Seal System App 20180106119 - XU; Yingqing ; et al. | 2018-04-19 |
| Borehole Plug With Spiral Cut Slip And Integrated Sealing Element App 20180016864 - Parekh; Yash ; et al. | 2018-01-18 |
| Flow Activated Valve App 20170089175 - Doane; James C. ; et al. | 2017-03-30 |
| Disintegrating Compression Set Plug with Short Mandrel App 20160290093 - Doane; James C. ; et al. | 2016-10-06 |
| Disintegrating Compression Set Plug with Short Mandrel App 20160290092 - Doane; James C. ; et al. | 2016-10-06 |
| Body freshener Grant 5,311,616 - Pratt May 10, 1 | 1994-05-10 |
| Towel Grant D325,489 - Pratt April 21, 1 | 1992-04-21 |
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