Simmons; Donald K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Simmons; Donald K..The latest application filed is for "membrane made of a blend of uhmw polyolefins".
- Simmons; Donald K. - Fayetteville GA
- Simmons; Donald K. - Charlotte NC
| Patent | Date |
|---|---|
| Membrane Made Of A Blend Of Uhmw Polyolefins App 20210013477 - Simmons; Donald K. ; et al. | 2021-01-14 |
| Membrane made of a blend of UHMW polyolefins Grant 10,790,491 - Simmons , et al. September 29, 2 | 2020-09-29 |
| Membrane made of a blend of UHMW polyolefins Grant 10,615,388 - Simmons , et al. | 2020-04-07 |
| Multilayer Battery Separators App 20180134024 - Call; Ronald W.. ; et al. | 2018-05-17 |
| Multilayer battery separators Grant 9,908,317 - Call , et al. March 6, 2 | 2018-03-06 |
| Battery separator with Z-direction stability Grant 9,570,727 - Zhang , et al. February 14, 2 | 2017-02-14 |
| Membrane Made Of A Blend Of Uhmw Polyolefins App 20160043372 - Simmons; Donald K. ; et al. | 2016-02-11 |
| Battery separator with Z-direction stability Grant 7,790,320 - Arora , et al. September 7, 2 | 2010-09-07 |
| Battery Separator With Z-Direction Stability App 20080268345 - Zhang; Zhengming ; et al. | 2008-10-30 |
| Membrane made of a blend of UHMW polyolefins App 20070221567 - Simmons; Donald K. ; et al. | 2007-09-27 |
| Multilayer Battery Separators App 20070207376 - Call; Ronald W. ; et al. | 2007-09-06 |
| Battery Separator With Z-direction Stability App 20070105019 - Arora; Pankaj ; et al. | 2007-05-10 |
| Battery separator with Z-direction stability App 20060088769 - Arora; Pankaj ; et al. | 2006-04-27 |
| Method of making a composite microporous membrane App 20050202163 - Nguyen, Khuy V. ; et al. | 2005-09-15 |
| Battery separator Grant 6,921,608 - Call , et al. July 26, 2 | 2005-07-26 |
| Explosion-proof separator for Li-ion secondary batteries App 20050031941 - Zhang, Zhengming ; et al. | 2005-02-10 |
| Explosion-proof separator for Li-ion secondary batteries App 20040086782 - Zhang, Zhengming ; et al. | 2004-05-06 |
| Battery separator-pin removal Grant 6,692,867 - Nark , et al. February 17, 2 | 2004-02-17 |
| Diffusion membrane App 20030104236 - Nguyen, Khuy V. ; et al. | 2003-06-05 |
| Battery separator App 20030099877 - Call, Ronald W. ; et al. | 2003-05-29 |
| Battery separator - pin removal App 20030072995 - Nark, Robert A. ; et al. | 2003-04-17 |
| Multilayer battery separators App 20020136945 - Call, Ronald W. ; et al. | 2002-09-26 |
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