Patents
ZPower possesses an impressive U.S. and worldwide intellectual property portfolio with 25 granted patents and 36 pending. The list of United States patents is as follows:
List of US Patents
| Title | USPTO No. | Date of Issue |
|---|---|---|
| Multiple Plateau Battery Charging Method and System to Fully Charge to the First Plateau | 6,459,243 | 10/01/02 |
| Battery With Edge Seal | 6,489,054 | 12/03/02 |
| Multiple Plateau Battery Charging Method and System to Fully Charge to the Second Plateau | 6,522,102 | 02/18/03 |
| Battery Separator with Sulfide-Containing Inorganic Salt | 6,541,160 | 04/01/03 |
| Battery Separator with Copper-Containing Inorganic Salt | 6,558,849 | 05/06/03 |
| Anode Matrix | 6,582,851 | 06/24/03 |
| Battery Vent and Method of Assembly | 6,641,949 | 11/04/03 |
| Battery Separator with Fluoride-Containing Inorganic Salt | 6,682,854 | 01/27/04 |
| Recombinant Separator | 6,733,920 | 05/11/04 |
| Rechargeable Alkali-Zinc Battery | 6,743,548 | 06/01/04 |
| Battery Holder | 6,806,681 | 10/19/04 |
| Method for Treating Titanium to Electroplating | 6,884,542 | 04/26/05 |
| Method for manufacture of films containing insoluble solids embedded in cellulose-based films | 6,929,884 | 08/16/05 |
| Battery Charging System | 6,943,529 | 09/13/05 |
| Battery Charging System | 6,943,530 | 09/13/05 |
| Recombinant Separator | 7,029,792 | 04/16/06 |
| Battery Charging System | 7,218,076 | 05/15/07 |