Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12288897 | Absorbent glass mat battery | Frank-Thomas Johns, Uwe Bitomsky, Andreas Dudenbostel, Kavi G. Loganathan, Qingfang Shi +1 more | 2025-04-29 |
| 12278352 | Methods for purifying and recycling lead from spent lead-acid batteries | — | 2025-04-15 |
| 12266783 | Negative mass for lead-acid battery electrodes and lead-acid battery including same | Frank-Thomas Johns, Cornelia Brendel, Kavi G. Loganathan | 2025-04-01 |
| 11936032 | Absorbent glass mat battery | Frank-Thomas Johns, Uwe Bitomsky, Andreas Dudenbostel, Kavi G. Loganathan, Qingfang Shi +1 more | 2024-03-19 |
| 11923518 | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries | Eberhard Meissner, Juergen Bauer | 2024-03-05 |
| 11870096 | Absorbent glass mat battery | Frank-Thomas Johns, Uwe Bitomsky, Andreas Dudenbostel, Kavi G. Loganathan, Qingfang Shi +1 more | 2024-01-09 |
| 11791505 | Methods for purifying and recycling lead from spent lead-acid batteries | — | 2023-10-17 |
| 11411280 | Absorbent glass mat battery | Frank-Thomas Johns, Uwe Bitomsky, Andreas Dudenbostel, Kavi G. Loganathan, Qingfang Shi +1 more | 2022-08-09 |
| 11005129 | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries | Eberhard Meissner, Jürgen Bauer | 2021-05-11 |
| 10777858 | Methods for purifying and recycling lead from spent lead-acid batteries | — | 2020-09-15 |
| 10403940 | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries | Eberhard Meissner, Jürgen Bauer | 2019-09-03 |
| 10122052 | Systems and methods for purifying and recycling lead from spent lead-acid batteries | Patrick Michael Curran | 2018-11-06 |
| 10062933 | Hydrometallurgical electrowinning of lead from spent lead-acid batteries | — | 2018-08-28 |
| 9757702 | Systems and methods for purifying and recycling lead from spent lead-acid batteries | Patrick Michael Curran | 2017-09-12 |
| 9751067 | Methods for purifying and recycling lead from spent lead-acid batteries | — | 2017-09-05 |
| 9670565 | Systems and methods for the hydrometallurgical recovery of lead from spent lead-acid batteries and the preparation of lead oxide for use in new lead-acid batteries | — | 2017-06-06 |
| 9660306 | Systems and methods for selectively separating and separately processing portions of lead-acid batteries | Patrick Michael Curran, Eberhard Meissner | 2017-05-23 |
| 9555386 | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries | Eberhard Meissner, Jürgen Bauer | 2017-01-31 |
| 9533273 | Systems and methods for isolating a particulate product when recycling lead from spent lead-acid batteries | Eberhard Meissner, Patrick Michael Curran | 2017-01-03 |