Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11133497 | Alkaline cell with improved discharge efficiency | M. Edgar Armacanqui, Wen Li, Donald Raymond Crowe, Andrew J. Roszkowski, John Hadley | 2021-09-28 |
| 9455440 | Alkaline cell with improved high rate capacity | M. Edgar Armacanqui, Wen Li, Andrew J. Roszkowski, John Hadley | 2016-09-27 |
| 9252430 | Alkaline cell with improved high rate capability | M. Edgar Armacanqui, Wen Li, Andrew J. Roszkowski, John Hadley | 2016-02-02 |
| 8980480 | Lithium primary cell | M. Edgar Armacanqui, Wen Li, John Hadley | 2015-03-17 |
| 6653016 | Extended temperature operating range electrochemical cells | Cecilia Maske, Gerald Sanden, Zhihong Jin, Patrick J. Spellman | 2003-11-25 |
| 6040088 | Sodium polyacrylate gelling agent for zinc gelled anode | Patricia S. Bennett, Kenneth H. Kenyon, Ronald J. Ekern, Josie B. Wieser | 2000-03-21 |
| 5770256 | Method of making an ionically permeable separator for a leclanche cell | Ronald J. Ekern, Miguel E. Armacanqui | 1998-06-23 |
| 5743000 | Method of making a reduced environmental hazard leclanche cell having improved performance | Ronald J. Ekern, Miguel E. Armacanqui | 1998-04-28 |
| 5686204 | Gelling agent for alkaline electrochemical cells | Patricia S. Bennett, Kenneth H. Kenyon, Alane M. Boutelle, Ronald J. Ekern, Randall L. Collien | 1997-11-11 |
| 5607796 | Rechargeable alkaline electrochemical cell | Robert J. Jacus | 1997-03-04 |
| 5605774 | Ionically permeable separator for leclanche cell | Ronald J. Ekern, Miguel E. Armacanqui | 1997-02-25 |
| 5604054 | Reduced environmental hazard LeClanche cell having improved performance ionically permeable separator | Ronald J. Ekern, Miguel E. Armacanqui | 1997-02-18 |