Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12126014 | Alkaline electrochemical cells comprising increased zinc oxide levels | Robert P. Johnson, Weiwei Huang, Zhufang Liu, Steven J. Limmer | 2024-10-22 |
| 11450847 | Alkaline electrochemical cells comprising increased zinc oxide levels | Robert P. Johnson, Weiwei Huang, Zhufang Liu, Steven J. Limmer | 2022-09-20 |
| 8268468 | Battery can having off-center vent | John C. Stearns, Richard L. Bouffard, Walter B. Ebner, John O'Halloran, R. Justin Begg | 2012-09-18 |
| 8158280 | Battery container having cruciform vent and cover | John C. Stearns, Walter B. Ebner, Richard L. Bouffard, R. Justin Begg | 2012-04-17 |
| 8076015 | Battery cell with improved pressure relief vent | Richard L. Bouffard, Peter M. Lewis, Huaxin Li, Paul R. Elsdon, Jr., Richard J. Sosnovich, Jr. +2 more | 2011-12-13 |
| 7875376 | Battery can having off-center C-shaped vent | John C. Stearns, Richard L. Bouffard, Walter B. Ebner, John O'Halloran, R. Justin Begg | 2011-01-25 |
| 7572545 | Battery can having vent and asymmetric welded cover | R. Justin Begg | 2009-08-11 |
| 7195839 | Battery cell with improved pressure relief vent | Richard L. Bouffard, Peter M. Lewis, Huaxin Li, Paul R. Elsdon, Jr., Richard J. Sosnovich, Jr. +2 more | 2007-03-27 |
| 7122270 | Electrochemical cell having venting current collector and seal assembly | James X. Wu | 2006-10-17 |
| 6878486 | Seal for electrochemical cell | Mark A. Schubert | 2005-04-12 |
| 6861174 | Electrochemical cell with low volume cover assembly | James X. Wu | 2005-03-01 |
| 6855454 | Electrochemical cell having venting current collector and seal assembly | James X. Wu | 2005-02-15 |
| 6759162 | Increased volume electrochemical cell | William R. Bennett, Diana Dreher | 2004-07-06 |
| 6468691 | Electrochemical cell with improved gasket and seal | Manuel R. Malay | 2002-10-22 |
| 6427302 | Crimping die employing powered chuck | Raymond W. Piantoni | 2002-08-06 |
| 6256853 | Crimping die employing powered chuck | Raymond W. Piantoni | 2001-07-10 |
| 6080283 | Plasma treatment for metal oxide electrodes | — | 2000-06-27 |
| 5388109 | Data communications device with resident link adapter | Dean Y. Hodge, Terry Herbster, Fred C. Killmeyer | 1995-02-07 |
| 5148435 | Testable modem and data communications network | Dean Y. Hodge | 1992-09-15 |