KW Powersource, Inc.
Records under this name other than patents KW Powersource, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to KW Powersource, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,396,880 | Method and apparatus for charging a battery Term ended Term ended no later than Aug 2, 2003 · Low confidence | Term ended | Term ended no later than Aug 2, 2003 | Low confidence |
| US 4,433,294 | Method and apparatus for testing a battery Term ended Term ended no later than Feb 21, 2004 · Low confidence | Term ended | Term ended no later than Feb 21, 2004 | Low confidence |
| US 4,678,730 | Tubular plate electrode slurry filling process and apparatus for lead-acid cells Term ended Term ended no later than Jul 7, 2007 · Low confidence | Term ended | Term ended no later than Jul 7, 2007 | Low confidence |
| US 4,716,944 | Tubular plate electrode slurry filling process and apparatus for lead-acid cells Term ended Term ended no later than Jan 5, 2008 · Low confidence | Term ended | Term ended no later than Jan 5, 2008 | Low confidence |
| US 4,855,196 | Multilaminate material and separator assembly for electrochemical cells Term ended Term ended no later than Aug 8, 2009 · Low confidence | Term ended | Term ended no later than Aug 8, 2009 | Low confidence |