Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406813 | Lead-acid separators and cells and batteries using such separators | — | 2002-06-18 |
| 6351878 | Method for making positive grids and lead-acid cells and batteries using such grids | — | 2002-03-05 |
| 6180286 | Lead-acid cells and batteries | Thomas Uhlemann | 2001-01-30 |
| 5958625 | Positive lead-acid battery grids and cells and batteries using such grids | — | 1999-09-28 |
| 5874186 | Lead-acid cells and batteries | Thomas Uhlemann | 1999-02-23 |
| 5691087 | Sealed lead-acid cells and batteries | Thomas Uhlemann | 1997-11-25 |
| 5650242 | Antimony-arsenic-tin-selenium lead-based strap alloys for lead-acid batteries | Steven R. Larsen | 1997-07-22 |
| 5569552 | Lead-acid battery having a fluid compartment for reducing convection-induced heat transfer | Thomas Uhlemann, William H. Kump | 1996-10-29 |
| 5460900 | Lead-acid battery having a fluid compartment for reducing convection-induced heat transfer | Thomas Uhlemann, William H. Kump | 1995-10-24 |
| 5434025 | Battery grids and plates and lead-acid batteries made using such grids and plates | Thomas Uhlemann, John G. Larson, Steven R. Larsen | 1995-07-18 |
| 5352549 | Lead oxide composition for use in lead-acid batteries | Frederick L. Marsh | 1994-10-04 |
| 5348817 | Bipolar lead-acid battery | Jing-Yih Cherng | 1994-09-20 |
| 5298350 | Calcium-tin-silver lead-based alloys, and battery grids and lead-acid batteries made using such alloys | — | 1994-03-29 |
| 5169734 | Antimony - arsenic-tin-selenium lead-based strap alloys for lead-acid batteries | Steven R. Larsen | 1992-12-08 |
| 5159272 | Monitoring device for electric storage battery and configuration therefor | William H. Kump, Benny E. Jay, Clarence W. Fowler | 1992-10-27 |
| 5126217 | Frame for modular, multicell lead-acid batteries and such modular batteries | — | 1992-06-30 |
| 4713304 | Method of preparing lead-acid battery plates and lead-acid batteries containing plates so prepared | Frederick L. Marsh | 1987-12-15 |
| 4456579 | Low antimony lead-based alloy and method | Wendy J. Nelson | 1984-06-26 |
| 4329408 | Lead oxide composition for use in lead-acid batteries | George W. Mao, Frederick L. Marsh, Francis M. Dunlevey | 1982-05-11 |