Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425387 | Separator for a lead storage battery | — | 2008-09-16 |
| 6124059 | Separator for sealed lead accumulators | Jörg Deiters, Klaus Heinrich Ihmels, Jurgen Ruhoff | 2000-09-26 |
| 6120939 | Meltblown fiber battery separator | J. Kevin Whear, Eric Peters | 2000-09-19 |
| 5776630 | Separator with longitudinal and transverse ribs for use in accumulators | — | 1998-07-07 |
| 5773079 | Process for repairing battery separators | Klaus Heinrich Ihmels, Karsten Fischer, Jurgen Ruhoff | 1998-06-30 |
| 5221587 | Lead/sulphuric acid storage battery | Christian Radel | 1993-06-22 |
| 4927722 | Separator for starter batteries | Werner Lindenstruth | 1990-05-22 |