Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7850832 | Porous non-asbestos separator and method of making same | Nick J. Tomba, Michael S. Moats, Thomas F. Florkiewicz, Douglas J. Waskovich, Edward S. Kazimir | 2010-12-14 |
| 6582571 | Diaphragm cell cathode structure | Thomas F. Florkiewicz, John J. Jahn, Gerald R. Pohto | 2003-06-24 |
| 6328860 | Diaphragm cell cathode busbar structure | Thomas F. Florkiewicz, John J. Jahn, Gerald R. Pohto | 2001-12-11 |
| 5942091 | Electrolytic cell sealing means | — | 1999-08-24 |
| 5498321 | Electrolysis cell diaphragm reclamation | Mark L. Arnold, James R. Brannan, Richard A. Kus | 1996-03-12 |
| 5137612 | Bonded busbar for diaphragm cell cathode | Robert B. Kubinski, L. Calvert Curlin, James W. Pyle | 1992-08-11 |
| 4834859 | Diaphragm cell cathode assembly | L. Calvert Curlin | 1989-05-30 |