Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11912493 | De-icer scraper cap | Joseph K. Mathews, Robert Pivetz | 2024-02-27 |
| 11034915 | Cleaning compositions and methods for cleaning engine cooling systems | Joseph K. Mathews, David L. Balog, Peter M. Woyciesjes | 2021-06-15 |
| D818362 | De-icer scraper cap | Joseph K. Mathews, Robert Pivetz | 2018-05-22 |
| D813678 | Coolant additive package | — | 2018-03-27 |
| 9669965 | Chemical additive package | — | 2017-06-06 |
| D763086 | Coolant additive package | — | 2016-08-09 |
| 9394506 | Cleaning composition for hard surfaces | Colin Dilley, Joseph E. Matthews | 2016-07-19 |
| 7854253 | Corrosion inhibitors, corrosion inhibiting heat transfer fluids, and the use thereof | Peter M. Woyciesjes, Aleksei V. Gershun, Filipe J. Marinho, Bo Yang | 2010-12-21 |
| 7662304 | Corrosion inhibitors, corrosion inhibiting heat transfer fluids, and the use thereof | Peter M. Woyciesjes, Aleksei V. Gershun, Filipe J. Marinho, Bo Yang | 2010-02-16 |