Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702631 | Aqueous corrosion inhibitor formulations | John J. Conville, Robert Chwalik, Shrikant V. DeSai, David E. Turcotte | 1997-12-30 |
| 5673733 | Engine coolant removal and refill method and device | David E. Turcotte, John J. Conville, Stephen M. Zeld, Daniel E. Coker | 1997-10-07 |
| 5649574 | Engine coolant removal and refill method and device | David E. Turcotte, John J. Conville, Stephen M. Zeld, Daniel E. Coker | 1997-07-22 |
| 5511590 | Engine coolant removal and refill method and device | David E. Turcotte, John J. Conville, Stephen M. Zeld, Daniel E. Coker | 1996-04-30 |
| 5342537 | Rapid cooling system cleaning formulations | John J. Conville, David E. Turcotte; | 1994-08-30 |
| 5330670 | Glycol-based polycarboxylate-containing antifreeze coolant formulations | David E. Turcotte, John J. Conville, Richard J. Holland, Stanley T. Hirozawa | 1994-07-19 |
| 5320771 | Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting aluminum | David E. Turcotte, John J. Conville, Stanley T. Hirozawa, Shrikant V. DeSai | 1994-06-14 |
| 5290468 | Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications | David E. Turcotte, John J. Conville, Richard J. Holland, Stanley T. Hirozawa | 1994-03-01 |
| 5290467 | Polycarboxylate-containing antifreeze/coolant additive for resisting cavitation erosion-corrosion on aluminum | David E. Turcotte, John J. Conville, Shrikant V. DeSai, Stanley T. Hirozawa | 1994-03-01 |
| 5290469 | Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum | David E. Turcotte, John J. Conville, Stanley T. Hirozawa, Shrikant V. DeSai | 1994-03-01 |
| 5288419 | Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum | David E. Turcotte, John J. Conville, Shrikant V. DeSai, Stanley T. Hirozawa | 1994-02-22 |
| 5071582 | Coolant system cleaning solutions having silicate or siliconate-based corrosion inhibitors | John J. Conville, David E. Turcotte, Stanley T. Hirozawa, Shrikant V. DeSai, Daniel E. Coker | 1991-12-10 |