Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923571 | Apparatus and method for automatic congruent control of multiple boilers sharing a common feedwater line and chemical feed point | John Gunther, Haiwen Chen | 1999-07-13 |
| 5147604 | Dioxo-aromatic compounds as oxygen scavengers | Stanley J. Ciuba | 1992-09-15 |
| 5141716 | Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers | Nancy Feldman | 1992-08-25 |
| 5019342 | Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers | Nancy Feldman | 1991-05-28 |
| 4905721 | Monitoring and controlling AVT (all volatile treatment) and other treatment programs for high pressure boilers via the conductivity control method | — | 1990-03-06 |
| 4883566 | Electrode assembly for in-situ measurement of electrolytic conductivity of boiler water | Nancy Feldman | 1989-11-28 |
| 4827959 | Monitoring and controlling AVT (all volatile treatment) and other treatment programs for high pressure boilers via the conductivity control method | — | 1989-05-09 |
| 4728497 | Use of aminophenol compounds as oxygen scavengers in an aqueous medium | — | 1988-03-01 |
| 4569783 | Hydroquinone catalyzed oxygen scavenger and methods of use thereof | — | 1986-02-11 |
| 4549968 | Method of utilizing improved stability oxygen scavenger compositions | — | 1985-10-29 |
| 4541932 | Hydroquinone catalyzed oxygen scavenger and methods of use thereof | — | 1985-09-17 |
| 4487708 | Hydroquinone oxygen scavenger for use in aqueous mediums | — | 1984-12-11 |
| 4289645 | Hydroquinone and mu-amine compositions | — | 1981-09-15 |
| 4279767 | Use of improved hydroquinone oxygen scavenger in aqueous mediums | — | 1981-07-21 |