Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006311 | Monitoring performance of a treating agent added to a body of water | Rodney H. Banks | 1991-04-09 |
| 4992380 | Continuous on-stream monitoring of cooling tower water | Barbara E. Moriarty, James J. Hickey, Wayne H. Hoy, Donald A. Johnson | 1991-02-12 |
| 4973428 | Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom | Donald A. Johnson, Dodd W. Fong, Guy A. Crucil | 1990-11-27 |
| 4966711 | Transition metals as treatment chemical tracers | Rodney H. Banks, Donald A. Johnson | 1990-10-30 |
| 4963267 | Stabilization of manganese in aqueous systems | Kenneth P. Fivizzani, Barbara E. Fair | 1990-10-16 |
| 4929425 | Cooling water corrosion inhibition method | Donald A. Johnson, Dodd W. Fong, James F. Kneller | 1990-05-29 |
| 4923634 | Cooling water corrosion inhibition method | Donald A. Johnson, Dodd W. Fong, James F. Kneller | 1990-05-08 |
| 4919821 | Modified maleic anhydride polymers and the like for use as scale inhibitors | Dodd W. Fong, Donald A. Johnson, James F. Kneller | 1990-04-24 |
| 4904413 | Cooling water corrosion control method and composition | Donald A. Johnson | 1990-02-27 |
| 4898686 | Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom | Donald A. Johnson, Dodd W. Fong, Guy A. Crucil | 1990-02-06 |
| 4869828 | Stabilization of iron in aqueous systems | Kenneth P. Fivizzani, Roy I. Kaplan | 1989-09-26 |
| 4801388 | Modified acrylamide polymers used as scale inhibitors | Dodd W. Fong, Donald A. Johnson | 1989-01-31 |
| 4783314 | Fluorescent tracers - chemical treatment monitors | Barry E. Hunt | 1988-11-08 |
| 4756881 | Composition of corrosion inhibitors for cooling water systems using chemically modified acrylamide or methacrylamide polymers | Donald A. Johnson, Dodd W. Fong | 1988-07-12 |
| 4752443 | Cooling water corrosion inhibition method | Donald A. Johnson, Dodd W. Fong, James F. Kneller | 1988-06-21 |
| 4744949 | Method for preventing corrosion in aqueous systems | Guy A. Crucil, Ellen L. Johnson | 1988-05-17 |