Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475394 | Pseudo-fouling detector and use thereof to control an industrial water process | Kun Xiong, Gary L. Horacek, Robert L. Wetegrove | 2002-11-05 |
| 6440689 | Measurement of microbiological activity in an opaque medium | Nancy L. Casselman, Mita Chattoraj, Ronald V. Davis, Michael Fehr, Sasireka S. Ramesh +1 more | 2002-08-27 |
| 6023070 | System and method to monitor for fouling | Robert L. Wetegrove | 2000-02-08 |
| 5919707 | Monitoring of rolling oil emulsions | Charles C. Payne | 1999-07-06 |
| 5382331 | Method and apparatus for inline electrochemical monitoring and automated control of oxidizing or reducing agents in water systems | — | 1995-01-17 |
| 5264917 | Monitoring of film formers | Robert L. Wetegrove | 1993-11-23 |
| 5236845 | On-line iron (II) concentration monitoring to continuously determine corrosion in boiler systems | Claudia C. Pierce, Roger W. Fowee | 1993-08-17 |
| 5200106 | Compositions comprising transition metals for treating and monitoring liquid systems | John E. Hoots, Donald A. Johnson | 1993-04-06 |
| 5185533 | Monitoring film fouling in a process stream with a transparent shunt and light detecting means | Robert Wetegrove | 1993-02-09 |
| 5155555 | Monitoring of film formers | Robert L. Wetegrove | 1992-10-13 |
| 5132096 | Monitoring performance of a water treating agent by measuring and resolving optical voltage analogs | John E. Hoots | 1992-07-21 |
| 5006311 | Monitoring performance of a treating agent added to a body of water | John E. Hoots | 1991-04-09 |
| 4976871 | Method of monitoring flocculant effectiveness | Jitendra Shah | 1990-12-11 |
| 4966711 | Transition metals as treatment chemical tracers | John E. Hoots, Donald A. Johnson | 1990-10-30 |
| 4814060 | Ion selective electrodes and method of making such electrodes | — | 1989-03-21 |