Issued Patents 1994
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336380 | Method of monitoring major constituents in plating baths | Nguyet H. Phan, Vilambi NRK Reddy, Frank A. Ludwig | 1994-08-09 |
| 5324400 | Electrode preconditioning method for a plating bath monitoring process | Nguyet H. Phan, Frank A. Ludwig, Vilambi NRK Reddy | 1994-06-28 |
| 5324399 | Method and system for monitoring quality of phosphate coating | Frank A. Ludwig | 1994-06-28 |
| 5320724 | Method of monitoring constituents in plating baths | Frank A. Ludwig, Nguyet H. Phan, Vilambi NRK Reddy | 1994-06-14 |
| 5298132 | Method for monitoring purification treatment in plating baths | Vilambi NRK Reddy, Frank A. Ludwig, Nguyet H. Phan | 1994-03-29 |
| 5298129 | Method of selectively monitoring trace constituents in plating baths | — | 1994-03-29 |
| 5298131 | Method of monitoring metal ion content in plating baths | Frank A. Ludwig, Nguyet H. Phan, Vilambi NRK Reddy | 1994-03-29 |
| 5296124 | Method of in-situ formation of a stable reference electrode for in-tank plating bath analysis | Vilambi NRK Reddy, Frank A. Ludwig, Nguyet H. Phan | 1994-03-22 |
| 5296123 | In-tank electrochemical sensor | Vilambi NRK Reddy, Frank A. Ludwig, Nguyet H. Phan | 1994-03-22 |
| 5287060 | In-tank conductivity sensor | Vilambi NRK Reddy, Frank A. Ludwig, Nguyet H. Phan | 1994-02-15 |