Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832813 | Pulsed counterflow extraction column | Edward J. Williamson, David Garrett, Francis Goodridge | 1989-05-23 |
| 4670116 | Purifying mixed-cation electrolyte | Francis Goodridge, Robert P. Leetham | 1987-06-02 |
| 4557812 | Purifying mixed-cation electrolyte | Francis Goodridge, Allen Richard Wright | 1985-12-10 |
| 4270995 | Electrochemical cell and process | Francis Goodridge | 1981-06-02 |
| 4236991 | Electrochemical cells | John R. Backhurst, Martin Fleischmann, Francis Goodridge | 1980-12-02 |
| 4206020 | Electrochemical process using a fluidized electrode | John R. Backhurst, Martin Fleischmann, Francis Goodridge | 1980-06-03 |