Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462739 | Dry pulverized solid material pump | John W. Meyer, John H. Bonin | 1984-07-31 |
| 4439200 | Single stage high pressure centrifugal slurry pump | John W. Meyer, John H. Bonin | 1984-03-27 |
| 4422809 | Coal pump | John H. Bonin, John W. Meyer | 1983-12-27 |
| 4376608 | Kinetic extruder - a dry pulverized solid material pump | John W. Meyer, John H. Bonin | 1983-03-15 |
| 4362441 | Means and apparatus for throttling a dry pulverized solid material pump | John W. Meyer, John H. Bonin | 1982-12-07 |