Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863076 | Particulate material feeder utilizing vibration and aeration | James E. Henry, Harold M. Keener | 1989-09-05 |
| 4676733 | Method for producing a clean heated fluid | Harold M. Keener, James E. Henry | 1987-06-30 |
| 4671251 | Fluidized bed combustor | Harold M. Keener, James E. Henry | 1987-06-09 |
| 4372053 | Dryer for particulate material | Glenn E. Hall | 1983-02-08 |
| 4255052 | Method of generating nitrogen for flameless emission spectroscopy | — | 1981-03-10 |
| 4225235 | Sample introduction system for flameless emission spectroscopy | Robert M. Studholme | 1980-09-30 |