Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8103479 | Two dimensional exponential smoothing | — | 2012-01-24 |
| 7395164 | Exponential smoothing of aperiodically measured values with staleness reporting | — | 2008-07-01 |
| 5078595 | Carbon flue wall and method of making | Howard L. Roenigk | 1992-01-07 |
| 4975049 | Refractory block for rotary kiln | Howard L. Roenigk, Richard C. Lipp | 1990-12-04 |