Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013599 | Methods and mixtures for treating distressed trees | Peter Martin | 2006-03-21 |
| 6772775 | Sootblower mechanism providing varying lance rotational speed | Dean C. Ackerman, Clinton A. Brown, James H. Hipple, Kamal E. Kassouf | 2004-08-10 |
| 5405212 | Paving machine with drop-then-stop dowel bar insertion | George W. Swisher, Jr. | 1995-04-11 |
| 5318377 | Paving machine with midline dowel bar insertion | George W. Swisher, Jr. | 1994-06-07 |
| 5267533 | Self-adjusting packing gland for sootblower | — | 1993-12-07 |
| 5090087 | Hub assembly for sootblower | James H. Hipple, Steven P. Carpenter, Jesse C. Johnston, Jr. | 1992-02-25 |
| 5070823 | Port rodder with anti-drift feature | Dean C. Ackerman, Francis L. Brown, James H. Hipple | 1991-12-10 |
| 4995758 | Center bar inserter | — | 1991-02-26 |
| 4803959 | Indexing sootblower | Ronald E. Sherrick, Dean C. Ackerman, Dean Draxton, John C. Matthews, John G. Stevens | 1989-02-14 |
| 4744630 | Panel indicator | James H. Hipple | 1988-05-17 |
| 4633711 | Local display technique for fiber optic illuminator/hood system | James H. Hipple, Neil E. Reed | 1987-01-06 |
| 4351082 | Oscillating soot blower mechanism | Dean C. Ackerman | 1982-09-28 |