Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652006 | Fluid transfer device | — | 2003-11-25 |
| 5259930 | Method for operation of automated top head and stem guide assembly for coking drums | Richard J. Barker, James Hardy, Robert F. Lamm, Allen S. Malsbury | 1993-11-09 |
| 5092963 | Automated top head and stem guide assembly for coking drums | Richard J. Barker, James Hardy, Robert F. Lamm, Allen S. Malsbury | 1992-03-03 |
| 4960358 | Bottom-unheading device and method for vertical vessels | Alan J. Malsbury, Ronald T. Myszka | 1990-10-02 |