Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9377243 | High pressure steam injection heater assembly | — | 2016-06-28 |
| 8167278 | Angled diffuser and steam injection heater assembly | — | 2012-05-01 |
| 7152851 | Steam injection heater with dual-sealing assembly | — | 2006-12-26 |
| 7025338 | Seal and pressure relief for steam injection heater | Matthew T. Bertsch | 2006-04-11 |
| 6361025 | Steam injection heater with transverse mounted mach diffuser | Damon Fisher, Matthew T. Bertsch | 2002-03-26 |
| 6082712 | Direct contact steam injection heater | Damon Fisher | 2000-07-04 |
| 5857254 | Method of disassembling fiber drums using a portable fiber drum chime remover | Raymond G. Sweeney | 1999-01-12 |
| 5842497 | Adjustable shear direct contact steam injection heater | Brian Norbert Drifka | 1998-12-01 |
| 5802725 | Portable metal drum opening apparatus | Brian Norbert Drifka, Arthur L. Thomas | 1998-09-08 |
| 5682681 | Fiber drum chime removing system | Charles J. Patrick, Gary Zaiser | 1997-11-04 |
| 5651183 | Portable fiber drum chime remover | Raymond G. Sweeney, Charles J. Patrick | 1997-07-29 |
| 5622655 | Sanitary direct contact steam injection heater and method | Marc Mueller | 1997-04-22 |