Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874218 | Apparatus and method for attaching a seal to an encapsulated window assembly | Thomas S. Hicks | 2005-04-05 |
| 5228850 | Industrial furnace with improved heat transfer | Max Hoetzl | 1993-07-20 |
| 5127827 | Industrial furnace with improved heat transfer | Max Hoetzl | 1992-07-07 |
| 5116221 | Internal heat exchange tubes for industrial furnaces | Max Hoetzl | 1992-05-26 |
| 5074782 | Industrial furnace with improved heat transfer | Max Hoetzl | 1991-12-24 |
| 5035610 | Internal heat exchange tubes for inductrial furnaces | Max Hoetzl | 1991-07-30 |
| 4963091 | Method and apparatus for effecting convective heat transfer in a cylindrical, industrial heat treat furnace | Max Hoetzl, James A. Brandewie | 1990-10-16 |