Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9891000 | Center heating element for a vacuum heat treating furnace | — | 2018-02-13 |
| 9719149 | Load transport mechanism for a multi-station heat treating system | Hendrik Grobler, Kevin Michael Woerner | 2017-08-01 |
| 9617611 | Quenching process and apparatus for practicing said process | Werner Hendrik Grobler, Bernd Edenhofer | 2017-04-11 |
| 9441886 | Work load lifting system for a vertical vacuum furnace | Jake Hamid | 2016-09-13 |
| 8992213 | Sealing mechanism for a vacuum heat treating furnace | Werner Hendrik Grobler, Jake Hamid | 2015-03-31 |
| 8662888 | Loading system for a heat treating furnace | Christopher S. Hawkins | 2014-03-04 |
| 6903306 | Directional cooling system for vacuum heat treating furnace | — | 2005-06-07 |
| 6756566 | Convection heating system for vacuum furnaces | — | 2004-06-29 |
| 6533991 | Cooling gas injection nozzle for a vacuum heat treating furnace | — | 2003-03-18 |
| 6307874 | Expansion loops for heating elements in vacuum furnaces | — | 2001-10-23 |
| 5930285 | Heating element support for an electric heat treating furnace | — | 1999-07-27 |
| 4906182 | Gas cooling system for processing furnace | — | 1990-03-06 |
| 4612651 | Heat treating furnace with heating element hangers and radiation shield spacers | Eric H. Wolter | 1986-09-16 |
| 4608698 | Electric heat treating furnace with quickly serviceable heating assembly components | Eric H. Wolter | 1986-08-26 |
| 4560348 | Gas nozzle for a heat treating furnace | Eric H. Wolter | 1985-12-24 |
| 4559631 | Heat treating furnace with graphite heating elements | — | 1985-12-17 |