Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446412 | Glulam wood beams and method of making same | — | 2002-09-10 |
| 4576483 | Apparatus for mixing and metering flowable solid materials | Bernhard Mathis, Franz Mathis, Wilhelm Zimmerer | 1986-03-18 |
| 4572674 | Apparatus for mixing batches of flowable solid materials | Max Zimmer | 1986-02-25 |
| 4548507 | Mixing apparatus for the production of mixtures | Max Zimmer | 1985-10-22 |
| 4449826 | Apparatus for preparing mortar or the like | Anton Wachter | 1984-05-22 |
| 4395128 | Mixing tower for concrete or the like | Max Zimmer | 1983-07-26 |
| 4354317 | Process of pourable materials | Max Zimmer | 1982-10-19 |
| 4223996 | Apparatus for mixing solid and liquid constituents of mortar or the like | Max Zimmer | 1980-09-23 |