Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791123 | Method and apparatus for decanting hazardous substances into containers | — | 1998-08-11 |
| 5484004 | Transfer closure valve for filling and emptying containers | — | 1996-01-16 |
| 5246290 | Cone mixer with swivel arm drive and sealing arrangement lubricated by an external lubricant receptacle | — | 1993-09-21 |
| 5108233 | Hydraulic container conveying apparatus | Gunther Boos | 1992-04-28 |
| 4980029 | Apparatus for treating waste materials | Gunther Boos | 1990-12-25 |
| 4668099 | Conical spiral mixer with spherical sealing body in the bottom opening | — | 1987-05-26 |
| 4588301 | Conical screw mixer | — | 1986-05-13 |