Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958247 | Method for disposing of a solution containing an organic acid | Horst-Otto Bertholdt | 1999-09-28 |
| 5877225 | Method of reducing the volume of a mixture of resin powder and inert synthetic fibers | Klaus Blinn, Karl-Heinz Kleinschroth | 1999-03-02 |
| 5457266 | Process for treating radioactive waste | Karl-Heinz Kleinschroth, Robert Grigat | 1995-10-10 |
| 4974335 | Method and apparatus for drying sewage sludge | Siegfried Meininger | 1990-12-04 |
| 4902446 | Method for reducing the volume of radioactively loaded liquids, and finned body for use in the process | Dietmar Erbse, Lydia Fuchs, Horst Queiser, Siegfried Meininger | 1990-02-20 |
| 4888818 | Method and apparatus for the determination of the setting process in an inorganic aqueous binder system | Wolfgang Schmitt | 1989-12-19 |
| 4847007 | Device for bonding wastes in a binder | Horst Queiser, Siegfried Meininger, Karl-Heinz Kleinschroth | 1989-07-11 |
| 4652404 | Process for conditioning contaminated waste through cementing | Heinz Mallek, Egon Zange, Wolfgang Schlenter, Karl Trumper, Siegfried Meininger | 1987-03-24 |
| 4636363 | Apparatus and method for conditioning radioactive wastes for ultimate storage | Gerhard Kratz, Siegfried Meininger, Eckhard Fischer | 1987-01-13 |
| 4581163 | Method for conditioning weakly to medium-active wastes | Siegfried Meininger, Karl Friesner | 1986-04-08 |
| 4566204 | Treating weak-to medium-active ion exchanger resins in a drying vessel | Karl Friesner, Dietmar Erbse, Siegfried Meininger | 1986-01-28 |
| 4500449 | Method for solidifying boron-containing radioactive residues | Klaus Kuhnke, Anwer Puthawala, Gunter Wittrowsky | 1985-02-19 |
| 4424149 | Method for ultimate disposition of borate containing radioactive wastes by vitrification | Hans-Joachim Faust, Anwer Puthawala, Helmut Stu/ nkel | 1984-01-03 |
| 4311531 | Method for cleaning mixing devices | Anwer Puthawala | 1982-01-19 |