Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014825 | Bucket wheel excavator | Bernhard Wiechers | 2000-01-18 |
| 5857274 | Method of operating a bucket wheel excavator | Hans Jurgen Rudiger, Reinhard Trumper | 1999-01-12 |
| 5207816 | Cyclohexenone derivatives and their use for controlling undesirable plant growth | Rainer Becker, Michael Keil, Hans Theobald, Wolfgang Spiegler, Bruno Wuerzer | 1993-05-04 |
| 5169426 | Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth | Rainer Becker, Michael Keil, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer | 1992-12-08 |
| 5154753 | Cyclohexenone derivatives, their preparation and their use as herbicides and plant growth regulators | Norbert Meyer, Johann Jung, Wilhelm Rademacher, Dieter Kolassa, Rainer Becker +3 more | 1992-10-13 |
| 5074903 | Cyclohexenone derivatives, preparation and use thereof as herbicides | Michael Keil, Dieter Kolassa, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer +2 more | 1991-12-24 |
| 5001261 | Cyclohexenone derivatives and their use for controlling undesirable plant growth | Michael Keil, Rainer Becker, Norbert Goetz, Ulrich Schirmer, Bruno Wuerzer | 1991-03-19 |
| 4956003 | Cyclohexane-1,3-dione derivatives and their use for controlling undesired plant growth | Rainer Becker, Norbert Goetz, Bruno Wuerzer | 1990-09-11 |
| 4948415 | Agents for regulating plant growth | Michael Keil, Dieter Kolassa, Ulrich Schirmer, Rainer Becker, Johann Jung +1 more | 1990-08-14 |
| 4936906 | Agents for regulating plant growth | Michael Keil, Dieter Kolassa, Ulrich Schirmer, Rainer Becker, Johann Jung +1 more | 1990-06-26 |
| 4898610 | Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth | Michael Keil, Rainer Becker, Wolfgang Rohr, Bruno Wuerzer | 1990-02-06 |
| 4867784 | Cyclohexenone derivatives, preparation thereof and use thereof as herbicidal and plant growth regulator agents | Michael Keil, Wolfgang Spiegler, Dieter Kolassa, Ulrich Schirmer, Bruno Wuerzer +3 more | 1989-09-19 |
| 4853727 | Process and device for treating a photographic recording material | Jurgen Ganzke, Bruno Kritzner | 1989-08-01 |
| 4851032 | Cyclohexane-1,3-dione derivatives, their preparation and their use for controlling undesired plant growth | Rainer Becker, Norbert Goetz, Bruno Wuerzer | 1989-07-25 |
| 4844735 | 5-aryl-cyclohexane-1-3-dione derivatives, herbicides containing these compounds, and the preparation of these compounds | Wolfgang Rohr, Rainer Becker, Bruno Wuerzer | 1989-07-04 |
| 4812160 | Cyclohexenone derivatives, preparation and use thereof as herbicides | Michael Keil, Dieter Kolassa, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer +2 more | 1989-03-14 |
| 4780129 | Cycloxexenone derivatives, their manufacture and their use for controlling undesirable plant growth | Rainer Becker, Ulrich Schirmer, Michael Keil, Bruno Wuerzer, Norbert Meyer | 1988-10-25 |
| 4761172 | Herbicidal cyclohexanol derivatives, compositions, and method of use therefor | Rainer Becker, Michael Keil, Ulrich Schirmer, Winfried Richarz, Bruno Wuerzer +1 more | 1988-08-02 |
| 4761486 | Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators | Bernd Zeeh, Michael Keil, Dieter Kolassa, Bruno Wuerzer, Norbert Meyer +2 more | 1988-08-02 |
| 4761489 | Substituted 5-formyl-1,3-dioxepans | Walter Gramltch, Hardo Siegel | 1988-08-02 |
| 4758265 | Cyclohexenones and their use for controlling undesirable plant growth | Rainer Becker, Ulrich Schirmer, Michael Keil, Bruno Wuerzer, Norbert Meyer | 1988-07-19 |
| 4740237 | Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth | Rainer Becker, Norbert Goetz, Hardo Siegel, Bruno Wuerzer | 1988-04-26 |
| 4734121 | Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth | Michael Keil, Rainer Becker, Norbert Goetz, Wolfgang Spiegler, Bruno Wuerzer | 1988-03-29 |
| 4728357 | Cyclohexane-1,3-dione derivatives, their preparation and herbicides containing these compounds | Rainer Becker, Wolfgang Rohr, Bruno Wuerzer | 1988-03-01 |
| 4692553 | Cyclohexenone derivatives and their use for controlling undesirable plant growth | Michael Keil, Ulrich Schirmer, Rainer Becker, Bruno Wuerzer, Norbert Meyer | 1987-09-08 |