Issued Patents All Time
Showing 25 most recent of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8883205 | Microtablet-based pharmaceutical preparation | — | 2014-11-11 |
| 7207127 | Hook-on grab bucket, in particular motor-driven underwater grab bucket | — | 2007-04-24 |
| 6533944 | Method and device for recovering fine sand from a floating dredger | — | 2003-03-18 |
| 6134815 | Monitoring device for motor-driven underwater grab bucket dredge gear | — | 2000-10-24 |
| 6059120 | Device for washing out and classifying organic clay-like and other impurities from granular matter | Klaus Bleh | 2000-05-09 |
| 6044979 | Device for separating superfine material from continuously fed granular solids | Klaus Bleh | 2000-04-04 |
| 5399544 | Isoxazole- and isothiazole-5-carboxamides | Volker Maywald, Peter Muenster, Hartmann Koenig, Gerhard Hamprecht, Thomas Kuekenhoehner +3 more | 1995-03-21 |
| 5259130 | Floating grab installation for the recovery of sand and gravel | — | 1993-11-09 |
| 5206266 | Substituted oxime ethers and fungicides which contain these compounds | Franz Schuetz, Hubert Sauter, Albrecht Harreus, Michael Hepp, Siegbert Brand +3 more | 1993-04-27 |
| 5179793 | Floating dredger | — | 1993-01-19 |
| 5166399 | Substituted oxime ethers and fungicides which contain these compounds | Franz Schuetz, Hubert Sauter, Albrecht Harreus, Michael Hepp, Siegbert Brand +3 more | 1992-11-24 |
| 5164408 | 1,2-dihaloazolylethane derivatives and crop protection agents containing them | Rainer Seele, Norbert Goetz, Walter Himmele, Reiner Kober, Eberhard Ammermann +3 more | 1992-11-17 |
| 5150986 | Process and apparatus for depositing silt on the bottom and slopes of the wet open working or dredging | — | 1992-09-29 |
| 5122531 | Vinylazoles and the use thereof for crop protection | Rainer Seele, Bernhard Zipperer, Stefan Karbach, Lothar Rueb, Eberhard Ammermann +3 more | 1992-06-16 |
| RE33820 | Preparation of alkoxy maleic anhydrides | Rainer Becker | 1992-02-11 |
| 5085685 | Carboxylic acid derivatives | Joachim Rheinheimer, Karl Eicken, Uwe Josef Vogelbacher, Thomas Kuekenhoehner, Karl-Otto Westphalen +1 more | 1992-02-04 |
| 5015762 | Aralkylphenylureas and herbicides containing these | Ulrich Schirmer, Bruno Wuerzer | 1991-05-14 |
| 5001242 | Process for the preparation of 4-methylenetetrahydropyran | Thomas Kuekenhoehner, Wolfgang Spiegler, Norbert Goetz | 1991-03-19 |
| 4997989 | Tert-butylalkynols | Hubert Smuda | 1991-03-05 |
| 4973736 | Diethers of m- or p-hydroxyphenol | Rainer Becker, Werner Hoffmann, Heinz-Guenter Oeser, Juergen Varwig | 1990-11-27 |
| 4968418 | Apparatus for washing out and sorting organic, loamy and other impurities from continuously supplied coarse and fine granular solids | — | 1990-11-06 |
| 4931466 | Crystalline form and its preparation | Siegfried Kersten, Karl-Friedrich Jaeger, Karl-Heinz Koenig, Albrecht Mueller, Josef B. Pawliczek +2 more | 1990-06-05 |
| 4898610 | Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth | Michael Keil, Dieter Jahn, Rainer Becker, Bruno Wuerzer | 1990-02-06 |
| 4877887 | Preparation of alkoxy maleic anhydrides | Rainer Becker | 1989-10-31 |
| 4844735 | 5-aryl-cyclohexane-1-3-dione derivatives, herbicides containing these compounds, and the preparation of these compounds | Dieter Jahn, Rainer Becker, Bruno Wuerzer | 1989-07-04 |