Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998685 | Grinder having dust extraction system | Olaf Klabunde | 2015-04-07 |
| 8757285 | Portable oscillatory power tool with planetary gear | Juergen Blickle | 2014-06-24 |
| 8397832 | Hand tool machine having an oscillatory drive | Juergen Blickle, Olaf Klabunde | 2013-03-19 |
| 6246851 | Photoreceptor drum | Wolfgang Tietze | 2001-06-12 |
| 5335546 | Ultrasonic testing of elongated, prismshaped sections with at least one plane outer surface extending along the longitudinal axis of the section | Bernhard Karbach, Reinhard Prause | 1994-08-09 |
| 5301816 | Method and apparatus for the separation of a material mixture and use of the apparatus | Falko Lehrmann, Clemens Weibel | 1994-04-12 |
| 5187097 | Composting system and composting method | Falko Lehrmann, Hermann Hofer, Werner Vogel, Peter A. Mueller | 1993-02-16 |
| 5074587 | Self-supporting motor-vehicle | Wolfgang Schwede, Rolf Maier, Bernd Christoph, Manfred Flaig, Hans-Jurgen Stumpe | 1991-12-24 |
| 4683030 | Method for carbonizing cold-compacted briquettes | Kurt Lorenz, Horst Dungs | 1987-07-28 |
| 4662895 | Method of cooling and gasifying retort coal | Kurt Lorenz, Horst Dungs | 1987-05-05 |
| 4588479 | Device for cooling incandescent coke | Kurt Lorenz, Horst Dungs | 1986-05-13 |
| 4556455 | Method of charging dry coke cooling pit using sluice | Kurt Lorenz, Horst Dungs, Engelbert Bruns, Gerd Osterholt | 1985-12-03 |
| 4544451 | Apparatus with two-stage heating for carbonizing cold-compacted briquettes | Kurt Lorenz, Horst Dungs | 1985-10-01 |
| 4508596 | Apparatus for dry cooling of coke | Kurt Lorenz, Horst Dungs, Engelbert Bruns, Gerd Osterholt | 1985-04-02 |
| 4457082 | Heat exchanger | Wilfried Kreft, Wolfgang Rother, Peter Tiggesbaumker, Karl Menzel, Herbert W. Schmelter | 1984-07-03 |
| 4431484 | Heating system for regenerative coke oven batteries | Dieter Stalherm, Klaus Urbye, Manfred Morgenstern | 1984-02-14 |
| 4422846 | Method and apparatus for indirectly drying and preheating fine material | Kurt Lorenz, Horst Dungs | 1983-12-27 |
| 4422857 | Coke gasification method | Horst Dungs, Kurt Tippmer | 1983-12-27 |
| 4422858 | Coke gasification method | Horst Dungs, Kurt Tippmer | 1983-12-27 |
| 4392823 | Method and apparatus for indirectly drying and preheating fine material | Kurt Lorenz, Horst Dungs | 1983-07-12 |
| 4379692 | Method of drying and preheating moist fine material and apparatus for carrying out the method | Kurt Lorenz, Horst Dungs | 1983-04-12 |
| 4370202 | Method for dry cooling coke and coke cooler to implement the method | Kurt Lorenz, Horst Dungs | 1983-01-25 |
| 4354903 | Process for drying and preheating coal utilizing heat in dry cooling or quenching of coke | Kurt Lorenz, Horst Dungs | 1982-10-19 |
| 4352720 | Process and apparatus for the production of molded metallurgical coke from coal briquettes | Kurt Lorenz, Horst Dungs, Klaus Urbye | 1982-10-05 |
| 4338161 | Device for dry cooling glowing coke | Kurt Lorenz, Horst Dungs | 1982-07-06 |