Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419358 | Method and device for compensation of the thermal expansion of a cellular wheel sluice rotors | — | 2008-09-02 |
| 6102578 | Cellular wheel sluice with supplementary bearing | Michael Heep | 2000-08-15 |
| 5775851 | Method for operating a conveyor pipeline with dense phase conveying, and apparatus for performing the method | Franz Waeschle, Guido Winkhardt, Gottfried Isopp | 1998-07-07 |
| 5014885 | Apparatus for feeding bulk material | Paul Vogel, Manfred Frey, Joachim Schmalz | 1991-05-14 |
| 4952100 | Pipe switch for plants for pneumatically conveying bulk material | Paul Vogel, Joachim Stengel | 1990-08-28 |
| 4948017 | Rotary feeder | Paul Vogel, Gerhard Reichert | 1990-08-14 |
| 4946078 | Apparatus for feeding bulk material | Paul Vogel, Joachim Schmalz | 1990-08-07 |
| 4936715 | Apparatus for pneumatically conveying bulk material | Manfred Wolf, Hans Hoppe, Norbert Eberhard | 1990-06-26 |
| 4915265 | Apparatus for feeding bulk material | Paul Vogel, Anton Mutscheller | 1990-04-10 |
| 4909676 | Apparatus for pneumatically conveying bulk material | Norbert Eberhard, Hans Hoppe, Reinhard Ernst, Robert Storf | 1990-03-20 |
| 4909273 | Two-way pipe switch | Paul Vogel, Wolfgang Horn | 1990-03-20 |
| 4823993 | Bucket wheel gate for dispensing granulated bulk material | Wolfgang Siegel, Reinhold Eck, Paul Vogel | 1989-04-25 |
| 4784298 | Apparatus for feeding bulk material | Paul Vogel, Manfred Frey | 1988-11-15 |
| 4715749 | Pneumatic transport conveyor | Hans Hoppe, Norbert Eberhard, Werner Miller | 1987-12-29 |
| 4461451 | Slide valve for container of bulk material | Norbert Eberhard | 1984-07-24 |
| 4389949 | Method of and arrangement for supplying a fuel to a plurality of burners of a furnace | — | 1983-06-28 |