Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9775308 | Method and apparatus for the automatic regulation of the irrigation of plants | Yucel Toprak | 2017-10-03 |
| 8989907 | Process and apparatus for adequately irrigating soil | Yucel Toprak | 2015-03-24 |
| 8862276 | Method and apparatus for the automatic regulation of the irrigation of plants | Yucel Toprak | 2014-10-14 |
| 8001990 | Device for measuring thermal properties in a medium and method for determining the moisture content in the medium | — | 2011-08-23 |
| 7369390 | Gas-insulated surge arrester | Bernhard Doser, Daniel Muller | 2008-05-06 |
| 7289309 | Isolation apparatus | Peter Zeller | 2007-10-30 |
| 7154728 | Active part for a surge arrester | Robert R. Hauser | 2006-12-26 |
| 6678141 | Electrical component with fault arc protection | Robert R. Hauser | 2004-01-13 |
| 6594133 | Surge arrester | Peter Oehlschläger | 2003-07-15 |
| 6104590 | Electrical apparatus, in particular a surge arrester, having an apparatus for indicating a fault current | — | 2000-08-15 |
| 6028759 | Electrical apparatus, in particular a surge arrestor, having an apparatus for indicating a fault current | Werner Hofbauer | 2000-02-22 |
| 5942968 | Overvoltage suppressor | — | 1999-08-24 |
| 5936826 | Surge arrester | — | 1999-08-10 |
| 5684664 | Method for the production of an insulator | Elias Julke | 1997-11-04 |
| 5650772 | Device for indicating a faulty condition of an electrical apparatus, in particular of a surge arrester | — | 1997-07-22 |
| 5602710 | Surge arrester | Christoph Schupbach | 1997-02-11 |
| 5517382 | Surge suppressor having looped clamping elements | Peter Leupp, Bertil Moritz | 1996-05-14 |
| 5291366 | Surge voltage arrester | Klaus Giese, Walter Nydegger | 1994-03-01 |
| 4873620 | Voltage supply with recovery protection for a thyristor | Franz Neulinger, Helmut Schummer, Gerhard Donig | 1989-10-10 |
| 4808200 | Electrostatic precipitator power supply | Richard Dallhammer, Franz Neulinger, Helmut Schummer | 1989-02-28 |
| 4779182 | Power supply for an electrostatic filter | Hermann Mickal, Hartmut Gaul, Franz Neulinger, Helmut Schummer | 1988-10-18 |
| 4670829 | Method and apparatus for supplying an electrostatic precipitator with high voltage pulses | Richard Dallhammer, Gerhard Donig, Hartmut Gaul, Franz Neulinger, Helmut Schummer | 1987-06-02 |
| 4649510 | Methods and apparatus for the protection and control of computer programs | — | 1987-03-10 |
| 4566287 | Post mix dispensing machine | Richard Schmidt, Ronald Schmidt, Patrick Schmidt | 1986-01-28 |
| 4433281 | Method for detecting breakdowns in an electrostatic filter | Helmut Herklotz, Gunter Mehler, Franz Neulinger, Helmut Schummer, Horst Daar +1 more | 1984-02-21 |