Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10727651 | Emission tip assembly and method for operating same | — | 2020-07-28 |
| 8474304 | Device for the determination of the concentration of solid particles | Helmut Pongratz, Alexander Bergmann | 2013-07-02 |
| 8444538 | Impression roller and use of the same | Lukas Hahne, Thomas Litterst | 2013-05-21 |
| 8308846 | Method and device for precipitating impurities from a stream of gas | Marcel Op de Laak | 2012-11-13 |
| 7431897 | Apparatus replacing atmospheric oxygen with an inert gas from a laminar air boundary layer and application of said apparatus | Lukas Hahne | 2008-10-07 |
| 7345766 | Measuring chamber for photo-acoustical sensors | Wolfgang Schindler, Klaus-Christoph Harms, Harald Grantner | 2008-03-18 |
| 6827781 | Device for humidifying a material web | Ernst August Hahne | 2004-12-07 |
| 6748855 | Device and method for blocking a stack of stacked objects | Ernst August Hahne, Hermann Kunzig | 2004-06-15 |
| 6508174 | Electrostatic printing aid | Ernst August Hahne, Thomas Ludwig | 2003-01-21 |
| 6504700 | Active discharge collector for minimizing positive and/or negative charges on moving material webs | Ernst August Hahne | 2003-01-07 |
| 6445562 | Method and device for electrostatic charging | Ernst August Hahne, Hermann Kunzig | 2002-09-03 |
| 6308574 | Measuring device to measure the pressure of an atmosphere | Wolfgang Klun | 2001-10-30 |
| 6285032 | Device for removing the gaseous laminar boundary layer of a web | Ernst August Hahne | 2001-09-04 |
| 6159555 | Method and device for electrostatic charging | Ernst August Hahne, Hermann Kunzig | 2000-12-12 |
| 5517384 | Compound surface-charging electrode | Ernst August Hahne | 1996-05-14 |
| 5322011 | Pressure cylinder with electrostatically assisted ink transfer | Ernst August Hahne | 1994-06-21 |
| 5044275 | Electrostatic printing assist system | Ernst August Hahne, Herman Kunzig | 1991-09-03 |
| 4610326 | Air cooling arrangement for encapsulated vehicle engine | Karl Kirchweger, Gerhard Thien | 1986-09-09 |
| 4514140 | Axial fan | — | 1985-04-30 |
| 4459944 | Water-cooled internal combustion engine with a sound-absorbing cover | Karl Kirchweger, Gerhard Thien | 1984-07-17 |
| 4455971 | Water-cooled internal combustion engine with a sound absorbing cover | Karl Kirchweger | 1984-06-26 |
| 4208965 | Method for electrostatic assistance in printing processes, and printing machines having electrostatic substrate contact pressure | Helmut Eichler | 1980-06-24 |