Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145470 | Motor-driven vacuum circuit breaker | Elisabeth Lindell, Andrea Bianco, Andrea Ricci, Lars Jonsson, Stefan Halén | 2021-10-12 |
| 10622170 | Three-phase circuit breaker with phase specific switching | Elisabeth Lindell, Stefan Halén | 2020-04-14 |
| 10242826 | Electric power distribution switchgear and method of breaking an electric power current | Elisabeth Lindell, Stefan Halén | 2019-03-26 |
| 10177557 | Passive electronic fuse for protecting a DC application | Robert Saers, Tomas Tengner, Jesper Magnusson | 2019-01-08 |
| 9953760 | Transformer arrangement for mitigating transient voltage oscillations | Dierk Bormann, Martin Carlen, Thorsten Steinmetz, Philipp Buttgenbach, Jens Tepper | 2018-04-24 |
| 9882373 | System for protection of dry type transformers | Elisabeth Lindell, Felix Greuter | 2018-01-30 |
| 9824800 | Multi-terminal surge arrester | Bernhard Doser, Peter Dubach, Felix Greuter, Elisabeth Lindell | 2017-11-21 |
| 9148011 | Apparatus arranged to break an electrical current | Jesper Magnusson, Robert Saers | 2015-09-29 |
| 9035212 | Switch having two sets of contact elements | Lars Jonsson, Per Skarby, Per Lindholm, Ueli Steiger | 2015-05-19 |
| 8837093 | Circuit arrangement and method for interrupting a current flow in a DC current path | Emmanouil Panousis, Jadran Kostovic, Markus Bujotzek, Per Skarby | 2014-09-16 |
| 8797128 | Switch having two sets of contact elements and two drives | Lars Jonsson, Per Skarby, Ryan Chladny | 2014-08-05 |
| 8569909 | Method and arrangement to control an AC system | Stefan Thorburn, Ake Petersson | 2013-10-29 |
| 7786710 | Electric power flow control | Birger Drugge, Per Halvarsson, Magnus Backman | 2010-08-31 |
| 7622829 | Rotating electric motor for operating an electric component | Stefan Valdemarsson, Philip Richard Jacobsen Carne Kjaer | 2009-11-24 |
| 7245037 | Wind power fed network | Lennart Angquist, Per Halvarsson, Stefan Valdemarsson, Claes Bengtsson, Willie Wong | 2007-07-17 |
| 7235751 | Electric device, a current limiter and an electric power network | Stefan Valdemarsson | 2007-06-26 |
| 7079367 | Electric plant and method and use in connection with such plant | — | 2006-07-18 |
| 7075767 | Fault current limiting system and method | Carlo Gemme, Richard Tinggren, Karl-Heinz Hartung | 2006-07-11 |
| 6429765 | Controllable inductor | Stefan Valdemarsson, Erik Forsberg, Sören Petersson | 2002-08-06 |
| 6292338 | Electric coupling device, electric circuit and method in connection therewith | Hans Bernhoff, Henrik Breder, Jan Isberg, Lars Jonsson, Stefan Valdemarsson | 2001-09-18 |
| 6154019 | Controllable inductor | Stefan Valdemarsson | 2000-11-28 |
| 5083232 | Fault current limiter | Nils-Johan Bergsjo, Birger Drugge, Emile Schreurs | 1992-01-21 |
| 4961066 | Fault current limiter | Nils-Johan Bergsjo | 1990-10-02 |