Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9766641 | On-load tap changer for dry transformers and dry transformer | Martin Carlen, Jens Tepper | 2017-09-19 |
| 9761366 | Dry-type transformer | Michael Luckey, Wolfgang Mönig, Marcos Bockholt | 2017-09-12 |
| 9618950 | Voltage control system | Martin Carlen, Irma Buschmann, Frank Cornelius, Jens Tepper, Yong Wang | 2017-04-11 |
| 9583252 | Transformer | Frank Cornelius, Jiahua Zhang, Martin Carlen, Thorsten Steinmetz | 2017-02-28 |