Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372132 | Rotary and linear adjustable stiffness magnetic springs | — | 2025-07-29 |
| 12040677 | Electromagnetic configurations and assembly methods for a Halbach rotor magnetic gear | — | 2024-07-16 |
| 11879516 | Variable stiffness magnetic spring | — | 2024-01-23 |
| 11128209 | Magnetic gearbox with flux concentration halbach rotors | — | 2021-09-21 |
| 9641059 | Flux focusing magnetic gear assembly using ferrite magnets or the like | — | 2017-05-02 |
| 9559577 | Flux focusing magnetic gear assembly using ferrite magnets or the like | — | 2017-01-31 |
| 8247933 | Methods and apparatus for a permanent magnet machine with a direct liquid cooled stator | Dang Dinh Dang, Erik Hatch, Rolf Blissenbach, Khiet Le | 2012-08-21 |
| 7902711 | Methods and apparatus for a permanent magnet machine with segmented ferrite magnets | Rolf Blissenbach, Khiet Le, Dang Dinh Dang | 2011-03-08 |
| 7843100 | Methods and apparatus for preventing demagnetization in interior permanent magnet machines | Rolf Blissenbach | 2010-11-30 |