Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7398830 | Electric-hydraulic power unit | John A. Johansen, Michael R. Williams | 2008-07-15 | $8,675,000 |
| 7287595 | Electric-hydraulic power unit | John A. Johansen, Michael R. Williams | 2007-10-30 | $21,327,000 |
| 7159662 | System for controlling a hydraulic actuator, and methods of using same | John A. Johansen, Michael R. Williams | 2007-01-09 | $28,700,000 |
| 7137450 | Electric-hydraulic power unit | John A. Johansen, Michael R. Williams | 2006-11-21 | $30,599,000 |
| 6998724 | Power generation system | John A. Johansen, Lars Fretland, Andreas Mohr, Christina M. Johansen, Veronique Prevault | 2006-02-14 | $9,808,000 |