Calnetix, Inc.
7Patents
2Active
7Granted
34Portfolio score
Filing activity: May 23, 2001 → Apr 16, 2007 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6897587B1 | Energy storage flywheel with minimum power magnetic bearings and motor/generator | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6727617B2 | Method and apparatus for providing three axis magnetic bearing having permanent magnets mounted on radial pole stack | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US6700258B2 | Magnetic thrust bearing with permanent bias flux | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US7042118B2 | Permanent magnet rotor construction wherein relative movement between components is prevented | Electricity | 36 | Expired |
| US7557480B2 | Communicating magnetic flux across a gap with a rotating body | Mechanical Engineering; Lighting; Heating | 34 | Active |
| US7638892B2 | Generating energy from fluid expansion | Mechanical Engineering; Lighting; Heating | 31 | Active |
| US8063521B2 | Electric machine with centrifugal impeller | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.