Kowalewski; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kowalewski; Ralf.The latest application filed is for "electric arc discharge evaluation method, and associated test stand".
- Kowalewski; Ralf - Furth N/A DE
| Patent | Date |
|---|---|
| Method and device for assessing the damage to rolling bearings, in particular in inverter-fed electric machines Grant 9,417,156 - Gattermann , et al. August 16, 2 | 2016-08-16 |
| Electric arc discharge evaluation method, and associated test stand Grant 9,046,579 - Gattermann , et al. June 2, 2 | 2015-06-02 |
| Method And Device For Assessing The Damage To Rolling Bearings, In Particular In Inverter-fed Electric Machines App 20120319636 - Gattermann; Sven ; et al. | 2012-12-20 |
| Electric Arc Discharge Evaluation Method, And Associated Test Stand App 20120323372 - Gattermann; Sven ; et al. | 2012-12-20 |
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