Ottlickzky; Emmerich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ottlickzky; Emmerich.The latest application filed is for "piston, especially cooling channel piston, of an internal combustion engine, comprising three friction welded zones".
- Ottlickzky; Emmerich - Furchtenberg DE
| Patent | Date |
|---|---|
| Piston, especially cooling channel piston, comprising three friction-welded zones Grant 8,011,288 - Gniesmer , et al. September 6, 2 | 2011-09-06 |
| Piston, Especially Cooling Channel Piston, of an Internal Combustion Engine, Comprising Three Friction Welded Zones App 20080245231 - Gniesmer; Volker ; et al. | 2008-10-09 |
| Piston, Especially Cooling Channel Piston, Comprising Three Friction-Welded Zones App 20080229923 - Gniesmer; Volker ; et al. | 2008-09-25 |
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