Riggers; Alfred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Riggers; Alfred.The latest application filed is for "method for connecting a sheet metal component, such as a pipe, to a cast metal component, such as a housing port, in particular for an exhaust system".
- Riggers; Alfred - Freetz-Lengenbostel DE
| Patent | Date |
|---|---|
| Method for connecting a sheet metal component, such as a pipe, to a cast metal component, such as a housing port, in particular for an exhaust system Grant 8,183,494 - Bien , et al. May 22, 2 | 2012-05-22 |
| Method and device for production of a hollow section Grant 7,343,678 - Bien , et al. March 18, 2 | 2008-03-18 |
| Method for Connecting a Sheet Metal Component, Such as a Pipe, to a Cast Metal Component, Such as a Housing Port, in Particular for an Exhaust System App 20070289954 - Bien; Wilfried ; et al. | 2007-12-20 |
| Exhaust system App 20060013746 - Bien; Wilfried ; et al. | 2006-01-19 |
| Method and device for production of a hollow section App 20050160600 - Bien, Wilfried ; et al. | 2005-07-28 |
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