loadpatents
Patent applications and USPTO patent grants for Esser; Johannes.The latest application filed is for "method for producing a piston ring".
Patent | Date |
---|---|
Method for producing a piston ring Grant 8,973,262 - Esser , et al. March 10, 2 | 2015-03-10 |
Method For Producing A Piston Ring App 20130187341 - Esser; Johannes ;   et al. | 2013-07-25 |
Piston ring Grant 8,430,410 - Esser , et al. April 30, 2 | 2013-04-30 |
Piston ring Grant 8,356,820 - Esser , et al. January 22, 2 | 2013-01-22 |
Piston ring Grant 8,235,393 - Esser , et al. August 7, 2 | 2012-08-07 |
Piston Ring App 20100117304 - Esser; Johannes ;   et al. | 2010-05-13 |
Piston Ring App 20100066031 - Esser; Johannes ;   et al. | 2010-03-18 |
Piston Ring App 20100044967 - Esser; Johannes ;   et al. | 2010-02-25 |
Piston Ring App 20100019457 - Esser; Johannes ;   et al. | 2010-01-28 |
Piston Ring App 20100019458 - Esser; Johannes ;   et al. | 2010-01-28 |
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