Heiderich; Ernst
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heiderich; Ernst.The latest application filed is for "pick tool and method for making same".
- Heiderich; Ernst - Hohenroda DE
| Patent | Date |
|---|---|
| Pick tool and method for making same Grant 9,033,425 - Heiderich , et al. May 19, 2 | 2015-05-19 |
| Pick tool and method for making same Grant 9,028,009 - Heiderich , et al. May 12, 2 | 2015-05-12 |
| Pick Tool And Method For Making Same App 20130307319 - Heiderich; Ernst ; et al. | 2013-11-21 |
| Pick Tool And Method For Making Same App 20110175430 - Heiderich; Ernst ; et al. | 2011-07-21 |
| Cutting or breaking tool as well as cutting insert for the latter Grant 7,455,484 - Bauschulte , et al. November 25, 2 | 2008-11-25 |
| Cutting or breaking tool as well as cutting insert for the latter App 20020164215 - Bauschulte, Heinrich ; et al. | 2002-11-07 |
| Roller bit for tunnel-driving machines with segmented cutting rings Grant 6,343,842 - Sauer , et al. February 5, 2 | 2002-02-05 |
| Cylindrical cutting device Grant 6,183,170 - Wald , et al. February 6, 2 | 2001-02-06 |
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