Hross; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hross; Helmut.The latest application filed is for "ground working tool and method for its operation".
- Hross; Helmut - Schrobenhausen DE
- Hross; Helmut - Newe Territories HK
| Patent | Date |
|---|---|
| Ground working tool and method for its operation Grant 10,066,454 - Hross , et al. September 4, 2 | 2018-09-04 |
| Cleaning device for cleaning a bottom of a borehole and method for creating a foundation element Grant 9,512,591 - Spreitzer , et al. December 6, 2 | 2016-12-06 |
| Ground Working Tool And Method For Its Operation App 20160177645 - HROSS; Helmut ; et al. | 2016-06-23 |
| Cleaning Device For Cleaning A Bottom Of A Borehole And Method For Creating A Foundation Element App 20160083927 - SPREITZER; Stefan ; et al. | 2016-03-24 |
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