Seifert; Hagen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Seifert; Hagen.The latest application filed is for "utilization of nitrogen oxides from ambient air".
- Seifert; Hagen - Regensburg DE
- Seifert; Hagen - Zurich CH
| Patent | Date |
|---|---|
| Method and device for purifying exhaust gas Grant 11,156,139 - Muller-Hellwig , et al. October 26, 2 | 2021-10-26 |
| Utilization Of Nitrogen Oxides From Ambient Air App 20210252449 - MULLER-HELLWIG; Simone ; et al. | 2021-08-19 |
| Utilization of pollutants from internal combustion engines Grant 10,919,769 - Muller-Hellwig , et al. February 16, 2 | 2021-02-16 |
| Wearable motion tracking system Grant 10,768,691 - Ranieri , et al. Sep | 2020-09-08 |
| Utilization Of Pollutants From Internal Combustion Engines App 20200198970 - MULLER-HELLWIG; Simone ; et al. | 2020-06-25 |
| Device For Cleaning Air Laden With Co2 App 20200009496 - MULLER-HELLWIG; Simone ; et al. | 2020-01-09 |
| Device for cleaning air laden with CO2 Grant 10,507,424 - Muller-Hellwig , et al. Dec | 2019-12-17 |
| Wearable Motion Tracking System App 20180150131 - RANIERI; Nicola ; et al. | 2018-05-31 |
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