Stefan Robert

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Nordwalde, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cabin air filter device and components
- Patent number 12,358,003
- Issue date Jul 15, 2025
- HENGST SE
- Stefan Robert
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for operating a centrifugal separator
- Patent number 11,440,027
- Issue date Sep 13, 2022
- HENGST SE
- Martin Rölver
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for protecting a rotation separator from icing and a rotatio...
- Patent number 10,801,377
- Issue date Oct 13, 2020
- Stefan Robert
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents

Information Patent Application
CABIN AIR FILTER DEVICE AND COMPONENTS
- Publication number 20250121380
- Publication date Apr 17, 2025
- HENGST SE
- Stefan Robert
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
CABIN AIR FILTER WITH POLARISATION
- Publication number 20250083155
- Publication date Mar 13, 2025
- HENGST SE
- Stefan Robert
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR OPERATING A CENTRIFUGAL SEPARATOR
- Publication number 20200147623
- Publication date May 14, 2020
- HENGST SE
- Martin RÖLVER
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD FOR PROTECTING A ROTATION SEPARATOR FROM ICING AND A ROTATIO...
- Publication number 20190032529
- Publication date Jan 31, 2019
- HENGST SE
- Stefan Robert
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES