Michael Rolfes

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Eccentric screw pump with working engagement and idle engagement an...
- Patent number 12,129,851
- Issue date Oct 29, 2024
- VOGELSANG GMBH & CO. KG
- Michael Rolfes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotor for an eccentric screw pump and method for the manufacture th...
- Patent number 11,841,016
- Issue date Dec 12, 2023
- VOGELSANG GMBH & CO. KG
- Peter Hartogh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Controlling the gap geometry in an eccentric screw pump
- Patent number 11,286,928
- Issue date Mar 29, 2022
- VOGELSANG GMBH & CO. KG
- Paul Krampe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
ROTOR FOR AN ECCENTRIC SCREW PUMP AND METHOD FOR THE MANUFACTURE TH...
- Publication number 20240044330
- Publication date Feb 8, 2024
- VOGELSANG GMBH & CO. KG
- Peter Hartogh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STATE DETECTION ON ECCENTRIC SCREW PUMPS
- Publication number 20230265846
- Publication date Aug 24, 2023
- VOGELSANG GMBH & CO. KG
- MICHAEL ROLFES
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ECCENTRIC SCREW PUMP WITH WORKING ENGAGEMENT AND IDLE ENGAGEMENT AN...
- Publication number 20230167818
- Publication date Jun 1, 2023
- VOGELSANG GMBH & CO. KG
- Michael Rolfes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ROTOR FOR AN ECCENTRIC SCREW PUMP AND METHOD FOR THE MANUFACTURE TH...
- Publication number 20210301817
- Publication date Sep 30, 2021
- VOGELSANG GMBH & CO. KG
- Peter Hartogh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROLLING THE GAP GEOMETRY IN AN ECCENTRIC SCREW PUMP
- Publication number 20200124046
- Publication date Apr 23, 2020
- VOGELSANG GMBH & CO. KG
- Paul Krampe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...