Inventor · disambiguated record
Michael Rolfes
Also filed as: ROLFES MICHAEL · ROLFES MICHAEL J
5 granted patents·2 pending applications·34 citations·filing 2001–2023
74Inventor score
Top patents by PatentIndex Score
7 records- 0190US11286928B2Controlling the gap geometry in an eccentric screw pumpVOGELSANG GMBH & CO KG·Filed 2018·Granted Mar 29, 2022·5 cites·26 claims
- 0289US12129851B2Eccentric screw pump with working engagement and idle engagement and method for controlling the eccentric screw pumpVOGELSANG GMBH & CO KG·Filed 2022·Granted Oct 29, 2024·1 cites·24 claims
- 0379USD960203SPump for liquidsHUGO VOGELSANG MASCHB GMBH·Filed 2020·Granted Aug 9, 2022·1 cites·1 claims
- 0471US2024044330A1Rotor for an eccentric screw pump and method for the manufacture thereofVOGELSANG GMBH & CO KG·Filed 2023·Application pending·0 cites
- 0567US6586913B2Automatic battery charger with voltage controlled charging and ripple voltage testASSOCIATED EQUIPMENT CORP·Filed 2001·Granted Jul 1, 2003·27 cites·32 claims
- 0663US11841016B2Rotor for an eccentric screw pump and method for the manufacture thereofVOGELSANG GMBH & CO KG·Filed 2019·Granted Dec 12, 2023·0 cites·1 claims
- 0733US2023265846A1State detection on eccentric screw pumpsVOGELSANG GMBH & CO KG·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →