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EP2778423
Centrifugal pump assembly
Filed
Mar 11, 2013
Technology
Mechanical engineering · Engines, pumps, turbines
UPC cases
7
Ownership history
As recorded at the EPO. Transfers made after the opposition period are recorded in national registers and may be missing here.
- Grundfos Holding A/Ssince Sep 16, 2014; EPO record ends Jan 4, 2019
Abstract
The assembly i.e. circulating heating pump assembly, has a centrifugal pump (1) that is driven by an electric motor (7). An electronic speed controller or frequency converter is arranged for the motor, where the speed controller is arranged with an internal electronic controller. A signal input is provided for external activation of the motor. A switching unit or switch is arranged for switching of the internal electronic controller on an external speed control or for connecting the external speed control.
Litigation history
| Date | Case | Division | Type | Outcome | Parties |
|---|---|---|---|---|---|
| Sep 4, 2026 | UPC CFI 11/2024 | Dusseldorf LD | Infringement | Locked | Grundfos Holding A/S +1 |
Additional proceedings on this patent
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