John Frigård NIELSEN

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Farup, DK

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Patents Grantslast 30 patents

Information Patent Grant
Multistage centrifugal pump
- Patent number 11,378,097
- Issue date Jul 5, 2022
- Grundfos Holding a/s
- Erik Bundesen Svarre
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Centrifugal pump
- Patent number 11,162,504
- Issue date Nov 2, 2021
- Grundfos Holding a/s
- Helge Grann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Centrifugal pump
- Patent number 10,941,784
- Issue date Mar 9, 2021
- Grundfos Holding a/s
- Erik Bundesen Svarre
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal pump
- Patent number 10,502,223
- Issue date Dec 10, 2019
- Grundfos Holding a/s
- Erik Bundesen Svarre
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multistage centrifugal pump with shaft hydraulic force compensation
- Patent number 10,495,099
- Issue date Dec 3, 2019
- Grundfos Holding a/s
- Erik Bundesen Svarre
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
CENTRIFUGAL PUMP
- Publication number 20190316595
- Publication date Oct 17, 2019
- GRUNDFOS HOLDING A/S
- Helge GRANN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CENTRIFUGAL PUMP
- Publication number 20190048885
- Publication date Feb 14, 2019
- GRUNDFOS HOLDING A/S
- Erik Bundesen SVARRE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CENTRIFUGAL PUMP
- Publication number 20170211581
- Publication date Jul 27, 2017
- GRUNDFOS HOLDING A/S
- Erik Bundesen SVARRE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MULTISTAGE CENTRIFUGAL PUMP WITH SHAFT HYDRAULIC FORCE COMPENSATION
- Publication number 20170146019
- Publication date May 25, 2017
- GRUNDFOS HOLDING A/S
- Erik Bundesen SVARRE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MULTISTAGE CENTRIFUGAL PUMP
- Publication number 20170146029
- Publication date May 25, 2017
- GRUNDFOS HOLDING A/S
- Erik Bundesen SVARRE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...