Christian Norman

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Furulund, SE

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Patents Grantslast 30 patents

Information Patent Grant
Back pressure flap valve arrangement and the use thereof
- Patent number 10,315,059
- Issue date Jun 11, 2019
- NEDERMAN HOLDING AB
- Bartosz Kowalski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Back pressure flap valve arrangement and the use thereof
- Publication number 20180185680
- Publication date Jul 5, 2018
- Nederman Holding AB
- Bartosz Kowalski
- A62 - LIFE-SAVING FIRE-FIGHTING