Erik Stenfors

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Hallstahammar, SE

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Patents Grantslast 30 patents

Information Patent Grant
Ventilation device with alternating airflows
- Patent number 9,664,454
- Issue date May 30, 2017
- Tempeff North America Ltd.
- Erik Stenfors
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Ventilation device with alternating airflow
- Patent number 9,470,432
- Issue date Oct 18, 2016
- Tempeff North America Ltd.
- Erik Stenfors
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Ventilating Device with Alternating Airflows
- Publication number 20170336150
- Publication date Nov 23, 2017
- Tempeff North America Ltd.
- Erik Stenfors
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Ventilation Device with Alternating Airflow
- Publication number 20110076933
- Publication date Mar 31, 2011
- Erik Stenfors
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Ventilation Device with Alternating Airflows
- Publication number 20110076934
- Publication date Mar 31, 2011
- Erik Stenfors
- F28 - HEAT EXCHANGE IN GENERAL