Erik Kalf

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Matfors, SE

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Patents Grantslast 30 patents

Information Patent Grant
Seat arrangement and electrically powered wheelchair comprising the...
- Patent number 10,258,522
- Issue date Apr 16, 2019
- PERMOBIL AB
- Erik Kalf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Chassis arrangement for an electrically powered wheelchair and an e...
- Patent number 10,201,464
- Issue date Feb 12, 2019
- PERMOBIL AB
- Erik Kalf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Caster wheel assembly and wheelchair comprising the same
- Patent number 10,092,465
- Issue date Oct 9, 2018
- PERMOBIL AB
- Herbert Van de Wal
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Chassis arrangement for an electrically powered wheelchair and an e...
- Patent number 10,058,466
- Issue date Aug 28, 2018
- PERMOBIL AB
- Erik Kalf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SEAT ARRANGEMENT AND ELECTRICALLY POWERED WHEELCHAIR COMPRISING THE...
- Publication number 20170360633
- Publication date Dec 21, 2017
- Permobil AB
- Erik Kalf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CASTER WHEEL ASSEMBLY AND WHEELCHAIR COMPRISING THE SAME
- Publication number 20170340494
- Publication date Nov 30, 2017
- Permobil AB
- Herbert Van de Wal
- B60 - VEHICLES IN GENERAL
Information Patent Application
CHASSIS ARRANGEMENT FOR AN ELECTRICALLY POWERED WHEELCHAIR AND AN E...
- Publication number 20170296409
- Publication date Oct 19, 2017
- Permobil AB
- Erik Kalf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CHASSIS ARRANGEMENT FOR AN ELECTRICALLY POWERED WHEELCHAIR AND AN E...
- Publication number 20170281436
- Publication date Oct 5, 2017
- Permobil AB
- Erik Kalf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE