Inventor · disambiguated record
John Erik Hafsås
Also filed as: HAFSAAS JOHN ERIK · HAFSÅS JOHN ERIK
5 granted patents·7 citations·filing 1997–2019
68Inventor score
Top patents by PatentIndex Score
5 records- 0157US7445037B2Method and equipment for continuous or semicontinuous casting of metalNORSK HYDRO AS·Filed 2004·Granted Nov 4, 2008·4 cites·10 claims
- 0255US8413711B2Arrangement related to equipment for continuous or semi-continuous casting of metalVAAGLAND BJOERN·Filed 2008·Granted Apr 9, 2013·1 cites·8 claims
- 0352US10994328B2Method for castingNORSK HYDRO AS·Filed 2019·Granted May 4, 2021·0 cites·6 claims
- 0448US10500635B2Equipment for continuous or semi-continuous casting of metal with improved metal filling arrangementNORSK HYDRO AS·Filed 2016·Granted Dec 10, 2019·0 cites·8 claims
- 0529US6627010B1Method for the production of alloys form eutectic alloy systemsNORSK HYDRO AS·Filed 1997·Granted Sep 30, 2003·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when John Erik Hafsås files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →