Inventor · disambiguated record

Henry K. Johnsen

Also filed as: JOHNSEN HENRY K

2 granted patents·33 citations·filing 1978–1980

61Inventor score

Technology areasC25C

Files withNORSK HYDRO AS2

Top patents by PatentIndex Score

2 records

0179US4308116AMethod and electrolyzer for production of magnesiumNORSK HYDRO AS·Filed 1980·Granted Dec 29, 1981·26 cites·7 claims
0242US4198282AReplaceable cathode unit suitable as a module for building up of stable, non-deformable cathode systems in electrolyzers for the production of magnesium, and an electrolyzer with cathode units incorporated thereinNORSK HYDRO AS·Filed 1978·Granted Apr 15, 1980·7 cites·11 claims

Join the waitlist — get patent alerts

Get an alert when Henry K. Johnsen 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 →