Inventor
WIDELL BJORN
SE11 patents
⚠️ This page may combine multiple inventors who share the name “WIDELL BJORN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASEA AB
6 patentsUS4149024AApr 10, 1979
Arc furnace for reducing metal oxides and method for operating such a furnace
ASEA AB29 citations81
US3940551AFeb 24, 1976
Apparatus and method for the melt reduction of iron oxides
ASEA AB20 citations80
US4146390AMar 27, 1979
Furnace and method for the melt reduction of iron oxide
ASEA AB14 citations73
US4135052AJan 16, 1979
Dc arc furnace arc control
ASEA AB8 citations73
US4080195AMar 21, 1978
Melt reduction of iron ore
ASEA AB8 citations73
US4177061ADec 4, 1979
Method for making iron-chromium alloys
ASEA AB6 citations62
STORA KOPPARBERGS BERGSLAGS AB
4 patentsUS4073642AFeb 14, 1978
Method for reducing material containing iron oxides
STORA KOPPARBERGS BERGSLAGS AB58 citations94
US4094665AJun 13, 1978
Method for simultaneous combined production of electrical energy and crude iron
STORA KOPPARBERGS BERGSLAGS AB21 citations81
US4070181AJan 24, 1978
Method for reduction of finely divided metal oxide material
STORA KOPPARBERGS BERGSLAGS AB19 citations81
US4084958AApr 18, 1978
Method of reducing finely grained material containing iron oxides in a fluid bed
STORA KOPPARBERGS BERGSLAGS AB12 citations73