Inventor · disambiguated record
Hans J. Topfer
Also filed as: TOEPFER HANS J · TOEPFER HANS-JOERG
3 granted patents·56 citations·filing 1977–1980
72Inventor score
Files withHAMBURGER STAHLWERKE GMBH3
Top patents by PatentIndex Score
3 records- 0177US4248623AProcess for the direct reduction of iron oresHAMBURGER STAHLWERKE GMBH·Filed 1979·Granted Feb 3, 1981·22 cites·17 claims
- 0275US4374585AApparatus for the direct reduction of iron oresHAMBURGER STAHLWERKE GMBH·Filed 1980·Granted Feb 22, 1983·24 cites·9 claims
- 0345US4222257AMethod of manufacturing rolled wire rodHAMBURGER STAHLWERKE GMBH·Filed 1977·Granted Sep 16, 1980·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →