Inventor · disambiguated record

Karl Harhoff

Also filed as: HARHOFF KARL

2 granted patents·24 citations·filing 1977–1986

59Inventor score

Technology areasB65G E21D

Files withGEWERK EISENHUETTE WESTFALIA2

Top patents by PatentIndex Score

2 records

0174US4173421AShield apparatus for use in tunnelling or miningGEWERK EISENHUETTE WESTFALIA·Filed 1977·Granted Nov 6, 1979·20 cites·5 claims
0223US4714154AMaterial and transfer loading apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1986·Granted Dec 22, 1987·4 cites·13 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →