Inventor · disambiguated record
Hans-Otto Hartkopf
Also filed as: HARTKOPF HANS O · HARTKOPF HANS-OTTO
3 granted patents·52 citations·filing 1981–1984
68Inventor score
Files withSIEMENS AG3
Top patents by PatentIndex Score
3 records- 0174US4641243AComputer-controlled interlocking system for a railway installationSIEMENS AG·Filed 1984·Granted Feb 3, 1987·34 cites·4 claims
- 0256US4680809ALight waveguide coupling deviceSIEMENS AG·Filed 1984·Granted Jul 14, 1987·18 cites·6 claims
- 0321US4381094AApparatus for determining the signal term to be transmitted to a railroad traction vehicleSIEMENS AG·Filed 1981·Granted Apr 26, 1983·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →