Inventor · disambiguated record

Ewald Dotzauer

Also filed as: DOTZAUER EWALD · HUETTL HEINZ

2 granted patents·3 citations·filing 1978–1984

37Inventor score

Technology areasH04Q

Files withSIEMENS AG2

Top patents by PatentIndex Score

2 records

0135US4187414ACircuit arrangement for an interference data alarm system in communication facilities, particularly in telephone equipmentSIEMENS AG·Filed 1978·Granted Feb 5, 1980·3 cites·7 claims
0223US4638123ACircuit arrangement for a small PABX with a switching matrix that has electronic crosspointsSIEMENS AG·Filed 1984·Granted Jan 20, 1987·0 cites·7 claims

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