Inventor · disambiguated record
Valentin A. Ivanov
Also filed as: IVANOV VALENTIN A
3 granted patents·31 citations·filing 1978–1980
70Inventor score
Technology areasE21D
Top patents by PatentIndex Score
3 records- 0155US4315701AShuttering for erecting a concrete tunnel liningIVANOV VALENTIN A·Filed 1980·Granted Feb 16, 1982·13 cites·2 claims
- 0253US4222681AShield for constructing tunnels with in-situ formed concrete liningKHODOSH VLADIMIR A·Filed 1978·Granted Sep 16, 1980·12 cites·3 claims
- 0336US4371290AShuttering for establishing concrete lining of tunnelsIVANOV VALENTIN A·Filed 1980·Granted Feb 1, 1983·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →