Inventor · disambiguated record
Viktor Dmitrievich Chugunov
Also filed as: CHUGUNOV VIKTOR DMITRIEVICH
3 granted patents·40 citations·filing 1975–1976
70Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0147US3980142ADrilling boomGRIGORIEV VLADIMIR KONSTANTINO·Filed 1975·Granted Sep 14, 1976·22 cites·3 claims
- 0233US4103745APortable drilling machineVARICH MIKHAIL SIDOROVICH·Filed 1976·Granted Aug 1, 1978·15 cites·2 claims
- 0317US4074773AHole drilling machineGRIGORIEV VLADIMIR KONSTANTINO·Filed 1976·Granted Feb 21, 1978·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →