Inventor · disambiguated record
Vladimir F. Drobyazko
Also filed as: DROBYAZKO VLADIMIR F · TKACH KHAIM B
2 granted patents·7 citations·filing 1977–1981
45Inventor score
Technology areasE21B
Files withINST GORNOGO DELA SIBIRSKOGO O2
Top patents by PatentIndex Score
2 records- 0133US4171727AReversible, percussive device for ground perforationINST GORNOGO DELA SIBIRSKOGO O·Filed 1977·Granted Oct 23, 1979·7 cites·3 claims
- 0220US4440240AMethod of making holes in the soil and apparatus for performing this methodINST GORNOGO DELA SIBIRSKOGO O·Filed 1981·Granted Apr 3, 1984·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →