Inventor · disambiguated record
Nikolai P. Chepurnoi
Also filed as: CHEPURNOI NIKOLAI P · CHEPURNOI NIKOLAI PROKHOROVICH · CHEREDNIKOV EVGENY N
9 granted patents·84 citations·filing 1975–1984
85Inventor score
Top patents by PatentIndex Score
9 records- 0170US3952813APercussive device for driving holes in soilCHEPURNOI NIKOLAI PROKHOROVICH·Filed 1975·Granted Apr 27, 1976·42 cites·12 claims
- 0248US4708211AReversible air-operated percussive action machine for driving holes in the groundINST GORNOGO DELA SIBIRSKOGO O·Filed 1984·Granted Nov 24, 1987·18 cites·4 claims
- 0339US4570723AMachine for driving holes in the groundINST GORNOGO DELA SIBIRSKOGO O·Filed 1984·Granted Feb 18, 1986·11 cites·4 claims
- 0431US4629008AReversible percussive action machineINST GORNOGO DELA SIBIRSKOGO O·Filed 1984·Granted Dec 16, 1986·6 cites·4 claims
- 0528US4174758APercussive action pneumatic device for drilling holes in soilINST GORNOGO DELA SIBIRSKOGO O·Filed 1978·Granted Nov 20, 1979·0 cites·2 claims
- 0626US4819741AReversiele percussion deviceTERSKOV ALEXEI D·Filed 1979·Granted Apr 11, 1989·5 cites·4 claims
- 0725US4398609AApparatus for sinking wells in the groundINST GORNOGO DELA SIBIRSKOGO O·Filed 1982·Granted Aug 16, 1983·0 cites·4 claims
- 0820US4606414APercussive air toolINST GORNOGO DELA SIBIRSKOGO O·Filed 1982·Granted Aug 19, 1986·2 cites·4 claims
- 0920US4440240AMethod 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 →