Inventor

BOBYLEV LEONID M

SU4 patents

⚠️ This page may combine multiple inventors who share the name “BOBYLEV LEONID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YANTSEN IVAN A

2 patents

US4658913AApr 21, 1987

Hydropneumatic percussive tool

YANTSEN IVAN A24 citations73

US4505340AMar 19, 1985

Hydropneumatic percussive tool

YANTSEN IVAN A20 citations64

GERASIMENKO NIKOLAI P

1 patent

US5031707AJul 16, 1991

Apparatus for making holes in soil

GERASIMENKO NIKOLAI P14 citations58

INST GORNOGO DELA SIBIRSKOGO O

1 patent

US4440240AApr 3, 1984

Method of making holes in the soil and apparatus for performing this method

INST GORNOGO DELA SIBIRSKOGO O0 citations41