Inventor · disambiguated record
Andrei B. Koval
Also filed as: KOVAL ANDREI B
3 granted patents·61 citations·filing 1997–1998
73Inventor score
Files withOBSCHESTVO S OGRANICHENNOI OTV1OBSCHESTVO S ORGRANICHENNOI OT1OBSCHETVO S OGRANICHENNOI OTVE1
Top patents by PatentIndex Score
3 records- 0157US6418644B1Apparatus and method for padding the ground below a duct using excavated soils, equipment for compacting soil below a duct, and a soil-compacting mechanismOBSCHETVO S OGRANICHENNOI OTVE·Filed 1998·Granted Jul 16, 2002·28 cites·48 claims
- 0250US6154988AMachine for digging under pipes and caterpillar traction deviceOBSCHESTVO S ORGRANICHENNOI OT·Filed 1997·Granted Dec 5, 2000·22 cites·39 claims
- 0335US6418646B1Machine for digging into the lower layers of the groundOBSCHESTVO S OGRANICHENNOI OTV·Filed 1998·Granted Jul 16, 2002·11 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →