Inventor · disambiguated record
Roman Chirko
Also filed as: CHIRKO ROMAN
5 granted patents·15 citations·filing 2016–2019
72Inventor score
Files withFMC TECH INC5
Top patents by PatentIndex Score
5 records- 0184US11105175B2Adjustable frac flow lineFMC TECH INC·Filed 2018·Granted Aug 31, 2021·6 cites·13 claims
- 0282US10480273B2Hybrid two piece packoff assemblyFMC TECH INC·Filed 2016·Granted Nov 19, 2019·6 cites·34 claims
- 0376US10995863B2Dual face-type seat seal arrangement for valve applicationsFMC TECH INC·Filed 2016·Granted May 4, 2021·3 cites·22 claims
- 0451US11072989B2Hybrid two piece packoff assemblyFMC TECH INC·Filed 2019·Granted Jul 27, 2021·0 cites·18 claims
- 0539US11261686B2Tension latch tubing hanger apparatusFMC TECH INC·Filed 2018·Granted Mar 1, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →