Inventor
CHIRKO ROMAN
US8 patents
Patents
8 patentsUS10480273B2Nov 19, 2019
Hybrid two piece packoff assembly
FMC TECH INC6 citations76
US10995863B2May 4, 2021
Dual face-type seat seal arrangement for valve applications
FMC TECH INC3 citations69
US11105175B2Aug 31, 2021
Adjustable frac flow line
FMC TECH INC6 citations65
US11072989B2Jul 27, 2021
Hybrid two piece packoff assembly
FMC TECH INC0 citations55
US11261686B2Mar 1, 2022
Tension latch tubing hanger apparatus
FMC TECH INC0 citations43
US12571475B2Mar 10, 2026
Gate valve with positive gate stop
FMC TECH INC0 citations42
US12595713B1Apr 7, 2026
Externally pressure-testable connector assembly
FMC TECH INC0 citations39
US12529270B1Jan 20, 2026
Connector assembly with tandem-acting locking assemblies
FMC TECH INC0 citations39