RC

Roman Chirko

FM Fmc: 4 patents #59 of 469Top 15%
Overall (All Time): #952,477 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11261686 Tension latch tubing hanger apparatus Brian J. Baca, Cassandra E. Weimer 2022-03-01
11105175 Adjustable frac flow line Dan Fink, Brian J. Baca 2021-08-31
11072989 Hybrid two piece packoff assembly Kien Tan Vu 2021-07-27
10995863 Dual face-type seat seal arrangement for valve applications Tep Ungchusri, Gabriel Tiviroli-Melchert 2021-05-04
10480273 Hybrid two piece packoff assembly Kien Tan Vu 2019-11-19