CL

Calvin C. Liu

NV National Oilwell Varco: 1 patents #240 of 551Top 45%
FM Fmc: 1 patents #239 of 469Top 55%
Overall (All Time): #1,806,583 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11644107 Front loaded seat seal Scott E. Linder, Robert P. Matson 2023-05-09
10837561 Intermitter valve Lane P. McCaskill, Nitin P. Suares 2020-11-17