WI

William Walter Marshall, IV

SC S.P.M. Flow Control: 1 patents #45 of 71Top 65%
SG Spm Oil & Gas: 1 patents #41 of 79Top 55%
Overall (All Time): #1,353,934 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11898553 Power end frame assembly for reciprocating pump Joseph H. Byrne, Chandu Kumar, Kourosh Momenkhani, Jacob A. Bayyouk, Sean Moran +2 more 2024-02-13
10393182 Power end frame assembly for reciprocating pump Joseph H. Byrne, Chandu Kumar, Kourosh Momenkhani, Jacob A. Bayyouk, Sean Moran +2 more 2019-08-27
4841404 Pump and electric motor protector Lamar D. Springer 1989-06-20