MP

Malcolm Perschke

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
SI Smith International: 2 patents #259 of 708Top 40%
Overall (All Time): #674,450 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12209474 Lubricator for a well system and methods of operating same 2025-01-28
11530592 Wellhead lubricator and methods of operating same 2022-12-20
10689946 Downhole cement flow James Hall, Robert Olman 2020-06-23
10519743 Downhole cement flow James Hall, Robert Olman 2019-12-31
10227843 Downhole cement flow James Hall, Robert Olman 2019-03-12
8881817 Cutting tool Harshad Ramdas Patil, Nishant Koti 2014-11-11
7762330 Methods of making multiple casing cuts James E. Saylor, III, Thomas D. Helbert, Marc Henderson, Joeseph V. Hebert, Trygve Berthelsen +4 more 2010-07-27