Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ST

Sascha Trummer

Schlumberger Technology: 7 patents #897 of 7,293Top 15%
Sugar Land, TX: #433 of 1,869 inventorsTop 25%
Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #692,490 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12000261 System and methodology for determining appropriate rate of penetration in downhole applications Zhanke Liu, Richard Morrison, Luis Silva, Jordi Juan Segura Dominguez, Charles Kearney 2024-06-04
11933127 System and method for controlled downhole chemical release Richard Morrison 2024-03-19
11808097 Flow rate pressure control during mill-out operations Richard Morrison, Luis Silva, Zhanke Liu 2023-11-07
11619124 System and methodology to identify milling events and performance using torque-thrust curves Richard Morrison, Luis Silva, Zhanke Liu, Charles Kearney, Jordi Juan Segura Dominguez +2 more 2023-04-04
8978760 Method of placing ball sealers for fluid diversion Eric Clum, Curtis L. Boney, Jorge E. Lopez de Cardenas, Belgin Baser, Jason Swaren 2015-03-17
8561696 Method of placing ball sealers for fluid diversion Eric Clum, Curtis L. Boney, Jorge E. Lopez de Cardenas, Belgin Baser, Jason Swaren 2013-10-22
8312925 Bottom hole assembly for wellbore operations Douglas Pipchuk 2012-11-20