DH

Don A. Hopmann

BH Baker Hughes Holdings: 6 patents #538 of 3,522Top 20%
WH Weatherford Technology Holdings: 4 patents #139 of 753Top 20%
📍 Alvin, TX: #6 of 157 inventorsTop 4%
🗺 Texas: #15,190 of 125,132 inventorsTop 15%
Overall (All Time): #482,542 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12312909 Synchronized actuator having multiple motors for downhole well tool Nauman H. Mhaskar, Sebastiaan J. Wolters 2025-05-27
11933415 Valve with erosion resistant flow trim Nauman H. Mhaskar, Sebastiaan J. Wolters 2024-03-19
11371318 System and method for electrical control of downhole well tools Sebastiaan J. Wolters 2022-06-28
11125346 Prevention of gas migration through downhole control lines Otavio Maffud Cilli 2021-09-21
9133687 Tubing pressure insensitive pressure compensated actuator for a downhole tool and method James T. Sloan, Ronald J. Garr, Robert McDaniel, David E. Schneider 2015-09-15
8602658 Spoolable signal conduction and connection line and method Luis E. Mendez, Darin H. Duphorne, Darin Willauer 2013-12-10
8397828 Spoolable downhole control system and method Luis E. Mendez 2013-03-19
8237443 Position sensor for a downhole completion device Daniel M. Cousin, Levon H. Yeriazarian, Juan Franco, Ahmed Jasser, Priyesh Ranjan 2012-08-07
7104331 Optical position sensing for well control tools Terry R. Bussear, Michael A. Carmody, Steve Jennings, Edward Zisk, Michael W. Norris 2006-09-12
6798350 Method for repeating messages in long intelligent completion system lines Jorge O. Maxit, Izhar Ahmad, Dan Cousin, Terry A. Gibson 2004-09-28