Location History:
- La Porte, TX (US) (2004 - 2006)
- Alvin, TX (US) (2012 - 2024)
Company Filing History:
6 out of 5,728 
4 out of 895 
Years Active: 2004-2025
Title: The Innovative Contributions of Don A Hopmann
Introduction
Don A Hopmann is a notable inventor based in Alvin, Texas, with a remarkable portfolio of 10 patents. His work primarily focuses on advancements in downhole well tools, showcasing his expertise in engineering and innovation.
Latest Patents
Among his latest patents is the "Synchronized actuator having multiple motors for downhole well tool." This invention features a downhole tool, such as an interval control valve, equipped with multiple motors and two drive assemblies that displace a yoke. The design allows for a member, like a sliding sleeve, to be actuated in response to the yoke's displacement. The drive assemblies consist of first and second rotatable screws, with the yoke positioned on these screws. Each motor provides drive to rotate its respective screw, while an intermediate gear interconnects the rotation of the two screws, ensuring they rotate at the same speed. Another significant patent is the "Valve with erosion resistant flow trim." This valve assembly includes a housing with multiple longitudinally spaced ports, a sleeve that is longitudinally displaceable, and at least one deflector ring designed to block flow through an annular space formed between the housing and the sleeve's outer surface.
Career Highlights
Don A Hopmann has made significant contributions to the field through his work with prominent companies such as Baker Hughes Corporation and Weatherford Technology Holdings, LLC. His experience in these organizations has allowed him to develop innovative solutions that enhance the efficiency and reliability of downhole tools.
Collaborations
Throughout his career, Don has collaborated with talented individuals, including Sebastiaan J Wolters and Luis E Mendez. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Don A Hopmann's contributions to the field of downhole well tools exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to advancing technology in the oil and gas industry.