Location History:
- Inner Grove Heights, MN (US) (2007)
- Inver Grove Heights, MN (US) (2002 - 2011)
- West Saint Paul, MN (US) (2014 - 2023)
- West St. Paul, MN (US) (2012 - 2024)
Company Filing History:
17 out of 794 
14 out of 15 
12 out of 1,036 
Years Active: 2002-2025
Title: Innovations and Contributions of Eric Darrell Rotvold
Introduction
Eric Darrell Rotvold, a notable inventor based in West St. Paul, Minnesota, has made significant contributions to the field of industrial communication technology. With an impressive portfolio of 43 patents, he has pioneered various inventions that enhance the functionality and efficiency of legacy field devices and secure communications in process control systems.
Latest Patents
Among his latest innovations, Rotvold developed the "Advanced Physical Layer (APL) adapter for legacy field devices," which facilitates the connection of industrial process legacy field devices to a 2-wire APL spur. This invention features a first pair of terminals for connection, APL physical layer (PHY) circuitry, and connectivity circuitry that enables communication through an Ethernet protocol.
Another noteworthy patent is the "Publishing data across a data diode for secured process control communications." This innovation ensures secure communication from a process plant to a remote system by allowing a sending device at the plant to publish data across a unidirectional data diode. The data publication is context-aware, leveraging industrial communication protocols such as HART-IP or general-purpose communication protocols like JSON.
Career Highlights
Rotvold's career highlights include significant roles in esteemed organizations such as Fisher-Rosemount Systems, Inc. and the Hart Communication Foundation, where he applied his expertise in developing advanced communication technologies. His contributions in these roles have been instrumental in shaping modern industrial practices.
Collaborations
During his career, Rotvold has had the opportunity to collaborate with esteemed colleagues such as Mark J. Nixon and Wallace A. Pratt, Jr. Their collective expertise has undoubtedly contributed to the success of various projects and innovations in the field.
Conclusion
Eric Darrell Rotvold's impact on industrial communication technology through his inventions and patents is remarkable. His innovative approaches to enhancing legacy systems and secure communications reflect his commitment to advancing the industry. As technology continues to evolve, the contributions of inventors like Rotvold will play a crucial role in shaping the future of industrial processes.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.