Company Filing History:
7 out of 10 
6 out of 106 
1 out of 146 Years Active: 2002-2015
Title: Innovations by Svein Ellingsrud in Electromagnetic Detection
Introduction
Svein Ellingsrud, based in Trondheim, Norway, is a notable inventor in the field of electromagnetic detection, holding a total of 19 patents. His innovative solutions have significantly contributed to advancements in measuring low-frequency electromagnetic fields, particularly in underwater environments.
Latest Patents
Among his latest patents, Svein has developed an "Apparatus for detecting low frequency electromagnetic field responses from a subsurface environment." This advanced electromagnetic receiver instrument is designed for underwater electric field measurements and features a dipole antenna, an AM modulator for signal modulation, a fiber-optic voltage sensor, and an AM demodulator for signal demodulation. The fiber-optic sensor can either be an interferometric voltage sensor or a phase-sensitive voltage sensor.
Another notable patent is the "Instrument for measuring electromagnetic signals," which outlines a device and method for measuring electromagnetic signals near the sea floor. This device comprises a central housing with a data management system, two extending arms equipped with flexible sheaths, sensor heads, and connecting rods. This technology enables accurate data collection at significant depths.
Career Highlights
Svein Ellingsrud has had a distinguished career, working with esteemed organizations such as Electromagnetic Geoservices AS and Statoil ASA, where he has harnessed his expertise in electromagnetic measurements and environmental sensing.
Collaborations
Throughout his career, he has collaborated with renowned colleagues like Terje Eidesmo and Fan-nian Kong, fostering advancements in the scientific community and contributing to innovative projects.
Conclusion
Svein Ellingsrud’s contributions to the field of electromagnetic detection underline his status as a leading inventor. His patents not only showcase advanced technology but also reflect his commitment to enhancing our understanding of electromagnetic fields and their applications. His ongoing work continues to inspire future innovations in this critical area of research.