Svein Ellingsrud

This inventor holds 19 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 5 EPO patents, primarily in Electromagnetic Surveying. Top assignees: Electromagnetic Geoservices as, Statoil Asa, Den Norske Stats Oljeselskap A.s.. Active years: 2002-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Svein Ellingsrud. Retrieved from https://idiyas.com/inventor/svein-ellingsrud

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 19 (Patent Applications = 2)

% Patents Active = 36.8

CIPO Patents = 2

EPO Patents = 5 (Patent Applications = 2)

Average Co-Inventor Count = 4.0

ph-index = 13

Forward Citations = 437(Granted Patents)

Company Filing History:

7 out of 10

Electromagnetic Geoservices as

Den Norske Stats Oljeselskap A.s.

patents

4. 1 out of 3

Electromagnetic Geoservices Asa

patents

5. 1 out of 1

Norgas Geotekniske Institut

patent

6. 1 out of 1

Norges Geotekniske Insitutt

patent

7. 4 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 2002-2015

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Areas of Expertise:

Electromagnetic Signals

Subsurface Environment

Hydrocarbon Recovery

Geological Properties

Resistivity Measurement

Wavefield Generation

Concrete Anchors

Submarine Reservoirs

Detection Methods

Guided Waves

Electromagnetic Waves

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9097816 - Apparatus for detecting low frequency electromagnetic field responses from a subsurface environment (2015-08-04),

2. 8228066 - Instrument for measuring electromagnetic signals (2012-07-24),

3. 8075685 - Controlled deterioration of non-reinforced concrete anchors (2011-12-13),

4. 7919965 - Source arrangement and method for generating electromagnetic wavefields (2011-04-05),

5. 7567084 - Method and apparatus for determining the nature of submarine reservoirs (2009-07-28),

6. 7202669 - Method and apparatus for determining the nature of subterranean reservoirs (2007-04-10),

7. 7145341 - Method and apparatus for recovering hydrocarbons from subterranean reservoirs (2006-12-05),

8. 7038456 - Method and apparatus for determining the nature of subterranean reservoirs (2006-05-02),

9. 7026819 - Electromagnetic surveying for mapping the content of subterranean reservoirs (2006-04-11),

10. 6900639 - Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves (2005-05-31),

11. 6864684 - Electromagnetic methods and apparatus for determining the content of subterranean reservoirs (2005-03-08),

12. 6859038 - Method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves (2005-02-22),

13. 6717411 - Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves (2004-04-06),

14. 6714153 - Device for electromagnetic detection of geological properties in a well (2004-03-30),

15. 6696839 - Electromagnetic methods and apparatus for determining the content of subterranean reservoirs (2004-02-24),

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.

Profile summary based on public USPTO records.