For the Inventor, By the Inventor

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Trondheim, Norway

Sverre Knudsen

USPTO Granted Patents = 15

CIPO Patents = 4 (Patent Applications = 1)

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 285(Granted Patents)

Location History:

Trondheim, NO (2003 - 2020)
Oslo, NO (2014 - 2022)

Company Filing History:

Weatherford/lamb, Inc.

Pgs Geophysical As

6. 1 out of 895

Weatherford Technology Holdings, LLC

Years Active: 2003-2022

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11353523 - Detection of fields (2022-06-07),

2. 10670622 - Displacement sensor device and system (2020-06-02),

3. 10197589 - Displacement sensor device and system (2019-02-05),

4. 9470815 - Performance of permanently installed tubing conveyed seismic arrays using passive acoustic absorbers (2016-10-18),

5. 8720264 - Performance of permanently installed tubing conveyed seismic arrays using passive acoustic absorbers (2014-05-13),

6. 7369716 - High pressure and high temperature acoustic sensor (2008-05-06),

7. 7124818 - Clamp mechanism for in-well seismic station (2006-10-24),

8. 7072044 - Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer (2006-07-04),

9. 7013729 - Highly sensitive accelerometer (2006-03-21),

10. 6986389 - Adjustable deployment apparatus for an actively clamped tubing-conveyed in-well seismic station (2006-01-17),

11. 6891621 - Highly sensitive cross axis accelerometer (2005-05-10),

12. 6888972 - Multiple component sensor mechanism (2005-05-03),

13. 6789424 - Highly sensitive accelerometer (2004-09-14),

14. 6655188 - Method and system for calibrating a conversion unit of a fiber optic sensor head (2003-12-02),

15. 6575033 - Highly sensitive accelerometer (2003-06-10),

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