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EPO Patents = 6

Forward Citations = 54

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8 inventors (with patents filed for the assignee):

Bin Sai (9 out of 30 patents)

Fernand Wicht (2 out of 2 patents)

Ronald Schrier (1 out of 3 patents)

4. Ronald C Sehrier (1 out of 1 patent)

5. Dale Hicks (1 out of 1 patent)

6. John H Matthews (1 out of 1 patent)

7. Adrianus Leonardus David Van Schie (1 out of 1 patent)

8. Jan Leendert Stolk (1 out of 1 patent)

9. Ferencz Nandor Toth (1 patent)

11 patents: Sort by Forward Citations

1. 8659472 - Method and apparatus for highly accurate higher frequency signal generation and related level gauge (2014-02-25),

2. 8631696 - Apparatus and method for monitoring tanks in an inventory management system (2014-01-21),

3. 8319680 - Radar liquid level detection using stepped frequency pulses (2012-11-27),

4. 8315825 - Method and apparatus for adaptively handling level measurements under unstable conditions (2012-11-20),

5. 8271212 - Method for robust gauging accuracy for level gauges under mismatch and large opening effects in stillpipes and related apparatus (2012-09-18),

6. 8251081 - Device for metering fluids (2012-08-28),

7. 8234084 - Apparatus and method for automatic gauge reading in an inventory control and management system (2012-07-31),

8. 8224594 - Apparatus and method for dynamic peak detection, identification, and tracking in level gauging applications (2012-07-17),

9. 8186214 - Method and device for determining the level L of a liquid within a specified measuring range by means of radar signals transmitted to the liquid surface and radar signals reflected from the liquid surface (2012-05-29),

10. 8159358 - Apparatus and method for storage tank hatch monitoring in an inventory management system (2012-04-17),

11. 7891229 - Method and apparatus for real-time calibration of a liquid storage tank level gauge (2011-02-22),

Enraf B.V. is a leading provider of integrated tank terminal solutions for the oil and gas industry. With over 100 years of experience, the company offers a range of products including tank gauging systems, loading automation equipment, and safety systems. Enraf's advanced technology helps customers optimize their operations, improve safety, and increase efficiency.

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USPTO Data Jan 1 1976 - Dec 23 2025

11 Patents

#9 in Delft

#561 in Netherlands

#50,205 in the World

Delft, Netherlands

Enraf B.v.