Patent assignee · NL · COMPANY

Enraf B.V.

11Patents
11Active
11Granted
51Portfolio score

Filing activity: Feb 19, 2007 → Aug 3, 2009 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8319680B2 Radar liquid level detection using stepped frequency pulses Physics 14 Active
US8271212B2 Method for robust gauging accuracy for level gauges under mismatch and large opening effects in stillpipes and related apparatus Physics 12 Active
US7891229B2 Method and apparatus for real-time calibration of a liquid storage tank level gauge Physics 8 Active
US8159358B2 Apparatus and method for storage tank hatch monitoring in an inventory management system Performing Operations; Transporting 4 Active
US8631696B2 Apparatus and method for monitoring tanks in an inventory management system Electricity 4 Active
US8659472B2 Method and apparatus for highly accurate higher frequency signal generation and related level gauge Electricity 3 Active
US8251081B2 Device for metering fluids Emerging Cross-Sectional Technologies 3 Active
US8224594B2 Apparatus and method for dynamic peak detection, identification, and tracking in level gauging applications Physics 2 Active
US8234084B2 Apparatus and method for automatic gauge reading in an inventory control and management system Physics 2 Active
US8186214B2 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 Physics 0 Active
US8315825B2 Method and apparatus for adaptively handling level measurements under unstable conditions Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.