Measuring and testing – Liquid level or depth gauge – Float
Reexamination Certificate
2006-03-21
2006-03-21
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid level or depth gauge
Float
C340S623000, C340S625000, C116S227000
Reexamination Certificate
active
07013728
ABSTRACT:
A system for detecting the level of liquid in a tank includes a sensor part provided to the tank and for sensing a position of the liquid level in accordance with displacement of a float, and a sensor casing arranged in the tank to be isolated from liquid and for accommodating the sensor part.
REFERENCES:
patent: 4987400 (1991-01-01), Fekete
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patent: 98/45673 (1998-10-01), None
Kumagai Masato
Ohhashi Hironori
Okada Hiroshi
Bellamy Tamiko
Hitachi , Ltd.
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