Measuring and testing – Liquid level or depth gauge
Patent
1977-09-19
1978-05-23
Woodiel, Donald O.
Measuring and testing
Liquid level or depth gauge
G01F 2300
Patent
active
040904075
ABSTRACT:
A device is disclosed for measuring the level of water comprising a hollow, oblong structure with an open end extended into the water, signal sending and receiving means secured onto the structure, an insert containing a hole secured within the structure, and electronic means connected to the signal sending and receiving means to receive and evaluate technical information in order to determine the level of the water.
REFERENCES:
patent: 2713263 (1955-07-01), Turner
patent: 3357246 (1967-12-01), Stearn et al.
patent: 3394589 (1968-07-01), Tomioka
Moore, Jr. Wesley E.
Shuler Cobia B.
Ellis Gayle F.
Kline Larry Harold
Salisbury, III T. W.
Woodiel Donald O.
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