Measuring and testing – Liquid level or depth gauge – Sight glass
Patent
1974-06-24
1976-07-13
Queisser, Richard C.
Measuring and testing
Liquid level or depth gauge
Sight glass
G01F 2302
Patent
active
039686884
ABSTRACT:
A liquid level gauge having at least one transparent wall and a base wall on the exterior of a vessel. The gauge is secured to and communicates with the interior of the vessel by an eyelet connecting adjacent ports in the gauge and the vessel.
REFERENCES:
patent: 2718147 (1955-09-01), Wilson
patent: 2994933 (1961-08-01), Wolfe
patent: 3049922 (1962-08-01), Schwaneke
patent: 3641967 (1972-02-01), Charbonneaux
patent: 3765249 (1973-10-01), Bissell
patent: 3886796 (1975-06-01), Gruett
Eaton John L.
Fagan John C.
Appleman John S.
Leitner Saul
Queisser Richard C.
SCM Corporation
Weinberger Ernest F.
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