Patent classifications
Y
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Y10
TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Y10T
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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Y10T137/7722
Line condition change responsive valves
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Y10T137/7781
With separate connected fluid reactor surface
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Y10T137/7793
With opening bias [e.g., pressure regulator]
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Y10T137/7809
Reactor surface separated by apertured partition
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Y10T137/7812
Valve stem passes through the aperture
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Y10T137/7814
Reactor is an inverted cup having liquid seal
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