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Class Information
Number: 116/275
Name: Signals and indicators > Indicators > Fluid flow > Movable means in flow path > Lever or cantilever
Description: Devices wherein either the indicator is part of or connected to the element and turns about a fulcrum or pivot, or the indicator is flexible.

Patents under this class:

Patent Number Title Of Patent Date Issued
8528397 Hermeticity sensor and related method Sep. 10, 2013
8316698 Determining a repairing form of a defect at or close to an edge of a substrate of a photo mask Nov. 27, 2012
8122761 Biosensor based on polymer cantilevers Feb. 28, 2012
7966867 Scanning probe microscope Jun. 28, 2011
7958776 Atomic force gradient microscope and method of using this microscope Jun. 14, 2011
7887624 Gas concrete saw filtration system Feb. 15, 2011
7665350 Surface scanning method Feb. 23, 2010
5343826 Fluid indicator assemblies for sight flow apparatus Sep. 6, 1994
4822501 Use of lignin/amine/surfactant blends in enhanced oil recovery Apr. 18, 1989
4700742 Automatic shut-off device Oct. 20, 1987
4596442 Fiberoptic flow indicator system Jun. 24, 1986
4495823 Bidirectional flow meter Jan. 29, 1985
4484536 Apparatus for indicating fluid flow Nov. 27, 1984
4346607 Fluid flow meter with improved sealing means Aug. 31, 1982
4295134 Liquid flow detecting device Oct. 13, 1981
4197809 Flow responsive device Apr. 15, 1980

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