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Class Information
Number: 137/552.7
Name: Fluid handling > With indicator, register, recorder, alarm or inspection means > Time
Description: Apparatus calibrated in time.

Patents under this class:

Patent Number Title Of Patent Date Issued
8694168 Digital shower system and operating method for water monitoring information thereof Apr. 8, 2014
8550114 Time remaining display assembly Oct. 8, 2013
8348243 Gas metering device for a home soda machine Jan. 8, 2013
8322366 Valve alarm Dec. 4, 2012
8307845 Flow rate controller Nov. 13, 2012
8104509 Water timer system having removable input and display module Jan. 31, 2012
8032256 Liquid level control systems Oct. 4, 2011
7819136 Hand washing timer Oct. 26, 2010
7114510 Valve with smart handle Oct. 3, 2006
7028605 Audible signal valve knob with timer Apr. 18, 2006
6426701 Handwash monitoring system Jul. 30, 2002
6283138 Pressure relief valve monitoring device Sep. 4, 2001
6236317 Method and apparatus for monitoring actions taken by a user for enhancing hygiene May. 22, 2001
6021799 Air regulator control system for powder coating operation Feb. 8, 2000
5771925 Soap dispenser and wash signal device Jun. 30, 1998
5760712 Fuel time indicator Jun. 2, 1998
5697222 Methods and apparatus for determining when a water reservoir in a refrigerator needs refilling Dec. 16, 1997
5617840 Cooking grill Apr. 8, 1997
5441070 Fluid management system Aug. 15, 1995
5320138 Fire sprinkler testing system and control panel Jun. 14, 1994
5146991 Method for well production Sep. 15, 1992
4916617 Controller for well installations Apr. 10, 1990
4800367 Method of sensing and indicating errors in a dosing circuit Jan. 24, 1989
4775855 Hose leak detectors Oct. 4, 1988
4771485 Faucet fixture Sep. 20, 1988
4730637 Fluid loss, damage prevention and control system Mar. 15, 1988
4476894 Valve with circulation timer Oct. 16, 1984
4352376 Controller for well installations Oct. 5, 1982
4337786 Variable rate fertilizer injection system Jul. 6, 1982
4181121 Serial release mechanism and drainage monitor embodying the same Jan. 1, 1980
3976989 Electronic pressure cycle indicator Aug. 24, 1976

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