| |
 |
|
Class Information
Number: 200/61.04
Name: Electricity: circuit makers and breakers > Special application > Liquid or moisture responsive
Description: Circuit controllers having means which become operative as a result of contact with nongaseous fluid(s) whose presence is merely Adventitious, or with vapor.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7419405 |
Dehumidifier safety cut-off system |
Sep. 2, 2008 |
| 7382269 |
Mold and fungus growth warning apparatus and method |
Jun. 3, 2008 |
| 7145053 |
Moisture indicator for a diaper |
Dec. 5, 2006 |
| 7131335 |
Pressure sensor with barrier providing impending sensor failure indication |
Nov. 7, 2006 |
| 7112752 |
System and method to delay activation of a powered device |
Sep. 26, 2006 |
| 7082959 |
Shutoff valve system with leak detector |
Aug. 1, 2006 |
| 7084363 |
Variable differential adjustor |
Aug. 1, 2006 |
| 7071830 |
Moisture sensor |
Jul. 4, 2006 |
| 6977351 |
Moisture absorptive rain sensor with sealed position sensing element for irrigation watering program interrupt |
Dec. 20, 2005 |
| 6950032 |
Apparatus and method for protection against appliance leaking |
Sep. 27, 2005 |
| 6853305 |
Air-conduit condensation sensor |
Feb. 8, 2005 |
| 6846994 |
System and method to delay closure of a normally closed electrical circuit |
Jan. 25, 2005 |
| 6787718 |
Device, method, and system for detecting the presence of liquid in proximity to electronic components |
Sep. 7, 2004 |
| 6750773 |
Liquid flow meter |
Jun. 15, 2004 |
| 6731215 |
Moisture monitoring system |
May. 4, 2004 |
| 6723932 |
Water immersed electrical switch and method for preparation thereof |
Apr. 20, 2004 |
| 6683535 |
Water detection system and method |
Jan. 27, 2004 |
| 6680618 |
Leak sensing switch |
Jan. 20, 2004 |
| 6679101 |
Device for detecting leakage in membranes |
Jan. 20, 2004 |
| 6635834 |
System and method to delay closure of a normally closed electrical circuit |
Oct. 21, 2003 |
| 6580013 |
Inexpensive diaper wetness monitoring system |
Jun. 17, 2003 |
| 6570109 |
Quick shut-off extended range hygroscopic rain sensor for irrigation systems |
May. 27, 2003 |
| 6489895 |
Fail-safe leak detection and flood prevention apparatus |
Dec. 3, 2002 |
| 6337632 |
Sump pump and moisture alarm |
Jan. 8, 2002 |
| 6230838 |
Rescue assist safety system |
May. 15, 2001 |
| 6091336 |
Moisture detection apparatus |
Jul. 18, 2000 |
| 6084520 |
Leak collection and supply shut off system |
Jul. 4, 2000 |
| 6024116 |
Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak |
Feb. 15, 2000 |
| 6003536 |
Automatic water shut-off valve |
Dec. 21, 1999 |
| 5992443 |
Valve system |
Nov. 30, 1999 |
| 5877689 |
Leak detector |
Mar. 2, 1999 |
| 5857482 |
System for control of fluid vessel overflows |
Jan. 12, 1999 |
| 5790036 |
Sensor material for use in detection of electrically conductive fluids |
Aug. 4, 1998 |
| 5777210 |
Oil quality sensor measuring bead volume |
Jul. 7, 1998 |
| 5719552 |
Automatic trailer illuminating lighting control system |
Feb. 17, 1998 |
| 5694970 |
Safety valve for water supply system |
Dec. 9, 1997 |
| 5632302 |
Overflow protection shut-off apparatus for use with a water heater |
May. 27, 1997 |
| 5619187 |
Alarm to prevent drowning |
Apr. 8, 1997 |
| 5557263 |
System for detection of electrically conductive fluids |
Sep. 17, 1996 |
| 5515025 |
Water level sensor, trailer using same and method of using trailer |
May. 7, 1996 |
| 5477018 |
Moisture-detecting, switching device and a method of forming the same |
Dec. 19, 1995 |
| 5428347 |
Water sensor system |
Jun. 27, 1995 |
| 5378995 |
Low molecular weight organic liquid detection sensor in the shape of a wire and detector using this sensor |
Jan. 3, 1995 |
| 5329081 |
Moisture sensor and switch |
Jul. 12, 1994 |
| 5267670 |
Fuel dispensing system having a flexible hose with a static dissipator and a fuel leak detector and method of making the same |
Dec. 7, 1993 |
| 5188143 |
Water leakage detection device |
Feb. 23, 1993 |
| 5173684 |
Low molecular weight organic liquid sensor and detection system using same |
Dec. 22, 1992 |
| 5151685 |
Water level alarm apparatus |
Sep. 29, 1992 |
| 5113892 |
Freeze control and drain valve |
May. 19, 1992 |
| 5102012 |
Fuel dispensing system having a flexible hose with a static dissipater and a fuel leak detector |
Apr. 7, 1992 |
|
|
|
