| |
 |
|
Class Information
Number: 307/118
Name: Electrical transmission or interconnection systems > Switching systems > Condition responsive > Fluid pressure, density, level, velocity or humidity
Description: Subject matter in which the system is responsive to fluid pressure, density, level, velocity or humidity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7557466 |
Humidity detection and power cut-off device |
Jul. 7, 2009 |
| 7427844 |
Switch assembly, electric machine having the switch assembly, and method of controlling the same |
Sep. 23, 2008 |
| 7090943 |
Regulating the communication of power to components of a fuel cell system |
Aug. 15, 2006 |
| 6970079 |
High/low level alarm controller |
Nov. 29, 2005 |
| 6892751 |
System and method for protecting a building |
May. 17, 2005 |
| 6688329 |
Water feeder controller for boiler |
Feb. 10, 2004 |
| 6675826 |
Automatic flood prevention system |
Jan. 13, 2004 |
| 6653245 |
Method for liquid phase deposition |
Nov. 25, 2003 |
| 6646361 |
Method of synchronizing the switching of a circuit breaker with voltage waveform |
Nov. 11, 2003 |
| 6646359 |
Electronic device with a housing for attachment to a pane of a motor vehicle |
Nov. 11, 2003 |
| 6636155 |
Gauge having adjustable activating means |
Oct. 21, 2003 |
| 6612812 |
Semiautomatic electronic system for sensing and increasing liquid in a containment vessel to a predetermine level |
Sep. 2, 2003 |
| 6584997 |
Overflow prevention mechanism for liquid transfer systems |
Jul. 1, 2003 |
| 6571625 |
Fluid level sensor |
Jun. 3, 2003 |
| 6529845 |
Computer for liquid level measurement |
Mar. 4, 2003 |
| 6523562 |
Plumbing flood control system |
Feb. 25, 2003 |
| 6522032 |
Electrical switch and method of generating an electrical switch output signal |
Feb. 18, 2003 |
| 6429548 |
Pressure switch |
Aug. 6, 2002 |
| 6424059 |
Gas insulated switching device |
Jul. 23, 2002 |
| 6229229 |
Liquid sensor for disabling an electrical device |
May. 8, 2001 |
| 6192321 |
Method of and apparatus for deterministically obtaining measurements |
Feb. 20, 2001 |
| 6186162 |
Leak detection and shut-off apparatus |
Feb. 13, 2001 |
| 6125870 |
Overflow protection for a washing machine |
Oct. 3, 2000 |
| 6119715 |
Automated pneumatic purger |
Sep. 19, 2000 |
| 6114823 |
Circuit and apparatus for sensing fluid flow |
Sep. 5, 2000 |
| 6060794 |
Power window device and a control device used for the same |
May. 9, 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 |
| 5982047 |
Pressure switching device |
Nov. 9, 1999 |
| 5973415 |
Capacitance level sensor |
Oct. 26, 1999 |
| 5965814 |
Freeze/overflow detector with deactivating mechanism |
Oct. 12, 1999 |
| 5932937 |
Power control system |
Aug. 3, 1999 |
| 5929532 |
Method and apparatus for controlling electrical power supplied to a trailer ABS control unit and to an auxiliary circuit responsive to emergency air brake supply line pressure |
Jul. 27, 1999 |
| 5923102 |
Automatic sub-floor pumping system |
Jul. 13, 1999 |
| 5889466 |
Apparatus and method of providing power control based on environmental conditions |
Mar. 30, 1999 |
| 5874787 |
Isolation and positive shut-off system for a fuel dispensing facility |
Feb. 23, 1999 |
| 5857482 |
System for control of fluid vessel overflows |
Jan. 12, 1999 |
| 5854518 |
Inline condensation alarm system for a central air conditioning unit |
Dec. 29, 1998 |
| 5847473 |
Electrical contactor having a double immersion sensing function |
Dec. 8, 1998 |
| 5828307 |
Hydrocarbon gas monitor desk |
Oct. 27, 1998 |
| 5811894 |
Safety module |
Sep. 22, 1998 |
| 5798697 |
Exhaust/supply direction indicator |
Aug. 25, 1998 |
| 5796184 |
Method and an apparatus for stopping a motor-driven pressure generating pump of a system for coating workpieces with atomized liquid coating material |
Aug. 18, 1998 |
| 5780940 |
Hot wire safety switch |
Jul. 14, 1998 |
| 5781387 |
Shock hazard protection system |
Jul. 14, 1998 |
| 5763961 |
Electronic switching device |
Jun. 9, 1998 |
| 5751074 |
Non-metallic liquid tilt switch and circuitry |
May. 12, 1998 |
| 5747895 |
System for temporarily preserving signal-flow around a signal switch |
May. 5, 1998 |
| 5661461 |
Exhaust/supply direction indicator |
Aug. 26, 1997 |
|
|
|
