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Class Information
Number: 340/626
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Fluent material > Pressure
Description: Subject matter wherein the monitored condition is the pressure of the fluent material.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8658932 Device for detecting vacuum loss in a vacuum breaking apparatus and vacuum breaking apparatus comprising one such device Feb. 25, 2014
8653387 Rotary adjustment for dual switch assembly Feb. 18, 2014
8624705 Security system for containers Jan. 7, 2014
8593290 Overfill detection system for tank trucks Nov. 26, 2013
8558705 Ceramic sensors for wireless sensing Oct. 15, 2013
8508375 Comparative pressure monitoring instrument Aug. 13, 2013
8508365 Alarm color plate structure of a micro-differential pressure gauge Aug. 13, 2013
8477040 Method and apparatus for testing the integrity of a tank Jul. 2, 2013
8477029 Modular attribute sensing device Jul. 2, 2013
8471702 Method and system for compressor health monitoring Jun. 25, 2013
8427327 Liquid flow measuring during buoy-loading Apr. 23, 2013
8421643 Automatic valve seating integrity test Apr. 16, 2013
8400290 Nuisance alarm reduction method for therapeutic parameters Mar. 19, 2013
8400320 System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like Mar. 19, 2013
8395517 Filter monitoring device Mar. 12, 2013
8373539 Gas cutoff apparatus Feb. 12, 2013
8354934 Burst indicator Jan. 15, 2013
8311691 Control device for mobile unit Nov. 13, 2012
8306775 Apparatus, method, and program for detecting rotation speed information, and apparatus, method, and, program for detecting tire having decreased pressure Nov. 6, 2012
8289175 Fluid level warning system for vehicle Oct. 16, 2012
8264360 Fluid flow indicator with automatic alarm timer for low pressure/low flow applications Sep. 11, 2012
8228206 Explosion indicator for explosion-proof enclosures Jul. 24, 2012
8223028 Occlusion detection system and method Jul. 17, 2012
8144023 Tire inflation pressure detecting apparatus capable of triggering only selected transceiver to perform task Mar. 27, 2012
8122763 Breathing gas supply visual broadcast apparatus Feb. 28, 2012
8091422 Breathing gas supply visual broadcast apparatus Jan. 10, 2012
8072340 Water leakage monitoring system Dec. 6, 2011
8032256 Liquid level control systems Oct. 4, 2011
8029608 Furnace filter indicator Oct. 4, 2011
8013750 Device for detecting haematoma or subcutaneous haemorrhage after percutaneous coronary intervention Sep. 6, 2011
7990275 Fuel tank pressure indicator, including cap and container interface pressure indicator Aug. 2, 2011
7982624 System and method for accident prevention Jul. 19, 2011
7978340 System and method for determining positions of structures on a substrate Jul. 12, 2011
7942544 Hose mounted visual indicating device May. 17, 2011
7891241 Remote fire extinguisher station inspection Feb. 22, 2011
7889087 Immersion detection Feb. 15, 2011
7864064 Fugitive emissions detection devices Jan. 4, 2011
7843354 Activation sensing Nov. 30, 2010
7834772 Copper-watcher Nov. 16, 2010
7817024 Vehicle tire warning system Oct. 19, 2010
7808379 Mode selectable field transmitter Oct. 5, 2010
7804414 Collision-detecting device for automotive vehicle Sep. 28, 2010
7786878 Advanced transmitter isolation feature Aug. 31, 2010
7702488 Measuring device for capacitive pressure measure Apr. 20, 2010
7696862 Tractor-trailer tether sensor Apr. 13, 2010
7663496 Pressure switch Feb. 16, 2010
7639123 Fasten device for tire pressure alarm transmitter Dec. 29, 2009
7583199 Air cushion control system Sep. 1, 2009
7518484 Enclosure system allowing for hot work within the vicinity of flammable and combustible material Apr. 14, 2009
7499255 Vacuum-type electrical switching apparatus Mar. 3, 2009

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