Patents-Review.com
ClassID:

238418 ⎘

Y10S116/25 - CPC Classification

Classification description:

Signals and indicators Air filter condition indicator

Recent Application in this class:
#1
20200285258
2020-09-10

Method and Apparatus for Monitoring Refrigeration-Cycle Systems

 #2
20200030732
2020-01-30

Device and method for detecting filter clogging

 #3
20180129233
2018-05-10

Method and apparatus for monitoring refrigeration-cycle systems

 #4
20150261230
2015-09-17

Method and apparatus for monitoring refrigeration-cycle systems

 #5
20140012422
2014-01-09

Method and apparatus for monitoring refrigeration-cycle systems

 #6
20140000294
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #7
20140000293
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #8
20140000292
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #9
20140000291
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #10
20140000290
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #11
20130287063
2013-10-31

Method and apparatus for monitoring a refrigeration-cycle system

 #12
20130074699
2013-03-28

Clog indicating device in a dust collector

 #13
20120260804
2012-10-18

Air filter monitoring system

 #14
20090071392
2009-03-19

FLUID FLOW RESTRICTION INDICATOR

 #15
20080223051
2008-09-18

INTELLIGENT THERMOSTAT SYSTEM FOR MONITORING A REFRIGERANT-CYCLE APPARATUS

 #16
20080216495
2008-09-11

INTELLIGENT THERMOSTAT SYSTEM FOR LOAD MONITORING A REFRIGERANT-CYCLE APPARATUS

 #17
20080148947
2008-06-26

Air filter status evaluator

 #18
20080016888
2008-01-24

METHOD AND APPARATUS FOR MONITORING REFRIGERANT-CYCLE SYSTEMS

 #19
20080015797
2008-01-17

Air filter monitoring system

 #20
20070272082
2007-11-29

Method and apparatus for monitoring the condition of a flexible filter

 #21
20070272081
2007-11-29

Filter change indicator

 #22
20070186520
2007-08-16

Filter assembly with adjustable inlet opening

 #23
20070079589
2007-04-12

Gas concrete saw filtration system

 #24
20060196197
2006-09-07

Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus

 #25
20060196196
2006-09-07

Method and apparatus for airflow monitoring refrigerant-cycle systems

 #26
20060169136
2006-08-03

System and method for excluding false back pressure faults after installation of a particulate trap filter

 #27
20060163127
2006-07-27

Fluid flow restriction indicator

 #28
20060144232
2006-07-06

Method for detecting a fault in an HVAC system

 #29
20060117722
2006-06-08

Air supply systems and pressure adjustment devices for use therewith

 #30
20060032379
2006-02-16

Air filter monitoring system

 #31
20060032248
2006-02-16

Method and apparatus for monitoring air-exchange evaporation in a refrigerant-cycle system

 #32
20060032247
2006-02-16

Method and apparatus for monitoring a condenser unit in a refrigerant-cycle system

 #33
20060032246
2006-02-16

Intelligent thermostat system for monitoring a refrigerant-cycle apparatus

 #34
20060032245
2006-02-16

Method and apparatus for monitoring refrigerant-cycle systems

 #35
20050247194
2005-11-10

Technique for detecting and predicting air filter condition

 #36
20050126397
2005-06-16

Filter sensor and indicator for vacuum cleaners