ClassID:

171542

G01R21/1335 - CPC Classification

Classification description:

Arrangements for measuring electric power or power factor by using digital technique adapted for special tariff measuring Tariff switching circuits

Recent Application in this class:
#1
20230069377
2023-03-02

ELECTRIC METER INTERRUPT DEVICE

#2
20190041438
2019-02-07

Measuring and reporting power received from guided surface waves

#3
20180031619
2018-02-01

Measuring and reporting power received from guided surface waves

#4
20170067947
2017-03-09

Measuring and reporting power received from guided surface waves

#5
20160330072
2016-11-10

HVAC unit, a method of generating a network address for a HVAC unit and a HVAC controller therefor

#6
20150346250
2015-12-03

Method, apparatus, and system for counting electricity consumption

#7
20150142181
2015-05-21

Staggered start-up HVAC system, a method for starting an HVAC unit and an HVAC controller configured for the same

#8
20150105919
2015-04-16

Outdoor fan and indoor blower controller for heating, ventilation and air conditioning system and method of operation thereof

#9
20120296785
2012-11-22

Voltage-dependent meter

#10
20120122323
2012-05-17

Air conditioning wiring system

#11
20100299563
2010-11-25

HVAC system, a method for determining a source of a reset and a HVAC controller configured for the same

#12
20100298993
2010-11-25

Airflow managing system, a method of monitoring the airflow in an HVAC system and a HVAC system

#13
20100298989
2010-11-25

HVAC system with automated blower capacity dehumidification, a HVAC controller therefor and a method of operation thereof

#14
20100298988
2010-11-25

Staggered start-up HVAC system, a method for starting an HVAC unit and an HVAC controller configured for the same

#15
20100298987
2010-11-25

Constant air volume HVAC system with a dehumidification function and discharge air temperature control, an HVAC controller therefor and a method of operation thereof

#16
20100298986
2010-11-25

HVAC system, a method for determining a location of an HVAC unit with respect to a site and an HVAC controller

#17
20100298985
2010-11-25

Customer equipment profile system for HVAC controls

#18
20100298984
2010-11-25

USB HVAC SERVICE VERIFICATION

#19
20100298983
2010-11-25

Variable speed motor control method and apparatus

#20
20100298982
2010-11-25

Outdoor fan and indoor blower controller for heating, ventilation and air conditioning system and method of operation thereof

#21
20100298981
2010-11-25

Heating, ventilation and air conditioning system controller having a multifunctional indoor air quality sensor and method of controlling the system based on input from the sensor

#22
20100295700
2010-11-25

HVAC unit, a method of generating a network address for a HVAC unit and a HVAC controller therefor

#23
20100295493
2010-11-25

HVAC equipment phase and voltage monitor and control

#24
20100294845
2010-11-25

Wiring connector housing

#25
20100293991
2010-11-25

Air conditioning wiring system

#26
20100271234
2010-10-28

Flow consumption modular meter

#27
20100138001
2010-06-03

System and method utilizing virtual switching for upgrading multifunction devices

#28
20100109650
2010-05-06

Apparatus for electronically measuring or distributing electrical energy

#29
20090094173
2009-04-09

Intelligent Power Unit, and Applications Thereof

#30
20080097708
2008-04-24

System and method utilizing virtual switching for substation automation

#31
20080068006
2008-03-20

Apparatus for electronically measuring electrical energy

#32
20080068005
2008-03-20

Apparatus for electronically measuring or distributing electrical energy

#33
20080068004
2008-03-20

Electronic revenue meter with automatic service sensing

#34
20070118306
2007-05-24

System and method utilizing virtual switching for electrical panel metering

#35
20060020405
2006-01-26

System and method utilizing virtual switching for electrical panel metering

#36
20050194962
2005-09-08

Electronic revenue meter with automatic service sensing