H04B2203/5475 - CPC Classification Index

ClassID:

224129 ⎘

H04B2203/5475 - CPC Classification

Classification description:

Indexing scheme relating to line transmission systems; Aspects of powerline communications not already covered by and its subgroups; Systems for power line communications adapted for drill or well combined with data transmission

Recent Application in this class:

20260121687

2026-04-30

DISCRETE MULTITONE BASED WIRELINE TELEMETRY SYSTEM FOR SINGLE-MODE TELEMETRY APPLICATIONS

20220333483

2022-10-20

Integrated downhole system with plural telemetry subsystems

20220127955

2022-04-28

Wellbore communication methods and systems

20210381367

2021-12-09

Integrated downhole system with plural telemetry subsystems

20210234734

2021-07-29

Noise compensation for communication on power line downhole

20210119669

2021-04-22

Powerline interface communication

20200325768

2020-10-15

Digital baseband communication on power line downhole

20190341966

2019-11-07

Power-line communications

20190284930

2019-09-19

Integrated downhole system with plural telemetry subsystems

#10

20190203589

2019-07-04

Integrated downhole system with plural telemetry subsystems

#11

20190186246

2019-06-20

Multi-gauge communications over an ESP power bus

#12

20180248584

2018-08-30

Downhole telemetry using motor current spikes

#13

20180006684

2018-01-04

AC/DC downhole power switch using switching communication system

#14

20170272120

2017-09-21

Multi-stage equalisation method and apparatus for use in telemetry

#15

20170260851

2017-09-14

Reducing common mode noise with respect to telemetry equipment used for monitoring downhole parameters

#16

20170194784

2017-07-06

Ground fault immune sensor power supply for downhole sensors

#17

20170159426

2017-06-08

Integrated downhole system with plural telemetry subsystems

#18

20160369622

2016-12-22

Power transmission and communication between processors and energy industry devices

#19

20160233924

2016-08-11

Transmitting electrical power and data

#20

20160013835

2016-01-14

Multi-stage equalisation method and apparatus for use in telemetry

#21

20160006481

2016-01-07

Telemetry equipment for multiphase electric motor systems

#22

20160003035

2016-01-07

Integrated downhole system with plural telemetry subsystems

#23

20150176397

2015-06-25

Data communications system

#24

20150145461

2015-05-28

Input EMI filter for motor drive including an active rectifier

#25

20150109139

2015-04-23

Data communications system

#26

20150109138

2015-04-23

Data communications system

#27

20150029036

2015-01-29

Systems and methods for ground fault immune data measurement systems for electronic submersible pumps

#28

20150008992

2015-01-08

Communication using multiple conductor cable

#29

20140118158

2014-05-01

Artificial lift equipment power line communication

#30

20130293029

2013-11-07

Electrical power and/or electrical signal transmission

#31

20130211554

2013-08-15

Power and communication assembly for connection to remote electronic devices

#32

20130148747

2013-06-13

Transmitting electrical power and communication signals

#33

20130082516

2013-04-04

Signal and power transmission system

#34

20130021166

2013-01-24

SYSTEM AND METHOD FOR BOREHOLE COMMUNICATION

#35

20130009459

2013-01-10

CONNECTING DEVICE FOR CONNECTING ELECTRICAL POWER SUPPLY LINES OF DRILLING AND PRODUCTION FACILITIES

#36

20120299742

2012-11-29

Power and signal distribution system

#37

20120263243

2012-10-18

System for communicating over a power cable

#38

20120061971

2012-03-15

Wind turbine generator

#39

20120037354

2012-02-16

Systems and Methods for Downhole OFDM Communications

#40

20110210756

2011-09-01

DEVICE FOR DETERMINING THE LENGTH OF A SET OF BORING RODS

#41

20100289668

2010-11-18

Power and signal distribution system

#42

20100284453

2010-11-11

Method and modem for subsea power line communication

#43

20100052940

2010-03-04

POWER LINE COMMUNICATION DEVICE FOR SUBSEA WELL

#44

20090321079

2009-12-31

POWER LINE COMMUNICATION SYSTEM

#45

20090229820

2009-09-17

Downhole sensor interface

#46

20090211171

2009-08-27

Multi-dwelling unit multipurpose signal distribution apparatus

#47

20080272932

2008-11-06

Data communication and power supply system for downhole applications

#48

20080272904

2008-11-06

Signalling Method

#49

20080223569

2008-09-18

Centering assembly for an electric downhole connection

#50

20080220664

2008-09-11

Wiper for tool string direct electrical connection

#51

20080212691

2008-09-04

Signalling method and apparatus

#52

20080166917

2008-07-10

Tool string direct electrical connection

#53

20080088419

2008-04-17

Method and system for power line networking for industrial process control applications

#54

20080003894

2008-01-03

Wiper for tool string direct electrical connection

#55

20070007001

2007-01-11

Redundant systems for downhole permanent installations

#56

20060195202

2006-08-31

System and method for data retrieval in AC power tools via an AC line cord

#57

20060102341

2006-05-18

Signalling method and apparatus

#58

20060055555

2006-03-16

Communication apparatus