IPC Subgroup
G01R 31/36 Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
Introduced: January 1980
Last revised: January 2020
Full Title
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere > Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
10 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G01R 31/364 Battery terminal connectors with integrated measuring arrangements
- G01R 31/367 Software therefor, e.g. for battery testing using modelling or look-up tables
- G01R 31/371 with remote indication, e.g. on external chargers
- G01R 31/374 with means for correcting the measurement for temperature or ageing
- G01R 31/378 specially adapted for the type of battery or accumulator
- G01R 31/382 Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R 31/385 Arrangements for measuring battery or accumulator variables
- G01R 31/389 Measuring internal impedance, internal conductance or related variables
- G01R 31/392 Determining battery ageing or deterioration, e.g. state of health
- G01R 31/396 Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171