IPC Subgroup
G01R 31/58 Testing of lines, cables or conductors
Introduced: 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 > Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections > Testing of lines, cables or conductors
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
Additional Content
Testing of electric windings
2 direct subcodes
Child Classifications
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- G01R 31/59 while the cable continuously passes the testing apparatus, e.g. during manufacture
- G01R 31/6 Identification of wires in a multicore cable
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