IPC Main Group
G01T 5/00 Recording of movements or tracks of particles; Processing or analysis of such tracks
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASUREMENT OF NUCLEAR OR X-RADIATION
Related Keywords
measuring TRACK(S) of atomic or subatomic particles
6 direct subcodes
Child Classifications
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- G01T 5/02 Processing of tracks; Analysis of tracks
- G01T 5/04 Cloud chambers, e.g. Wilson chamber
- G01T 5/06 Bubble chambers
- G01T 5/08 Scintillation chambers
- G01T 5/1 Plates or blocks in which tracks of nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica
- G01T 5/12 Circuit arrangements with multi-wire or parallel-plate chambers, e.g. spark chambers
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