IPC Main Group
G01N 1/00 Sampling; Preparing specimens for investigation
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
Additional Content
Limiting references
automatic analysis; handling materials therefor
Application references
preparation of samples for investigating or analysing solid materials using infra-red light sampling from the human or animal body for medical or veterinary diagnosis , apparatus for enzymology or microbiology, e.g. inoculator or sampler sampling of foundation soil or groundwater in-situ sampling of soil or well fluids, specially adapted to earth drilling or wells
Related Keywords
investigating FOUNDATION(S) soilSAMPLING for investigation of materials
2 direct subcodes
Child Classifications
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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