CPC Subgroup Additional Only
G01N 2291/0258 Structural degradation, e.g. fatigue of composites, ageing of oils
Full Title
Indexing codes associated with group G01N29/00 > Indexing codes associated with the analysed material > Change of phase or condition > Structural degradation, e.g. fatigue of composites, ageing of oils
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382