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PCE
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CPC Subgroup
G01N 5/02

by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content

Full Title

Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid (G01N9/00 takes precedence ) > by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 21,460
  2. ROBERT BOSCH DE 17,801
  3. SGCC(STATE GRID CORPORATION OF CHINA) 17,347
  4. SAMSUNG ELECTRONICS COMPANY KR 13,192
  5. QUALCOMM US 9,900
  6. HALLIBURTON ENERGY SERVICES GROUP US 9,742
  7. PHILIPS ELECTRONICS NL 7,249
  8. MITSUBISHI ELECTRIC CORPORATION JP 6,503
  9. ZHEJIANG UNIVERSITY 6,414
  10. DENSO CORPORATION JP 6,382