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DIFF Main Group
G01N 33/00

Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Investigating or analysing materials by specific methods not covered by groups

CPC: Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

Full Title

Full titles differ between systems:

IPC:

Investigating or analysing materials by specific methods not covered by groups

CPC:

Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

Additional Content IPC

Determining the germinating capacity of seeds Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood, for medical or veterinary diagnosis Apparatus for enzymology or microbiology Measuring or testing processes involving enzymes or microorganisms, other than immunoassay (which is covered by ) investigation of foundation soil or ground water in-situ

Of 27 combined children, 15 exist in both systems.

12 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class G01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 41,447
  2. CHINESE ACADEMY OF SCIENCES 32,952
  3. ROBERT BOSCH DE 16,470
  4. SAMSUNG ELECTRONICS COMPANY KR 10,052
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
  6. ZHEJIANG UNIVERSITY 9,529
  7. GUANGDONG POWER GRID CORPORATION 8,615
  8. TSINGHUA UNIVERSITY 7,805
  9. HALLIBURTON ENERGY SERVICES GROUP US 7,796
  10. QUALCOMM US 7,171

Top Applicants (CPC)

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