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PCE
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DIFF Subgroup
G01M 1/16

by oscillating or rotating the body to be tested

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Testing static or dynamic balance of machines or structures > Determining imbalance > by oscillating or rotating the body to be tested

CPC:

Testing static or dynamic balance of machines or structures > Determining imbalance (G01M1/30 takes precedence) > by oscillating or rotating the body to be tested

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G01M 1/18 and running the body down from a speed greater than normal IPC+CPC Available in IPC and CPC
  • G01M 1/20 and applying external forces compensating forces due to imbalance IPC+CPC Available in IPC and CPC
  • G01M 1/24 Performing balancing on elastic shafts, e.g. for crankshafts IPC+CPC Available in IPC and CPC
  • G01M 1/26 with special adaptations for marking, e.g. by drilling IPC+CPC Available in IPC and CPC
  • G01M 1/28 with special adaptations for determining imbalance of the body in situ, e.g. of vehicle wheels IPC+CPC Available in IPC and CPC

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