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PCE
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DIFF Main Group
G01M 1/00

Testing static or dynamic balance of machines or structures

Introduced: September 1968

Additional Content IPC

Balancing rotary bowls of centrifuges Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude Determining vessel properties with respect to stability or balance Aircraft stabilisation not otherwise provided for In assembly, mounting or commissioning of wind motors, balancing static or dynamic imbalances Centring the rotor within the stator; Balancing the rotor

Of 6 combined children, 5 exist in both systems.

1 codes exist only in IPC.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G01M 1/10 Determining the moment of inertia IPC+CPC Available in IPC and CPC
  • G01M 1/38 Combined machines or devices for both determining and correcting imbalance IPC only IPC only

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