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IPC Subgroup
G01N 29/26

Arrangements for orientation or scanning

Introduced: January 1990

Last revised: January 2006

Full Title

Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object > Details > Arrangements for orientation or scanning

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

3 direct subcodes

Child Classifications

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  • G01N 29/265 by moving the sensor relative to a stationary material
  • G01N 29/27 by moving the material relative to a stationary sensor
  • G01N 29/275 by moving both the sensor and the material

Top Applicants

Top 10 applicants by patent filingsfor 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