G01N 29/00 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 (G01N3/00 - G01N27/00 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: 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
CPC: 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 (G01N3/00 - G01N27/00 take precedence)
Full Title
Full titles differ between systems:
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
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 (G01N3/00 - G01N27/00 take precedence)
Additional Content IPC
Limiting references
Investigating strength properties of solid materials by application of mechanical stress Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid Analysing materials by measuring the pressure or volume of a gas or vapour Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; analysing materials by determining surface, boundary or diffusion effects Investigating characteristics of particles; investigating permeability, pore-volume or surface-area of porous materials Investigating resistance of materials to the weather, to corrosion or to light Investigating materials by mechanical methods Investigating or analysing materials by the use of optical means, i.e. using infrared, visible or ultraviolet light Investigating or analysing materials by the use of microwaves Investigating or analysing materials by the use of other wave or particle radiation, e.g. X-rays or neutrons Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects Investigating or analysing materials by the use of thermal means Investigating or analysing materials by the use of electric, electrochemical or magnetic means
Application references
Medical or veterinary diagnosis on the human or animal body using ultrasonic, sonic or infrasonic waves, e.g. examination of body cavities or body tracts
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01N 29/02 Analysing fluids (using acoustic emission techniques G01N29/14 ) +1 CPC IPC+CPC Available in IPC and CPC
- G01N 29/04 Analysing solids (using acoustic emission techniques G01N29/14) +4 CPC IPC+CPC Available in IPC and CPC
- G01N 29/34 Generating the ultrasonic, sonic or infrasonic waves since 2006 +3 CPC IPC+CPC Available in IPC and CPC
- G01N 29/44 Processing the detected response signal since 2006 +7 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G01,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171
Top Applicants (CPC)
Class G01,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382