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PCE
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DIFF Subgroup
G01S 5/18

using ultrasonic, sonic or infrasonic waves

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations > using ultrasonic, sonic or infrasonic waves

CPC:

Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations > using ultrasonic, sonic or infrasonic waves

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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  • G01S 5/183 CPC only CPC only
  • G01S 5/186 CPC only CPC only
  • G01S 5/20 Position of source determined by a plurality of spaced direction-finders since 1990 IPC+CPC Available in IPC and CPC
  • G01S 5/22 Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/28 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
  • G01S 5/24 Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location since 1990 IPC+CPC Available in IPC and CPC
  • G01S 5/26 Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/28 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
  • G01S 5/28 by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial since 1990 IPC+CPC Available in IPC and CPC
  • G01S 5/30 Determining absolute distances from a plurality of spaced points of known location since 1990 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