using radio waves (G01S19/00 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: using radio waves

CPC: using radio waves (G01S19/00 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Systems for determining distance or velocity not using reflection or reradiation > using radio waves

CPC:

Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S5/00) > using radio waves (G01S19/00 takes precedence)

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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G01S 11/023 CPC only CPC only
G01S 11/026 CPC only CPC only
G01S 11/04 using angle measurements since 1990 IPC+CPC Available in IPC and CPC
G01S 11/06 using intensity measurements since 1990 IPC+CPC Available in IPC and CPC
G01S 11/08 using synchronised clocks since 1990 IPC+CPC Available in IPC and CPC
G01S 11/10 using Doppler effect since 1990 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