with means for measuring the pressure imposed by the load on a liquid (pressure gauges per se G01L)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with means for measuring the pressure imposed by the load on a liquid

CPC: with means for measuring the pressure imposed by the load on a liquid (pressure gauges per se G01L)

Full Title

Full titles differ between systems:

IPC:

Weighing apparatus wherein the balancing is effected by fluid action > with means for measuring the pressure imposed by the load on a liquid

CPC:

Weighing apparatus wherein the balancing is effected by fluid action > with means for measuring the pressure imposed by the load on a liquid (pressure gauges per se G01L)

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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G01G 5/045 CPC only CPC only
G01G 5/06 with electrical indicating means since 1980 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