having means for controlling the rate of feed or discharge (regulation of flow of fluent material G05D)

Introduced: September 1968

Title

Titles differ between systems:

IPC: having means for controlling the rate of feed or discharge

CPC: having means for controlling the rate of feed or discharge (regulation of flow of fluent material G05D)

Full Title

Full titles differ between systems:

IPC:

Apparatus for weighing a continuous stream of material during flow; Conveyor-belt weighers > having means for controlling the rate of feed or discharge

CPC:

Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers > having means for controlling the rate of feed or discharge (regulation of flow of fluent material G05D)

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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G01G 11/083 CPC only CPC only
G01G 11/086 CPC only CPC only
G01G 11/10 by controlling the height of the material on the belt IPC+CPC Available in IPC and CPC
G01G 11/12 by controlling the speed of the belt 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