IPC Main Group
G01G 21/00 Details of weighing apparatus
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- WEIGHING
Related Keywords
CHUTES for weighing-apparatus
9 direct subcodes
Child Classifications
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- G01G 21/02 Arrangements of bearings
- G01G 21/14 Beams
- G01G 21/18 Link connections between the beam and the weigh pan
- G01G 21/22 Weigh-pans or other weighing receptacles; Weighing platforms
- G01G 21/23 Support or suspension of weighing platforms
- G01G 21/24 Guides or linkages for ensuring parallel motion of the weigh-pans
- G01G 21/26 Counterweights; Poise-weights; Sets of weights; Holders for the reception of weights
- G01G 21/28 Frames; Housings
- G01G 21/3 Means for preventing contamination by dust
Top Applicants
Top 10 applicants by patent filingsfor 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