CPC Subgroup
G01G 19/22 for apportioning materials by weighing prior to mixing them (ratio regulation G05D11/00)
Full Title
Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups > for apportioning materials by weighing prior to mixing them (ratio regulation G05D11/00)
5 direct subcodes
Child Classifications
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- G01G 19/24 using a single weighing apparatus
- G01G 19/32 using two or more weighing apparatus
- G01G 19/34 with electrical control means
- G01G 19/36 with mechanical control means
- G01G 19/38 program controlled, e.g. by perforated tape
Top Applicants
Top 10 applicants by patent filingsfor 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