CPC Subgroup
G01F 23/56 using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
Full Title
Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm > by floats > using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
3 direct subcodes
Child Classifications
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- G01F 23/58 using mechanically actuated indicating means
- G01F 23/60 using electrically actuated indicating means
- G01F 23/62 using magnetically actuated indicating means
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