CPC Main Group
G01L 13/00 Devices or apparatus for measuring differences of two or more fluid pressure values
3 direct subcodes
Child Classifications
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- G01L 13/02 using elastically-deformable members or pistons as sensing elements
- G01L 13/04 using floats or liquids as sensing elements
- G01L 13/06 using electric or magnetic pressure-sensitive elements
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