CPC Subgroup Additional Only
Y10T 137/7287 Liquid level responsive or maintaining systems
Full Title
Fluid handling > Liquid level responsive or maintaining systems
11 direct subcodes
Child Classifications
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- Y10T 137/729 Washing machine cycle control
- Y10T 137/7293 Liquid excluding devices for gas inlet or outlets
- Y10T 137/7297 With second diverse control
- Y10T 137/7303 Control of both inflow and outflow of tank
- Y10T 137/7306 Electrical characteristic sensing
- Y10T 137/731 With control fluid connection at desired liquid level
- Y10T 137/7313 Control of outflow from tank
- Y10T 137/7329 With supplemental or safety closing means or bias
- Y10T 137/7339 By weight of accumulated fluid
- Y10T 137/7358 By float controlled valve
- Y10T 137/7498 Barometric
Top Applicants
Top 10 applicants by patent filingsfor class Y10, 2013–2023, worldwide · Source: EPO PATSTAT
- BOEING COMPANY US 2,373
- FORD GLOBAL TECHNOLOGIES US 2,244
- HYUNDAI MOTOR COMPANY KR 2,186
- TOYOTA MOTOR CORPORATION JP 1,997
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
- GE (GENERAL ELECTRIC COMPANY) US 1,794
- SAMSUNG ELECTRONICS COMPANY KR 1,705
- CORNING US 1,569
- TOYOTA MOTOR CORPORATION 1,403
- LG CHEM KR 1,364