CPC Subgroup Additional Only
Y10T 137/4407 Excess relief
Full Title
Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface > Screw feed > With check valve > Excess relief
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