CPC Subgroup Additional Only
Y10T 29/49249 Piston making
Full Title
Metal working > Method of mechanical manufacture > Prime mover or fluid pump making > Piston making
6 direct subcodes
Child Classifications
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- Y10T 29/4925 Repairing, converting, servicing or salvaging
- Y10T 29/49252 Multi-element piston making
- Y10T 29/49256 with assembly or composite article making
- Y10T 29/49265 Ring groove forming or finishing
- Y10T 29/49266 Gudgeon pin, wrist pin, piston pin, or boss therefor
- Y10T 29/49268 with other attaching provision for connecting rod
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