CPC Main Group
B33Y 40/00 Auxiliary operations or equipment, e.g. for material handling
Filing statistics
CPC B33Y 40/00 belongs to the parent subclass B33Y, which recorded 150,610 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,518 in 2013 to 13,707 in 2023 (+444%), peaking at 19,243 applications in 2020. The most active applicants in class B33 are HEWLETT-PACKARD DEVELOPMENT COMPANY (4,417 applications), GE (GENERAL ELECTRIC COMPANY) (2,451 applications) and SIEMENS (1,136 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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- B33Y 40/10 Pre-treatment
- B33Y 40/20 Post-treatment, e.g. curing, coating or polishing
Top Applicants
Top 10 applicants by patent filingsfor class B33, 2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,417
- GE (GENERAL ELECTRIC COMPANY) US 2,451
- SIEMENS DE 1,136
- XEROX CORPORATION US 991
- BOEING COMPANY US 707
- SEIKO EPSON CORPORATION 672
- EOSELECTRO OPTICAL SYSTEMS DE 662
- GE (GENERAL ELECTRIC COMPANY) 659
- KINPO ELECTRONICS TW 621
- XYZPRINTING TW 618