CPC Subgroup
B28C 9/04 the plant being mobile, (B28C5/42, take precedence)
Full Title
General arrangement or layout of plant > the plant being mobile, (B28C5/42, take precedence)
Filing statistics
CPC B28C 9/04 belongs to the parent subclass B28C, which recorded 19,517 patent applications worldwide between 2013 and 2023. Annual filings grew from 581 in 2013 to 1,976 in 2023 (+240%), peaking at 3,040 applications in 2020. The most active applicants in class B28 are DISCO CORPORATION (1,471 applications), HILTI (575 applications) and CORNING (544 applications).
Source: EPO PATSTAT, worldwide filings
5 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class B28, 2013–2023, worldwide · Source: EPO PATSTAT
- DISCO CORPORATION JP 1,471
- HILTI LI 575
- CORNING US 544
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 518
- UNITED STATES GYPSUM COMPANY US 485
- DISCO ABRASIVE SYSTEM 459
- GE (GENERAL ELECTRIC COMPANY) US 454
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 439
- DISCO CORPORATION 403
- NGK INSULATORS JP 308