Auxiliary devices

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
Subclass:: PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE

Filing statistics

IPC B02B 7/00 belongs to the parent subclass B02B, which recorded 12,458 patent applications worldwide between 2013 and 2023. Annual filings grew from 463 in 2013 to 1,359 in 2023 (+194%), peaking at 1,787 applications in 2020. The most active applicants in class B02 are SANDVIK INTELLECTUAL PROPERTY (503 applications), THYSSENKRUPP INDUSTRIAL SOLUTIONS (498 applications) and THYSSEN KRUPP (382 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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B02B 7/02 Feeding or discharging devices

Top Applicants

Top 10 applicants by patent filingsfor class B02, 2013–2023, worldwide · Source: EPO PATSTAT

SANDVIK INTELLECTUAL PROPERTY SE 503
THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 498
THYSSEN KRUPP DE 382
ZHEJIANG ZHE KUANG HEAVY INDUSTRIES COMPANY 239
FLSMIDTH DK 239
ZAOZHUANG SNKSAN INTELLIGENT MACHINERY COMPANY 230
KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 202
METSO MINERALS FI 195
BUEHLER CH 189
ISEKI & CO 186