Details of connections of tools or workpieces

Filing statistics

CPC B23B 2240/00 belongs to the parent subclass B23B, which recorded 66,933 patent applications worldwide between 2013 and 2023. Annual filings declined from 4,756 in 2013 to 4,707 in 2023 (-1%), peaking at 7,816 applications in 2018. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,642 applications), DISCO CORPORATION (3,316 applications) and FANUC (3,111 applications).

Source: EPO PATSTAT, worldwide filings

9 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

B23B 2240/04 Bayonet connections
B23B 2240/08 Brazed connections
B23B 2240/11 Soldered connections
B23B 2240/16 Welded connections
B23B 2240/21 Glued connections
B23B 2240/24 Connections using hollow screws, e.g. for the transmission of coolant
B23B 2240/28 Shrink-fitted connections, i.e. using heating and cooling to produce interference fits
B23B 2240/32 Press fits
B23B 2240/36 Connections using a tongue and a hollow of corresponding prismatic form

Top Applicants

Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT

ITW (ILLINOIS TOOL WORKS) US 3,642
DISCO CORPORATION JP 3,316
FANUC JP 3,111
ROBERT BOSCH DE 2,711
FANUC 2,163
GE (GENERAL ELECTRIC COMPANY) US 2,113
ISCAR IL 1,516
SIEMENS DE 1,459
LINCOLN GLOBAL US 1,433
KOBE STEEL JP 1,423