DIFF Subgroup
D05B 37/04 Cutting devices
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Devices incorporated in sewing machines for slitting, grooving, or cutting > Cutting devices
CPC:
Devices incorporated in sewing machines for slitting, grooving, or cutting (severing sewing-threads D05B65/00) > Cutting devices
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class D05,2013–2023, worldwide · Source: EPO PATSTAT
- JACK SEWING MACHINE COMPANY 1,314
- JUKI CORPORATION 537
- ZHEJIANG MAQI SEWING MACHINE COMPANY 534
- GUANGDONG ESQUEL TEXTILES COMPANY 526
- BROTHER INDUSTRIES 481
- BULLMER ELECTROMECHANICAL TECHNOLOGY COMPANY 466
- ZHEJIANG ZOJE SEWING MACHINE COMPANY 406
- GUILIN ESQUEL TEXTILES COMPANY 402
- TIANJIN RICHPEACE COMPUTERIZED MACHINERY COMPANY 352
- JACK TECHNOLOGY CO., LTD. 298
Top Applicants (CPC)
Class D05,2013–2023, worldwide · Source: EPO PATSTAT
- JACK SEWING MACHINE COMPANY 670
- JUKI CORPORATION 427
- BROTHER INDUSTRIES 299
- BROTHER INDUSTRIES JP 255
- JANOME SEWING MACHINE COMPANY JP 224
- BULLMER ELECTROMECHANICAL TECHNOLOGY COMPANY 184
- GUANGDONG ESQUEL TEXTILES COMPANY 168
- JUKI CORPORATION JP 159
- COLOREEL GROUP SE 139
- GUILIN ESQUEL TEXTILES COMPANY 132