DIFF Main Group
D05B 47/00 Needle-thread tensioning devices; Applications of tensometers
Introduced: September 1968
Title
Titles differ between systems:
IPC: Needle-thread tensioning devices for sewing machines; Applications of tensometers in sewing machines
CPC: Needle-thread tensioning devices; Applications of tensometers
Full Title
Full titles differ between systems:
IPC:
Needle-thread tensioning devices for sewing machines; Applications of tensometers in sewing machines
CPC:
Needle-thread tensioning devices; Applications of tensometers
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- D05B 47/06 Applications of tensometers (application of tension indicators in handling thin or filamentary material B65H59/40; for embroidery machines D05C11/08; tensometers in general G01L) IPC+CPC Available in IPC and CPC
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