Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
D05B 3/16

shank buttons

Introduced: September 1968

Last revised: January 2006

Full Title

Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings or for fastening articles, e.g. buttons, by sewing > for fastening articles by sewing > shank buttons

Classification Context

Section:
TEXTILES; PAPER
Class:
SEWING; EMBROIDERING; TUFTING
Subclass:
SEWING

Filing statistics

IPC D05B 3/16 belongs to the parent subclass D05B, which recorded 47,234 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,503 in 2013 to 5,042 in 2023 (+101%), peaking at 5,680 applications in 2019. The most active applicants in class D05 are JACK SEWING MACHINE COMPANY (1,314 applications), JUKI CORPORATION (537 applications) and ZHEJIANG MAQI SEWING MACHINE COMPANY (534 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class D05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. JACK SEWING MACHINE COMPANY 1,314
  2. JUKI CORPORATION 537
  3. ZHEJIANG MAQI SEWING MACHINE COMPANY 534
  4. GUANGDONG ESQUEL TEXTILES COMPANY 526
  5. BROTHER INDUSTRIES 481
  6. BULLMER ELECTROMECHANICAL TECHNOLOGY COMPANY 466
  7. ZHEJIANG ZOJE SEWING MACHINE COMPANY 406
  8. GUILIN ESQUEL TEXTILES COMPANY 402
  9. TIANJIN RICHPEACE COMPUTERIZED MACHINERY COMPANY 352
  10. JACK TECHNOLOGY CO., LTD. 298