DIFF Subgroup
D01G 15/02 Carding machines
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines > Carding machines
CPC:
Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines (de-burring apparatus or machines operating independently D01B) > Carding machines
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- D01G 15/04 with worker and stripper or like rollers operating in association with a main cylinder IPC+CPC Available in IPC and CPC
- D01G 15/08 with flats or like members or endless card sheets operating in association with a main cylinder IPC+CPC Available in IPC and CPC
- D01G 15/10 with other apparatus, e.g. drafting devices, in integral or closely-associated combination (web-dividing apparatus D01G15/46; burr-crushing or removing arrangements D01G15/94) IPC+CPC Available in IPC and CPC
- D01G 15/70 Arrangements for producing decorative or fancy effects in products IPC+CPC Available in IPC and CPC
- D01G 15/74 Air draught arrangements (air draught arrangements for stripping or for removing dust or fly D01G15/76) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class D01,2013–2023, worldwide · Source: EPO PATSTAT
- NATIONAL DONG HWA UNIVERSITY 1,242
- MASCHINENFABRIK RIETER CH 1,162
- TORAY INDUSTRIES JP 1,093
- TORAY INDUSTRIES 802
- JIANGNAN UNIVERSITY 771
- WUHAN TEXTILE UNIVERSITY 663
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 653
- CHINESE ACADEMY OF SCIENCES 559
- LENZING AT 525
- MURATA MACHINERY 492
Top Applicants (CPC)
Class D01,2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 1,268
- MASCHINENFABRIK RIETER CH 1,200
- NATIONAL DONG HWA UNIVERSITY 955
- LENZING AT 602
- P&G (PROCTER & GAMBLE COMPANY) US 594
- WUHAN TEXTILE UNIVERSITY 494
- TRUETZSCHLER & COMPANY DE 453
- KOLON INDUSTRIES KR 433
- OERLIKON TEXTILE & COMPANY DE 430
- CHINESE ACADEMY OF SCIENCES 412