Details

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 > Details

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 > Details

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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D01G 15/14 Constructional features of carding elements, e.g. for facilitating attachment of card clothing IPC+CPC Available in IPC and CPC
D01G 15/26 Arrangements or disposition of carding elements IPC+CPC Available in IPC and CPC
D01G 15/28 Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements IPC+CPC Available in IPC and CPC
D01G 15/32 Framework; Casings; Coverings IPC+CPC Available in IPC and CPC
D01G 15/34 Grids; Dirt knives; Angle blades IPC+CPC Available in IPC and CPC
D01G 15/36 Driving or speed control arrangements IPC+CPC Available in IPC and CPC
D01G 15/40 Feeding apparatus (fibre-feeding apparatus of general application to fibre-treating machines, e.g. hopper feeders D01G23/00) IPC+CPC Available in IPC and CPC
D01G 15/46 Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72) +1 CPC 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