Spinning or twisting machines in which the product is wound-up continuously (open-end spinning machines D01H4/00 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Spinning or twisting machines in which the product is wound-up continuously

CPC: Spinning or twisting machines in which the product is wound-up continuously (open-end spinning machines D01H4/00 )

Full titles differ between systems:

IPC:

Spinning or twisting machines in which the product is wound-up continuously

CPC:

Spinning or twisting machines in which the product is wound-up continuously (open-end spinning machines D01H4/00 )

Of 9 combined children, 7 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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D01H 1/003 CPC only CPC only
D01H 1/006 CPC only CPC only
D01H 1/02 ring type +1 CPC IPC+CPC Available in IPC and CPC
D01H 1/04 flyer type IPC+CPC Available in IPC and CPC
D01H 1/06 cap type IPC+CPC Available in IPC and CPC
D01H 1/08 cup, pot or disc type, in which annular masses of yarn are formed by centrifugal action IPC+CPC Available in IPC and CPC
D01H 1/10 for imparting multiple twist, e.g. two-for-one twisting +2 CPC IPC+CPC Available in IPC and CPC
D01H 1/11 Spinning by false-twisting since 1990 IPC+CPC Available in IPC and CPC
D01H 1/14 Details (drafting arrangements D01H5/00; twisting arrangements D01H7/00) IPC+CPC Available in IPC and CPC

Class D01,2013–2023, worldwide · Source: EPO PATSTAT

Class D01,2013–2023, worldwide · Source: EPO PATSTAT