A61F 5/445 Colostomy, devices (A61F5/441, A61F5/442, A61F5/443 take precedence)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Colostomy devices
CPC: Colostomy, devices (A61F5/441, A61F5/442, A61F5/443 take precedence)
Full Title
Full titles differ between systems:
Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices > Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Colostomy devices > Colostomy devices
Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices (bandages, dressings or absorbent pads A61F13/00) > Devices worn by the patient for reception of urine, faeces, catamenial or other discharge (absorbent pads, e.g. sanitary towels, A61F13/15; drainage appliances for wounds A61M27/00); Colostomy devices > Colostomy, devices (A61F5/441, A61F5/442, A61F5/443 take precedence)
Of 7 combined children, 2 exist in both systems.
4 codes are CPC-only extensions, 1 exist only in IPC.
Note: 4 CPC extensions are marked as secondary classification only.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
Top Applicants
Top Applicants (IPC)
Class A61,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594
Top Applicants (CPC)
Class A61,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513