DIFF Subgroup
A61M 25/04 in the body, e.g. expansible
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Catheters; Hollow probes > Introducing, guiding, advancing, emplacing or holding catheters > Holding devices, e.g. on the body > in the body, e.g. expansible
CPC:
Catheters; Hollow probes (dilators A61M29/00; ; for measuring or testing A61B; ) > Introducing, guiding, advancing, emplacing or holding catheters (A61M25/10 takes precedence) > Holding devices, e.g. on the body > in the body, e.g. expansible
No child classifications to compare. This is a leaf node in both IPC and CPC.
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