Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems > Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation

CPC:

Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems (catheters A61M25/00; tube connectors, tube couplings, valves or branch units specially adapted for medical use A61M39/00; devices for taking samples of blood A61B5/15; filters implantable into blood vessels A61F2/01) > Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation

CPC subdivides this area 18x more granularly than IPC with 17 additional codes.

17 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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A61M 1/3601 +2 CPC CPC only CPC only
A61M 1/3606 CPC only CPC only
A61M 1/3607 +1 CPC CPC only CPC only
A61M 1/3613 CPC only CPC only
A61M 1/3615 CPC only CPC only
A61M 1/3616 CPC only CPC only
A61M 1/3618 CPC only CPC only
A61M 1/362 CPC only CPC only
A61M 1/3621 +13 CPC CPC only CPC only
A61M 1/3672 +3 CPC CPC only CPC only
A61M 1/3678 CPC only CPC only
A61M 1/3679 CPC only CPC only
A61M 1/3681 +1 CPC CPC only CPC only
A61M 1/3687 +1 CPC CPC only CPC only
A61M 1/369 CPC only CPC only
A61M 1/3692 CPC only CPC only
A61M 1/3693 +3 CPC CPC only CPC only
A61M 1/38 Removing constituents from donor blood and returning remainder to body since 1990 +1 CPC IPC+CPC Available in 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