Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators (iron lungs A61H31/02); Tracheal tubes

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes

CPC: Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators (iron lungs A61H31/02); Tracheal tubes

Full Title

Full titles differ between systems:

IPC:

Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes

CPC:

Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators (iron lungs A61H31/02); Tracheal tubes

Additional Content IPC

Iron lungs

CPC subdivides this area 2x more granularly than IPC with 9 additional codes.

9 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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A61M 16/0003 +5 CPC CPC only CPC only
A61M 16/0045 CPC only CPC only
A61M 16/0048 CPC only CPC only
A61M 16/0051 CPC only CPC only
A61M 16/0054 CPC only CPC only
A61M 16/0057 +8 CPC CPC only CPC only
A61M 16/0087 +1 CPC CPC only CPC only
A61M 16/0096 CPC only CPC only
A61M 16/01 specially adapted for anaesthetising since 1985 IPC+CPC Available in IPC and CPC
A61M 16/021 +1 CPC CPC only CPC only
A61M 16/04 Tracheal tubes (catheters in general A61M25/00) since 1985 +8 CPC IPC+CPC Available in IPC and CPC
A61M 16/06 Respiratory or anaesthetic masks since 1985 +4 CPC IPC+CPC Available in IPC and CPC
A61M 16/08 Bellows; Connecting tubes since 1985 +5 CPC IPC+CPC Available in IPC and CPC
A61M 16/10 Preparation of respiratory gases or vapours since 1985 +5 CPC IPC+CPC Available in IPC and CPC
A61M 16/20 Valves specially adapted to medical respiratory devices since 1985 +2 CPC IPC+CPC Available in IPC and CPC
A61M 16/22 Carbon dioxide-absorbing devices (cartridges with absorbing substances for respiratory apparatus A62B19/00) since 1985 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