IPC Main Group
A61M 16/00 Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
Additional Content
Iron lungs
Related Keywords
modifying AIR to assist respirationadministering GAS(ES) to patientsmedically administering OXYGENRESPIRATION appliances for medical use
7 direct subcodes
Child Classifications
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- A61M 16/01 specially adapted for anaesthetising
- A61M 16/04 Tracheal tubes
- A61M 16/06 Respiratory or anaesthetic masks
- A61M 16/08 Bellows; Connecting tubes
- A61M 16/1 Preparation of respiratory gases or vapours
- A61M 16/2 Valves specially adapted to medical respiratory devices
- A61M 16/22 Carbon dioxide-absorbing devices
Top Applicants
Top 10 applicants by patent filingsfor 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