IPC Subgroup
A61M 39/2 Closure caps or plugs for connectors or open ends of tubes
Introduced: January 1995
Last revised: January 2006
Full Title
Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use > Closure caps or plugs for connectors or open ends of tubes
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
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