• All sections
• A - Human necessities
• A61M - Devices for introducing media into, or onto, the bodydevices for transducing body media or for taking media from the bodydevices for producing or ending sleep or stupor
• A61M 21/02 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia

Patent holdings for IPC class A61M 21/02

Total number of patents in this class: 2312

10-year publication summary

Principal owners for this class