Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations

Introduced: January 2022

Full Title

Mixers with shaking, oscillating, or vibrating mechanisms > Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

IPC defines codes here since 2022.

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B01F 31/81 by vibrations generated inside a mixing device not coming from an external drive, e.g. by the flow of material causing a knife to vibrate or by vibrating nozzles since 2022 IPC+CPC Available in IPC and CPC
B01F 31/82 CPC only CPC only
B01F 31/83 +1 CPC CPC only CPC only
B01F 31/84 +1 CPC CPC only CPC only
B01F 31/85 with a vibrating element inside the receptacle since 2022 IPC+CPC Available in IPC and CPC
B01F 31/86 with vibration of the receptacle or part of it since 2022 +1 CPC IPC+CPC Available in IPC and CPC
B01F 31/87 transmitting the vibratory energy by means of a fluid, e.g. by means of air shock waves since 2022 IPC+CPC Available in IPC and CPC
B01F 31/89 CPC only CPC only

Class B01,2013–2023, worldwide · Source: EPO PATSTAT

Class B01,2013–2023, worldwide · Source: EPO PATSTAT