DIFF Subgroup
B06B 3/02 involving a change of amplitude
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Processes or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic or ultrasonic frequency > involving a change of amplitude
CPC:
Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency > involving a change of amplitude
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class B06,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 377
- MURATA MANUFACTURING COMPANY JP 249
- SEIKO EPSON CORPORATION JP 202
- BUTTERFLY NETWORK US 191
- CANON JP 154
- ROBERT BOSCH DE 152
- NIDEC COPAL CORPORATION 130
- KT & G CORPORATION KR 116
- FLODESIGN SONICS US 114
- OLYMPUS CORPORATION JP 110
Top Applicants (CPC)
Class B06,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 459
- MURATA MANUFACTURING COMPANY JP 341
- SEIKO EPSON CORPORATION 318
- SEIKO EPSON CORPORATION JP 281
- BUTTERFLY NETWORK US 279
- CANON JP 237
- ROBERT BOSCH DE 216
- OLYMPUS CORPORATION JP 175
- FUJIFILM JP 166
- SAMSUNG ELECTRONICS COMPANY KR 163