G12B 1/04 Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tube, bellows (bellows in general F16J3/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tubes or bellows
CPC: Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tube, bellows (bellows in general F16J3/00)
Full Title
Full titles differ between systems:
Sensitive elements capable of producing movement or displacement for purposes not limited to measurement; Associated transmission mechanisms therefor > Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tubes or bellows
Sensitive elements capable of producing movement or displacement for purposes not limited to measurement; Associated transmission mechanisms therefor > Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tube, bellows (bellows in general F16J3/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class G12,2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 90
- ROBERT BOSCH DE 46
- SICK DE 26
- TIANJIN UNIVERSITY 24
- CHINESE ACADEMY OF SCIENCES 23
- NSK 22
- CARL ZEISS SMT DE 22
- ENDRESS + HAUSER & COMPANY DE 21
- SUZHOU MICRO AUTOMATION TECHNOLOGY COMPANY 20
- AUDI DE 20
Top Applicants (CPC)
Class G12,2013–2023, worldwide · Source: EPO PATSTAT
- BECTON, DICKINSON & COMPANY US 20
- LANDIS & GYR CH 17
- TIANJIN UNIVERSITY 16
- AUDI DE 14
- SAMSUNG ELECTRONICS COMPANY KR 13
- ARCHI ENTERPRISES CA 12
- RITTAL & COMPANY DE 11
- SIEMENS DE 11
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 10
- ROBERT BOSCH DE 10