DIFF Main Group
B68G 9/00 Placing upholstery springs in pockets; Fitting springs in upholstery
Introduced: September 1968
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
Navigate with arrow keys, Enter to open
Top Applicants
Top Applicants (IPC)
Class B68,2013–2023, worldwide · Source: EPO PATSTAT
- TACHI S COMPANY 144
- TOYOTA BOSHOKU CORPORATION 131
- L & P PROPERTY MANAGEMENT COMPANY US 84
- TACHI S COMPANY JP 81
- TS TECH COMPANY 79
- YOSHIDA KOGYO JP 78
- YOSHIDA KOGYO 54
- SPUEHL CH 50
- CHANGSHU BEALEAD AUTOMATIC MACHINE COMPANY 50
- ZHEJIANG HUAJIAN INTELLIGENT EQUIPMENT 49
Top Applicants (CPC)
Class B68,2013–2023, worldwide · Source: EPO PATSTAT
- L & P PROPERTY MANAGEMENT COMPANY US 106
- YOSHIDA KOGYO JP 91
- TACHI S COMPANY JP 74
- TACHI S COMPANY 55
- SPUEHL CH 49
- YOSHIDA KOGYO 47
- HARRISON SPINKS COMPONENTS GB 47
- HS PRODUCTS GB 45
- DREAMWELL US 45
- PURPLE INNOVATION US 39