DIFF Subgroup
A42C 3/02 Hat-block holders
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Appliances for hat-making not provided for in group , e.g. for making wire forms for hat-frames; Apparatus for changing the form or size of finished hats > Hat-block holders
CPC:
Miscellaneous appliances for hat-making, e.g. for making wire forms for hat-frames (sewing-machines for straw hats D05B; sewing- machines for making hat-brims D05B); Apparatus for changing the form or size of finished hats > Hat-block holders
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class A42,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 411
- BELL SPORTS US 256
- MIPS SE 221
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 148
- GENTEX CORPORATION US 129
- KASK IT 122
- PFANNER SCHUTZBEKLEIDUNG AT 114
- GUANGDONG POWER GRID CORPORATION 107
- GU ZHENGHUI 88
- MILWAUKEE ELECTRIC TOOL CORPORATION US 82
Top Applicants (CPC)
Class A42,2013–2023, worldwide · Source: EPO PATSTAT
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 277
- BELL SPORTS US 265
- MIPS SE 225
- GENTEX CORPORATION US 150
- KASK IT 125
- PFANNER SCHUTZBEKLEIDUNG AT 115
- NIKE US 107
- SGCC(STATE GRID CORPORATION OF CHINA) 102
- STRYKER CORPORATION US 95
- ITW (ILLINOIS TOOL WORKS) US 92