DIFF Subgroup
B26B 21/58 characterised by the material
Introduced: January 1980
Full Title
Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor > Razor-blades > characterised by the material
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class B26,2013–2023, worldwide · Source: EPO PATSTAT
- GILLETTE COMPANY US 1,650
- PHILIPS ELECTRONICS NL 1,359
- BIC-VIOLEX GR 618
- PHILIPS ELECTRONICS 373
- BRAUN DE 311
- DORCO COMPANY KR 298
- WEBER MASCHINENBAUBREIDENBACH DE 278
- GILLETTE COMPANY 277
- URSCHEL LABORATORIES US 255
- SGCC(STATE GRID CORPORATION OF CHINA) 241
Top Applicants (CPC)
Class B26,2013–2023, worldwide · Source: EPO PATSTAT
- GILLETTE COMPANY US 1,745
- PHILIPS ELECTRONICS NL 1,410
- BIC-VIOLEX GR 638
- PHILIPS ELECTRONICS 378
- DISCO CORPORATION JP 355
- BRAUN DE 325
- WEBER MASCHINENBAUBREIDENBACH DE 304
- DORCO COMPANY KR 297
- GILLETTE COMPANY 290
- URSCHEL LABORATORIES US 264