DIFF Subgroup
F42C 19/08 Primers (initiators for blasting cartridges F42B3/10; ignition means for rocket engine plants F02K9/95); Detonators
Introduced: September 1968
Title
Titles differ between systems:
IPC: Primers; Detonators
CPC: Primers (initiators for blasting cartridges F42B3/10; ignition means for rocket engine plants F02K9/95); Detonators
Full Title
Full titles differ between systems:
IPC:
Details of fuzes > Primers; Detonators
CPC:
Details of fuzes (except F42C15/00) > Primers (initiators for blasting cartridges F42B3/10; ignition means for rocket engine plants F02K9/95); Detonators
CPC subdivides this area 2x more granularly than IPC with 7 additional codes.
7 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F42C 19/09 Primers or detonators containing a hollow charge since 1990 IPC+CPC Available in IPC and CPC
- F42C 19/095 Arrangements of a multiplicity of primers or detonators, dispersed around a warhead, one of the primers or detonators being selected for directional detonation effects since 1990 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F42,2013–2023, worldwide · Source: EPO PATSTAT
- RHEINMETALL WAFFE MUNITION DE 442
- DETNET SOUTH AFRICA ZA 440
- BAE SYSTEMS GB 422
- AGENCY FOR DEFENSE DEVELOPMENT KR 403
- HANWHA CORPORATION KR 388
- BEIJING INSTITUTE OF TECHNOLOGY 375
- RAYTHEON COMPANY US 341
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 284
- TRUE VELOCITY IP HOLDINGS US 264
- ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 243
Top Applicants (CPC)
Class F42,2013–2023, worldwide · Source: EPO PATSTAT
- DETNET SOUTH AFRICA ZA 478
- RHEINMETALL WAFFE MUNITION DE 462
- BAE SYSTEMS GB 439
- RAYTHEON COMPANY US 404
- HANWHA CORPORATION KR 388
- AGENCY FOR DEFENSE DEVELOPMENT KR 352
- BEIJING INSTITUTE OF TECHNOLOGY 294
- TRUE VELOCITY IP HOLDINGS US 269
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 226
- BAE SYSTEMS BOFORS SE 222