DIFF Subgroup
F42D 1/06 Relative timing of multiple charges ( F42D1/055 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Relative timing of multiple charges
CPC: Relative timing of multiple charges ( F42D1/055 take precedence)
Full Title
Full titles differ between systems:
IPC:
Blasting methods or apparatus, e.g. for loading or tamping > Arrangements for ignition > Relative timing of multiple charges
CPC:
Blasting methods or apparatus, e.g. loading or tamping > Arrangements for ignition > Relative timing of multiple charges ( F42D1/055 take precedence)
No child classifications to compare. This is a leaf node in both 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