CPC Subclass Not Allocatable
F42C AMMUNITION FUZES (blasting cartridge initiators F42B3/10; chemical aspects C06C); ARMING OR SAFETY MEANS THEREFOR (filling fuzes F42B33/02; fitting or extracting primers in or from fuzes F42B33/04; containers for fuzes F42B39/30)
Description
F42C covers fuzing systems and mechanisms for ammunition, including devices that initiate detonation or projectile firing. This class encompasses fuze designs, arming mechanisms, safety devices, and related components that control when and how ammunition is activated. Typical applications include artillery shells, bombs, mines, torpedoes, and other ordnance where controlled initiation timing or safety interlocks are critical. Related fuze-specific designs such as impact fuzes, time fuzes, proximity fuzes, and electronic firing mechanisms fall within this scope.
13 direct subcodes
Child Classifications
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- F42C 1/00 Impact fuzes, i.e. fuzes actuated only by ammunition impact
- F42C 11/00 Electric fuzes (; proximity fuzes F42C13/00; ; electric igniters F42C19/12, )
- F42C 13/00 Proximity fuzes; Fuzes for remote detonation
- F42C 14/00 fuzes characterised by the ammunition class or type (F42C1/00, , F42C13/00, F42C15/00 take precedence)
- F42C 15/00 Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C 17/00 Fuze-setting apparatus
- F42C 19/00 Details of fuzes (except F42C15/00)
- F42C 21/00 Checking fuzes; Testing fuzes
- F42C 3/00 Fuzes actuated by exposure to a liquid, e.g. seawater (F42C5/00 takes precedence; time fuzes F42C9/00)
- F42C 5/00 Fuzes actuated by exposure to a predetermined ambient fluid pressure
- F42C 7/00 Fuzes actuated by application of a predetermined mechanical force, e.g. tension, torsion, pressure (by ammunition impact F42C1/00, by exposure to a predetermined ambient fluid pressure F42C5/00)
- F42C 9/00 Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition
- F42C 99/00 Subject matter not provided for in other groups of this subclass
Top Applicants
Top 10 applicants by patent filingsfor 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