Initiators therefor

Introduced: September 1968

Last revised: January 2006

Full Title

Blasting cartridges, i.e. case and explosive > Initiators therefor

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: AMMUNITION; BLASTING
Subclass:: EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION

Filing statistics

IPC F42B 3/1 belongs to the parent subclass F42B, which recorded 33,051 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,539 in 2013 to 3,020 in 2023 (+19%), peaking at 3,580 applications in 2018. The most active applicants in class F42 are RHEINMETALL WAFFE MUNITION (442 applications), DETNET SOUTH AFRICA (440 applications) and BAE SYSTEMS (422 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

blasting cartridge initiators

10 direct subcodes

Child Classifications

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F42B 3/103 Mounting initiator heads in initiators; Sealing-plugs
F42B 3/11 characterised by the material used, e.g. for initiator case or electric leads
F42B 3/113 activated by optical means, e.g. laser, flashlight
F42B 3/117 activated by friction
F42B 3/12 Bridge initiators
F42B 3/14 Spark initiators
F42B 3/16 Delay initiators
F42B 3/18 Safety initiators resistant to premature firing by static electricity or stray currents
F42B 3/192 designed for neutralisation on contact with water
F42B 3/195 Manufacture

Top Applicants

Top 10 applicants by patent filingsfor 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