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IPC Main Group
F41H 9/00

Equipment for attack or defence by spreading flame, gas, or smoke; Chemical warfare equipment

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
WEAPONS
Subclass:
ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL

Filing statistics

IPC F41H 9/00 belongs to the parent subclass F41H, which recorded 23,348 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,571 in 2013 to 1,889 in 2023 (+20%), peaking at 2,564 applications in 2020. The most active applicants in class F41 are NEXTER SYSTEMS (509 applications), AGENCY FOR DEFENSE DEVELOPMENT (461 applications) and RHEINMETALL WAFFE MUNITION (409 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

GAS(ES) warfare equipmentchemical WARFARE equipment

4 direct subcodes

Child Classifications

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  • F41H 9/02 Flame-throwing apparatus
  • F41H 9/04 Gas blowing apparatus, e.g. for tear gas
  • F41H 9/1 Hand-held or body-worn self-defence devices using repellant gases or chemicals

Top Applicants

Top 10 applicants by patent filingsfor class F41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NEXTER SYSTEMS FR 509
  2. AGENCY FOR DEFENSE DEVELOPMENT KR 461
  3. RHEINMETALL WAFFE MUNITION DE 409
  4. BAE SYSTEMS GB 388
  5. CHONGQING JIANSHE INDUSTRY (GROUP) COMPANY 352
  6. AXON ENTERPRISE US 345
  7. LIG NEX1 COMPANY KR 323
  8. RAYTHEON COMPANY US 320
  9. KRAUSS-MAFFEI WEGMANN & COMPANY DE 263
  10. NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 228