IPC Main Group
F41H 11/00 Defence installations; Defence devices; Means for clearing or detecting landmines
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
Related Keywords
defence BARRAGESharbour defence NET(S)
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F41H 11/02 Anti-aircraft or anti-guided missile defence installations or systems
- F41H 11/05 Net barriers for harbour defence
- F41H 11/06 Gun-traps
- F41H 11/08 Barbed-wire obstacles; Barricades; Stanchions; Tank traps; Vehicle-impeding devices; Caltrops
- F41H 11/12 Means for clearing land minefields; Systems specially adapted for detection of landmines
Top Applicants
Top 10 applicants by patent filingsfor class F41, 2013–2023, worldwide · Source: EPO PATSTAT
- NEXTER SYSTEMS FR 509
- AGENCY FOR DEFENSE DEVELOPMENT KR 461
- RHEINMETALL WAFFE MUNITION DE 409
- BAE SYSTEMS GB 388
- CHONGQING JIANSHE INDUSTRY (GROUP) COMPANY 352
- AXON ENTERPRISE US 345
- LIG NEX1 COMPANY KR 323
- RAYTHEON COMPANY US 320
- KRAUSS-MAFFEI WEGMANN & COMPANY DE 263
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 228