DIFF Subgroup
F41A 21/16 Barrels or gun tubes characterised by the shape of the bore
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Barrels or gun tubes; Muzzle attachments; Barrel mounting means > Barrels or gun tubes characterised by the shape of the bore
CPC:
Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06) > Barrels or gun tubes characterised by the shape of the bore
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class F41,2013–2023, worldwide · Source: EPO PATSTAT
- NEXTER SYSTEMS FR 562
- BAE SYSTEMS GB 459
- RHEINMETALL WAFFE MUNITION DE 444
- RAYTHEON COMPANY US 412
- AGENCY FOR DEFENSE DEVELOPMENT KR 407
- AXON ENTERPRISE US 359
- LIG NEX1 COMPANY KR 290
- KRAUSS-MAFFEI WEGMANN & COMPANY DE 282
- SHELTERED WINGS, INC. D/B/A VORTEX OPTICS US 255
- THALES FR 228