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CPC Subgroup
F42B 1/028

characterised by the form of the liner

Full Title

Explosive charges characterised by form or shape but not dependent on shape of container > Shaped or hollow charges (blasting cartridges with cavities in the charge F42B3/08; oil winning using shaped-charge perforators E21B43/116) > characterised by the form of the liner

Filing statistics

CPC F42B 1/028 belongs to the parent subclass F42B, which recorded 24,690 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,636 in 2013 to 1,882 in 2023 (+15%), peaking at 2,895 applications in 2018. The most active applicants in class F42 are DETNET SOUTH AFRICA (478 applications), RHEINMETALL WAFFE MUNITION (462 applications) and BAE SYSTEMS (439 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class F42, 2013–2023, worldwide · Source: EPO PATSTAT

  1. DETNET SOUTH AFRICA ZA 478
  2. RHEINMETALL WAFFE MUNITION DE 462
  3. BAE SYSTEMS GB 439
  4. RAYTHEON COMPANY US 404
  5. HANWHA CORPORATION KR 388
  6. AGENCY FOR DEFENSE DEVELOPMENT KR 352
  7. BEIJING INSTITUTE OF TECHNOLOGY 294
  8. TRUE VELOCITY IP HOLDINGS US 269
  9. NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 226
  10. BAE SYSTEMS BOFORS SE 222