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DIFF Subgroup
F42B 1/02

Shaped or hollow charges (blasting cartridges with cavities in the charge F42B3/08; oil winning using shaped-charge perforators E21B43/116)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Shaped or hollow charges

CPC: Shaped or hollow charges (blasting cartridges with cavities in the charge F42B3/08; oil winning using shaped-charge perforators E21B43/116)

Full Title

Full titles differ between systems:

IPC:

Explosive charges characterised by form or shape but not dependent on shape of container > Shaped or hollow charges

CPC:

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)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • F42B 1/024 provided with embedded bodies of inert material since 1990 IPC+CPC Available in IPC and CPC
  • F42B 1/028 characterised by the form of the liner since 1990 IPC+CPC Available in IPC and CPC
  • F42B 1/032 characterised by the material of the liner since 1990 IPC+CPC Available in IPC and CPC
  • F42B 1/036 Manufacturing processes therefor since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F42,2013–2023, worldwide · Source: EPO PATSTAT

  1. RHEINMETALL WAFFE MUNITION DE 442
  2. DETNET SOUTH AFRICA ZA 440
  3. BAE SYSTEMS GB 422
  4. AGENCY FOR DEFENSE DEVELOPMENT KR 403
  5. HANWHA CORPORATION KR 388
  6. BEIJING INSTITUTE OF TECHNOLOGY 375
  7. RAYTHEON COMPANY US 341
  8. NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 284
  9. TRUE VELOCITY IP HOLDINGS US 264
  10. ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 243

Top Applicants (CPC)

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