IPC Subgroup
F42B 19/12 Propulsion specially adapted for torpedoes
Introduced: September 1968
Last revised: January 2006
Full Title
Marine torpedoes, e.g. launched by surface vessels or submarines; Sea mines having self-propulsion means > Propulsion specially adapted for torpedoes
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- AMMUNITION; BLASTING
- Subclass:
- EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION
Related Keywords
PROPULSION of torpedoes
6 direct subcodes
Child Classifications
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- F42B 19/14 by compressed-gas motors
- F42B 19/22 by internal-combustion engines
- F42B 19/24 by electric motors
- F42B 19/26 by jet propulsion
- F42B 19/28 with means for avoiding visible wake
- F42B 19/3 with timing control of propulsion
Top Applicants
Top 10 applicants by patent filingsfor class F42, 2013–2023, worldwide · Source: EPO PATSTAT
- RHEINMETALL WAFFE MUNITION DE 442
- DETNET SOUTH AFRICA ZA 440
- BAE SYSTEMS GB 422
- AGENCY FOR DEFENSE DEVELOPMENT KR 403
- HANWHA CORPORATION KR 388
- BEIJING INSTITUTE OF TECHNOLOGY 375
- RAYTHEON COMPANY US 341
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 284
- TRUE VELOCITY IP HOLDINGS US 264
- ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 243