F42D BLASTING
Introduced: September 1968
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- AMMUNITION; BLASTING
- Subclass:
- BLASTING
Description
F42D covers blasting technology and methods, including the design, manufacture, and use of explosives and blasting devices for controlled detonation in mining, construction, demolition, and quarrying operations. The classification encompasses blasting circuits, detonators, fuses, primer charges, and related ignition systems used to initiate explosive charges. It includes both commercial blasting applications and the technical specifications for blasting equipment, but excludes ammunition design (covered by F42B) and general explosive composition or manufacture (covered by C06B-C06D).
Related Keywords
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F42D 1/00 Blasting methods or apparatus, e.g. for loading or tamping
- F42D 3/00 Particular applications of blasting techniques
- F42D 5/00 Safety arrangements
- F42D 99/00 Subject matter not provided for in other groups of this subclass
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