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).
Filing statistics
IPC subclass F42D recorded 16,390 patent applications worldwide between 2013 and 2023. Annual filings grew from 658 in 2013 to 2,125 in 2023 (+223%), peaking at 2,167 applications in 2020. The most active applicants in class F42 are RHEINMETALL WAFFE MUNITION (442 applications), DETNET SOUTH AFRICA (440 applications) and BAE SYSTEMS (422 applications).
Source: EPO PATSTAT, worldwide filings
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