CPC Subclass Not Allocatable
F42D BLASTING (fuses, e.g. fuse cords, C06C5/00; ; cartridges F42B3/00)
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).
4 direct subcodes
Child Classifications
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- F42D 1/00 Blasting methods or apparatus, e.g. 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 in this subclass
Top Applicants
Top 10 applicants by patent filingsfor class F42, 2013–2023, worldwide · Source: EPO PATSTAT
- DETNET SOUTH AFRICA ZA 478
- RHEINMETALL WAFFE MUNITION DE 462
- BAE SYSTEMS GB 439
- RAYTHEON COMPANY US 404
- HANWHA CORPORATION KR 388
- AGENCY FOR DEFENSE DEVELOPMENT KR 352
- BEIJING INSTITUTE OF TECHNOLOGY 294
- TRUE VELOCITY IP HOLDINGS US 269
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 226
- BAE SYSTEMS BOFORS SE 222