Efficient cut blasting method for medium-length holes in deep high-stress rock roadway based on crustal stress induction effect
US-12332038-B2 · Jun 17, 2025 · US
Blasting methods or apparatus, e.g. loading or tamping
Blasting methods or apparatus, e.g. loading or tamping · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F42D1/00 |
| Official title | Blasting methods or apparatus, e.g. loading or tamping |
| Display label | Blasting methods or apparatus, e.g. loading or tamping |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Blast design
US-12305969-B2 · May 20, 2025 · US
Detonator position determination
US-12292521-B2 · May 6, 2025 · US
Apparatus and method for operating electronic detonator blaster with integrated flight function
US-12287649-B2 · Apr 29, 2025 · US
Device and method thereof for determining detonator information by using wireless signal
US-12270633-B2 · Apr 8, 2025 · US
Apparatus and method for operating electronic detonator blaster with integrated flight function
US-2025028333-A1 · Jan 23, 2025 · US
Device and method thereof for operating stemming rod used for blasting and configured to include information collection function
US-12152868-B2 · Nov 26, 2024 · US
Method of and apparatus for establishing a blasting system
US-12140410-B2 · Nov 12, 2024 · US
Device and method thereof for operating stemming rod used for blasting and configured to include information collection function
US-2024230301-A1 · Jul 11, 2024 · US
Device and method thereof for determining detonator information by using wireless signal
US-2024230302-A1 · Jul 11, 2024 · US
Coal uncovering construction method for blasting large cross-section gas tunnels
US-12025007-B2 · Jul 2, 2024 · US
Efficient blasting method for similar cutting in rock tunnel
US-11976914-B1 · May 7, 2024 · US
Coal uncovering construction method for blasting large cross-section gas tunnels
US-2024035380-A1 · Feb 1, 2024 · US
Efficient cut blasting method for medium-length holes in deep high-stress rock roadway based on crustal stress induction effect
US-2023417526-A1 · Dec 28, 2023 · US
Improving blast patterns
US-11828582-B2 · Nov 28, 2023 · US
Annular shaped-charge housing for blasting and method of using the same
US-11774220-B2 · Oct 3, 2023 · US
Blast design
US-2023258442-A1 · Aug 17, 2023 · US
Detonator position determination
US-2023194733-A1 · Jun 22, 2023 · US
Annular shaped-charge housing for blasting and method of using the same
US-2023168069-A1 · Jun 1, 2023 · US
Improving blast patterns
US-2023065981-A1 · Mar 2, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F42D1/00?
- CPC F42D1/00 is the Cooperative Patent Classification code for “Blasting methods or apparatus, e.g. loading or tamping.”
- How many patents are filed under CPC F42D1/00 (Blasting methods or apparatus, e.g. loading or tamping)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F42D1/00 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).