- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F42D - Blasting
- F42D 3/02 - Particular applications of blasting techniques for demolition of tall structures, e.g. chimney stacks
Patent holdings for IPC class F42D 3/02
Total number of patents in this class: 9
10-year publication summary
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1
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0
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0
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0
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1
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0
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2
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1
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The United States of America as represented by the Secretary of the Navy | 2722 |
2 |
| Schlumberger Technology Corporation | 10228 |
1 |
| The United States of America as represented by the Secretary of the Army | 1182 |
1 |
| Critical Solutions International, Inc. | 2 |
1 |
| Fabrications TJD Inc. | 5 |
1 |
| Point One USA, LLC | 12 |
1 |
| Wells Fargo Bank, National Association | 3496 |
1 |
| Jianghan University | 21 |
1 |
| Other owners | 0 |