E21B 7/1245
Using explosive means
Official title: {using explosive means (anchors driven in by explosive charges B63B21/28)}
E21B7/1245 (Using explosive means) appears on 1 US grants and 2 published applications in this corpus.
Search patents in E21B- Granted patents
- 1
- Published applications
- 2
- Assignees
- 2
- Inventors
- 16
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year.
Recent patents
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.