B23B 2251/249
Drills in which the shank is flexible
B23B2251/249 (Drills in which the shank is flexible) appears on 3 US grants and 4 published applications in this corpus.
Search patents in B23B- Granted patents
- 3
- Published applications
- 4
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Fully steerable flexible curved-drilling robot device, system and method7 Oct 2025US 12,433,608 B2Board of Regents, The University of Texas System
- Helical tunneling and fixation device21 May 2024US 11,986,889 B1Medical Device Development Corporation, Inc.
- Selectively flexible extension tool25 Jul 2023US 11,707,819 B2General Electric Company
- Cutting tool support for in-situ hole manufacturing4 Sep 2025US 2025/0277459 A1Rtx Corporation
- Fully steerable flexible curved-drilling robot device, system and method17 Oct 2024US 2024/0341775 A1Board of Regents, The University of Texas System
- Helical Tunneling and Fixation Device2 May 2024US 2024/0139834 A1Medical Device Development Corporation, Inc.
- Selectively Flexible Extension Tool16 Apr 2020US 2020/0114497 A1General Electric Company
Most cited
By later US patents