B23B 2270/486
Measurement of rotational speed
B23B2270/486 (Measurement of rotational speed) appears on 11 US grants and 17 published applications in this corpus.
Search patents in B23B- Granted patents
- 11
- Published applications
- 17
- Assignees
- 7
- Inventors
- 26
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Method for determining a recommendation of a gear to be engaged for a core drill, and core drill6 Apr 2023US 2023/0105911 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Self-aligning automatically driving drill apparatus6US 9,233,423 B22016
- Adaptive transmission mechanism6US 9,889,548 B2Hilti Aktiengesellschaft · 2018
- Drilling method4US 7,637,702 B2Hitachi Via Mechanics, Ltd. · 2009
- Adaptive power display1US 10,377,005 B2Hilti Aktiengesellschaft · 2019
- Intelligent core-drilling end detection1US 10,995,603 B2Hilti Aktiengesellschaft · 2021