B23B 47/26
Liftable or lowerable drill heads or headstocks
Official title: Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor {(weight and flexion compensation B23Q11/001)}
B23B47/26 (Liftable or lowerable drill heads or headstocks) appears on 32 US grants and 37 published applications in this corpus.
Search patents in B23B- Granted patents
- 32
- Published applications
- 37
- Assignees
- 26
- Inventors
- 60
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 2 |
| 2021 | 4 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Modular work station25 Aug 2026US 12,715,102 B2Techtronic Cordless GP
- Drilling device28 Jul 2026US 12,691,505 B2Honda Motor Co., Ltd.
- Spindle automatic feed mechanism of drilling machine with self-adaptive electromechanical transmission23 Jun 2026US 12,661,720 B2Jiangsu Yishou Machinery Technology Co., Ltd.
- Tool driving device and method of producing drilled product21 Jan 2025US 12,202,054 B2Subaru Corporation
- Modular work station14 Jan 2025US 12,194,612 B2Techtronic Cordless GP
- Machining assembly1 Oct 2026US 2026/0295685 A1Tractive AB
- Modular work station8 May 2025US 2025/0144783 A1Techtronic Cordless GP
- Spindle automatic feed mechanism of drilling machine with self-adaptive electromenchanical transmission1 May 2025US 2025/0135558 A1Jiangsu Yishou Machinery Technology Co., Ltd.
- Connector system for operating a trailer jack and a hopper door actuator with a drill12 Sep 2024US 2024/0300035 A1
- Tool driving device and method of producing drilled product29 Feb 2024US 2024/0066675 A1Subaru Corporation
Most cited
By later US patents
- Portable drill press12US 9,555,481 B22017
- Magnetic drill press10US 9,174,283 B2Milwaukee Electric Tool Corporation · 2015
- Adaptive transmission mechanism6US 9,889,548 B2Hilti Aktiengesellschaft · 2018
- Magnetic drill press3US 10,583,539 B2Milwaukee Electric Tool Corporation · 2020
- Drilling/tapping/unscrewing apparatus2US 7,290,964 B2Lee Yeong Industrial Co., Ltd. · 2007