E21B 1/14
Driven by a rotating mechanism
Official title: driven by a rotating mechanism
E21B1/14 (Driven by a rotating mechanism) appears on 9 US grants and 9 published applications in this corpus.
Search patents in E21B- Granted patents
- 9
- Published applications
- 9
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drilling system for recovering nearly undisturbed cores from loose to solid ground13 Jan 2026US 12,523,106 B2Stumatec AG
- Drilling device with fluid column resonator18 Mar 2025US 12,252,937 B2Mincon International Limited
- Experimental apparatus for rock-breaking through vibration impact25 Feb 2025US 12,234,690 B2China University of Petroleum-Beijing
- Drill27 Aug 2024US 12,071,813 B2
- Rotary percussive hydraulic drill provided with a shank equipped with coupling splines9 Jan 2024US 11,866,997 B2Montabert
- Experimental apparatus for breaking rock through vibration impact24 Oct 2024US 2024/0352795 A1China University of Petroleum-Beijing
- Drilling device with fluid column resonator21 Dec 2023US 2023/0407704 A1Mincon International Limited
- Drilling System for Recovering Nearly Undisturbed Cores From Loose to Solid Ground16 Nov 2023US 2023/0366282 A1Studersond AG
- A drill18 May 2023US 2023/0151693 A1
- Rotary percussive hydraulic drill provided with a shank equipped with coupling splines18 May 2023US 2023/0151699 A1Montabert
Most cited
By later US patents