B25D 2250/051
Couplings
Official title: Couplings, e.g. special connections between components
B25D2250/051 (Couplings) appears on 44 US grants and 65 published applications in this corpus.
Search patents in B25D- Granted patents
- 44
- Published applications
- 65
- Assignees
- 27
- Inventors
- 117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 9 |
| 2019 | 4 | 7 |
| 2020 | 6 | 3 |
| 2021 | 7 | 8 |
| 2022 | 2 | 7 |
| 2023 | 4 | 4 |
| 2024 | 5 | 2 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Striking tool6 Oct 2026US 12,752,412 B2Makita Corporation
- Hand tool with replaceable handle10 Feb 2026US 12,544,904 B2Milwaukee Electric Tool Corporation
- Dust protection cap with vibration decoupling9 Dec 2025US 12,491,566 B2Hilti Aktiengesellschaft
- Percussion tool30 Sep 2025US 12,427,638 B2Milwaukee Electric Tool Corporation
- Attachment for powered hammer22 Jul 2025US 12,365,074 B2Milwaukee Electric Tool Corporation
- Hand Tool with Replaceable Handle21 May 2026US 2026/0138260 A1Milwaukee Electric Tool Corporation
- Tool holding apparatus for a power tool, power tool30 Apr 2026US 2026/0115879 A1Hilti Aktiengesellschaft
- Attachment for a tool with shock absorbing insert19 Mar 2026US 2026/0077466 A1
- Hydraulic breaker provided with automatic lubricant supply structure14 Aug 2025US 2025/0257548 A1Soosan Heavy Industries Co., Ltd.
- Straight-handle valveless pressurized pneumatic spade7 Aug 2025US 2025/0249564 A1Ningbo Yinzhou Yongdun Pneumatic Tools Manufacturing Co., Ltd.
Most cited
By later US patents
- Striking tool19US 7,819,203 B2Hitachi Koki Co., Ltd. · 2010
- Foldable chisel18US 8,973,273 B2Stanley Black & Decker, Inc. · 2015
- Impact tool having counter weight that reduces vibration13US 9,156,152 B2Makita Corporation · 2015
- Apparatus for producing self-exciting hammer action, and rotary power tool incorporating such apparatus11US 7,036,608 B2Black & Decker Inc. · 2006
- Striking tool with attached striking surface9US 9,789,597 B2Estwing Manufacturing Company · 2017