B25D 2250/235
Sleeve couplings
B25D2250/235 (Sleeve couplings) appears on 9 US grants and 13 published applications in this corpus.
Search patents in B25D- Granted patents
- 9
- Published applications
- 13
- Assignees
- 8
- Inventors
- 14
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Impact mechanism arrangement15 Sep 2026US 12,734,664 B2Hilti Aktiengesellschaft
- Press-on element for a power tool12 Nov 2024US 12,138,768 B2Hilti Aktiengesellschaft
- Impact tool head2 Apr 2024US 11,945,087 B2Tien-I Industrial Co., Ltd.
- Impact tool head assembling mechanism19 Apr 2022US 11,305,411 B2Tien-I Industrial Co., Ltd.
- Method of manufacturing hydraulic hammer using male and female gauges18 Dec 2018US 10,155,303 B2Arrowhead Rockdrill Company Limited
- Press-on element for a power tool25 May 2023US 2023/0158656 A1Hilti Aktiengesellschaft
- Impact mechanism arrangement8 Dec 2022US 2022/0388137 A1Hilti Aktiengesellschaft
- Impact tool head6 May 2021US 2021/0129308 A1Tien-I Industrial Co., Ltd.
- Impact tool head assembling mechanism25 Mar 2021US 2021/0086340 A1Tien-I Industrial Co., Ltd.
- Impact tool head assembling mechanism1 Oct 2020US 2020/0306947 A1Tien-I Industrial Co., Ltd.
Most cited
By later US patents
- Power tool13US 7,997,837 B2Makita Corporation · 2011
- Power tool7US 7,073,608 B2Black & Decker Inc. · 2006
- Replaceable chuck5US 8,201,835 B2Hilti Aktiengesellschaft · 2012
- Power tool with rotatable tool holder5US 8,720,599 B2Makita Corporation · 2014
- Impact tool head assembling mechanism2US 11,305,411 B2Tien-I Industrial Co., Ltd. · 2022