B25D 2250/321
Use of balls
B25D2250/321 (Use of balls) appears on 24 US grants and 31 published applications in this corpus.
Search patents in B25D- Granted patents
- 24
- Published applications
- 31
- Assignees
- 13
- Inventors
- 53
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 3 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Rotary drive for a hand-held power tool25 Aug 2026US 12,715,097 B2Hilti Aktiengesellschaft
- Electric hand-held power tool with ball-type latching clutch24 Mar 2026US 12,583,089 B2Hilti Aktiegesellschaft
- Overload clutch for a hand-held power tool17 Feb 2026US 12,551,999 B2Robert Bosch GmbH
- Rotary power tool including transmission housing bushing21 Jan 2025US 12,202,115 B2Milwaukee Electric Tool Corporation
- Rotary hammer11 Jun 2024US 12,005,555 B2Milwaukee Electric Tool Corporation
- Overload Clutch for a Hand-Held Power Tool22 Aug 2024US 2024/0278404 A1Robert Bosch GmbH
- Electric impact hammer4 May 2023US 2023/0135467 A1Jiangsu Dongcheng Tools Technology Co., Ltd.
- Electric hand-held power tool with ball-type latching clutch27 Apr 2023US 2023/0132195 A1Hilti Aktiengesellschaft
- Rotary power tool including transmission housing bushing19 Jan 2023US 2023/0017720 A1Milwaukee Electric Tool Corporation
- Rotary drive for a hand-held power tool15 Sep 2022US 2022/0288760 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Impact drill27US 7,073,605 B2Hitachi Koki Co., Ltd. · 2006
- Hand power tool, in particular drill hammer and/or jackhammer23US 7,303,026 B2Robert Bosch GmbH · 2007
- Hand-held power tool21US 8,240,395 B2Makita Corporation · 2012
- Power tool torque overload clutch12US 7,886,841 B2Black & Decker Inc. · 2011
- Chuck for a percussion tool10US 6,820,700 B2Hilti Aktiengesellschaft · 2004