B25D 2250/381
Leaf springs
B25D2250/381 (Leaf springs) appears on 27 US grants and 25 published applications in this corpus.
Search patents in B25D- Granted patents
- 27
- Published applications
- 25
- Assignees
- 11
- Inventors
- 64
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hand-held power tool with an impact mechanism assembly14 Oct 2025US 12,440,953 B2Robert Bosch GmbH
- Driving tool20 Feb 2024US 11,904,447 B2Makita Corporation
- Impact tool27 Apr 2021US 10,987,792 B2Makita Corporation
- Hammer with linearly adjustable claw6 Apr 2021US 10,967,494 B2
- Punch device for marking drilled holes13 Oct 2020US 10,800,028 B2
- Impacting Device with Long Adjustable Stroke Length, Enhanced Safety Features, and a Reciprocating Barrel Cam Mechanism26 Mar 2026US 2026/0084277 A1
- Hand-Held Power Tool with an Impact Mechanism Assembly3 Oct 2024US 2024/0326213 A1Robert Bosch GmbH
- Driving tool27 Apr 2023US 2023/0126083 A1Makita Corporation
- Impact tool17 Oct 2019US 2019/0314971 A1Makita Corporation
- Punch device for marking drilled holes13 Sep 2018US 2018/0257252 A1
Most cited
By later US patents
- Vibration insulation device for handle of vibratory machine68US 4,282,938 AYokosuka Boat Kabushiki Kaisha · 1981
- Device for driving a drilling and/or impacting tool38US 4,726,430 ASkil Corporation · 1988
- Vibration dampening mechanism31US 7,451,833 B2Black & Decker Inc. · 2008
- Handle frame for percussive hand held machines29US 6,112,831 AAtlas Copco Berema Aktiebolag · 2000
- Isolated hand-held vibrating device28US 5,927,407 ALord Corporation · 1999