B25D 9/02
Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids: of
Official title: of the tool-carrier piston type, i.e. in which the tool is connected to an impulse member
B25D9/02 (Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids: of) appears on 35 US grants and 23 published applications in this corpus.
Search patents in B25D- Granted patents
- 35
- Published applications
- 23
- Assignees
- 22
- Inventors
- 67
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
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| 1985 | 0 | 0 |
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| 1989 | 2 | 0 |
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| 1992 | 2 | 0 |
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| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Compact mechanical waveguides for impact devices9 Sep 2025US 12,409,540 B2University of Florida Research Foundation, Inc.
- Bullet-carried rust removal mechanism and rust removal device23 Jul 2024US 12,042,905 B2LiDuo JQR Group Co. Ltd
- Pneumatic chipping hammer28 May 2024US 11,992,927 B2Wacker Chemie AG
- Hand-held impact tool for creating dent flaws11 Sep 2025US 2025/0281965 A1Textron Innovations Inc.
- Handheld piledriving apparatus24 Jul 2025US 2025/0236002 A1
- Compact mechanical waveguides for impact devices13 Feb 2025US 2025/0050487 A1University of Florida Research Foundation, Inc.
- Safe Tool for an Individual Pumping Unit15 Aug 2024US 2024/0269806 A1Del Plata Ingeniería SA
- Cushion Device of Pneumatic Tool16 Feb 2023US 2023/0053300 A1Rea Lee Industrial Co., Ltd.
Most cited
By later US patents
- Device for removal of intraluminal occlusions220US 5,350,390 A1994
- Striking tool for surgical instruments98US 5,108,400 AAesculap AG · 1992
- Pneumatic hammer apparatus29US 5,119,667 A1992
- Percussive tool, in particular for surgical use17US 7,637,327 B2Grünig & Elminger AG · 2009
- Pneumatic reciprocating mechanism16US 4,355,564 AAtlas Copco Aktiebolag · 1982