B25D 9/00
Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids
Official title: Portable percussive tools with fluid-pressure drive, {i.e. driven directly by fluids}, e.g. having several percussive tool bits operated simultaneously {(portable non-percussive drilling tools driven by fluid pressure or pneumatic power B23B45/04)}
B25D9/00 (Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids) appears on 752 US grants and 479 published applications in this corpus.
Search patents in B25D- Granted patents
- 752
- Published applications
- 479
- Assignees
- 314
- Inventors
- 989
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 20 | 0 |
| 1978 | 24 | 0 |
| 1979 | 15 | 0 |
| 1980 | 11 | 0 |
| 1981 | 18 | 0 |
| 1982 | 14 | 0 |
| 1983 | 8 | 0 |
| 1984 | 15 | 0 |
| 1985 | 13 | 0 |
| 1986 | 12 | 0 |
| 1987 | 22 | 0 |
| 1988 | 7 | 0 |
| 1989 | 19 | 0 |
| 1990 | 13 | 0 |
| 1991 | 14 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 4 |
| 2002 | 5 | 10 |
| 2003 | 7 | 8 |
| 2004 | 9 | 8 |
| 2005 | 9 | 12 |
| 2006 | 8 | 10 |
| 2007 | 9 | 17 |
| 2008 | 11 | 7 |
| 2009 | 7 | 26 |
| 2010 | 13 | 16 |
| 2011 | 10 | 20 |
| 2012 | 18 | 12 |
| 2013 | 12 | 18 |
| 2014 | 15 | 18 |
| 2015 | 17 | 27 |
| 2016 | 16 | 45 |
| 2017 | 25 | 46 |
| 2018 | 27 | 23 |
| 2019 | 29 | 32 |
| 2020 | 25 | 21 |
| 2021 | 23 | 25 |
| 2022 | 15 | 17 |
| 2023 | 21 | 18 |
| 2024 | 23 | 14 |
| 2025 | 19 | 16 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B25D 9/14Control devices for the reciprocating piston452
- B25D 9/06Means for driving the impulse member361
- B25D 9/04Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids: of83
- B25D 9/02Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids: of35
- B25D 9/005Devices for testing the tool's performance2
Recent patents
- Grommet installation tool8 Sep 2026US 12,728,511 B2The Boeing Company
- Linerbolt removal tool improvements8 Sep 2026US 12,728,513 B2Russell Mineral Equipment Pty Ltd
- Sound suppressing device attachment for tools30 Jun 2026US 12,667,949 B2The United States of America as represented by the Secretary of the Air Force
- Transverse axis rotary hammer16 Jun 2026US 12,654,300 B2Milwaukee Electric Tool Corporation
- Hydraulic impact mechanism for use in equipment for processing rock and concrete16 Jun 2026US 12,655,687 B2T-Rig Limited
- Transverse axis rotary hammer1 Oct 2026US 2026/0295795 A1Milwaukee Electric Tool Corporation
- Hydraulic cylinder with carbon fiber10 Sep 2026US 2026/0266316 A1Milwaukee Electric Tool Corporation
- Linear actor with optimized inductivity and method of winding and connecting coils18 Jun 2026US 2026/0166700 A1Technische Universitaet Wien
- Detachable pneumatic hammer tool21 May 2026US 2026/0138255 A1Hong Ann Tool Industries Co., Ltd.
- Electric needle scaler14 May 2026US 2026/0131362 A1Makita Corporation
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 impulse tool86US 5,352,230 ABiomet, Inc. · 1994
- Internal combustion powered tool for driving fastening elements79US 5,213,247 AHilti Aktiengesellschaft · 1993
- Pneumatic impact tool and piston for a pneumatic impact tool64US 5,485,887 AIMT Integral Medizintechnik AG · 1996