B25D 17/22
Using pressure fluid
Official title: using pressure fluid
B25D17/22 (Using pressure fluid) appears on 23 US grants and 29 published applications in this corpus.
Search patents in B25D- Granted patents
- 23
- Published applications
- 29
- Assignees
- 17
- Inventors
- 68
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Weep-hole drilling2 Dec 2025US 12,486,723 B2Concore BV
- Hammer drill and method for deep drilling14 Oct 2025US 12,440,952 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Weep-hole drilling28 Jan 2025US 12,209,460 B2Concore BV
- Hydraulic rotary-percussive hammer drill26 Mar 2024US 11,938,606 B2Montabert
- Weep-hole drilling28 Nov 2023US 11,828,110 B2Concore BV
- Weep-hole drilling4 Sep 2025US 2025/0277410 A1Concore BV
- Hammer drill and method for deep drilling10 Oct 2024US 2024/0335931 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Weep-hole drilling27 Jun 2024US 2024/0209693 A1Concore BV
- Hand-held power tool, tool and hand-held power tool system with a determined speed/impact power ratio5 Oct 2023US 2023/0311289 A1Hilti Aktiengesellschaft
- Hand-Held Power Tool, Tool and Hand-Held Power Tool System Having a Designated Ratio of Rotational Speed to Impact Frequency7 Sep 2023US 2023/0278182 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Electrical hand operated tool driving device with an electropneumatic striking mechanism16US 6,575,254 B2Hilti Aktiengesellschaft · 2003
- Impact hammer drill16US 7,306,047 B2Hitachi Koki Co., Ltd. · 2007
- Chisel for a percussive tool12US 4,280,572 ASalzgitter Maschinen und Anlagen Aktiengesellschaft · 1981
- Percussive power tool with flushing head7US 7,252,155 B2Hilti Aktiengesselschaft · 2007
- Hydraulic striking machine6US 4,553,610 AKone Corporation · 1985