B25D 9/18
Involving a piston-type slide valve
Official title: involving a piston-type slide valve
B25D9/18 (Involving a piston-type slide valve) appears on 82 US grants and 74 published applications in this corpus.
Search patents in B25D- Granted patents
- 82
- Published applications
- 74
- Assignees
- 40
- Inventors
- 122
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 2 | 6 |
| 2008 | 4 | 1 |
| 2009 | 2 | 8 |
| 2010 | 4 | 4 |
| 2011 | 5 | 1 |
| 2012 | 4 | 2 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 1 | 5 |
| 2016 | 2 | 9 |
| 2017 | 9 | 4 |
| 2018 | 6 | 1 |
| 2019 | 2 | 5 |
| 2020 | 3 | 6 |
| 2021 | 5 | 2 |
| 2022 | 2 | 3 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Fluid pressure striking device26 Dec 2023US 11,850,717 B2Teisaku Corporation
- Breaking hammer and method of supporting percussion piston28 Nov 2023US 11,828,137 B2Sandvik Mining and Construction Oy
- Valve piloting arrangements for hydraulic percussion devices20 Jun 2023US 11,680,446 B2Mincon International Limited
- Hydraulic hammering device28 Feb 2023US 11,590,642 B2Furukawa Rock Drill Co., Ltd.
- Pneumatically operated percussive tool3 Jul 2025US 2025/0214217 A1G. A. W. Inc.
- Pneumatic puller30 Jan 2025US 2025/0033173 A1Basso Industry Corp.
- Breaking hammer and method of supporting percussion piston11 Aug 2022US 2022/0251904 A1Sandvik Mining and Construction Oy
- Hydraulic Hammering Device24 Feb 2022US 2022/0055196 A1Furukawa Rock Drill Co., Ltd.
- Fluiid pressure striking device27 Jan 2022US 2022/0024012 A1Teisaku Corporation
Most cited
By later US patents
- Drilling and/or percussion power tool41US 6,116,352 ARobert Bosch GmbH · 2000
- Pneumatic hammer with buffers19US 6,192,997 B12001
- Method for controlling operating cycle of impact device, and impact device17US 6,877,569 B2Sandvik Tamrock Oy · 2005
- Hydraulically operated impact device16US 6,073,706 ATamrock Oy · 2000
- Apparatus for generating impacts15US 5,806,610 A1998