B25D 2209/007
Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by
Official title: having a tubular-slide valve, which is not coaxial with the piston
B25D2209/007 (Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by) appears on 15 US grants and 10 published applications in this corpus.
Search patents in B25D- Granted patents
- 15
- Published applications
- 10
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 10 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 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 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic striking device10 Aug 2021US 11,084,155 B2Furukawa Rock Drill Co., Ltd.
- Hydraulic striking device3 Aug 2021US 11,078,929 B2Soosan Heavy Industries Co., Ltd.
- Pneumatic hammer6 Oct 2020US 10,792,798 B2
- Percussion apparatus25 Feb 2020US 10,569,404 B2Montabert
- Hydraulic hammering device11 Dec 2018US 10,150,209 B2Furukawa Rock Drill Co., Ltd.
- Hydraulic striking device28 May 2020US 2020/0166058 A1Soosan Heavy Industries Co., Ltd.
- Pneumatic hammer12 Mar 2020US 2020/0078917 A1
- Hydraulic Striking Device25 Jul 2019US 2019/0224835 A1Furukawa Rock Drill Co., Ltd.
- Percussion apparatus2 Nov 2017US 2017/0312901 A1Montabert
- Hydraulic hammering device5 Jan 2017US 2017/0001293 A1Furukawa Rock Drill Co., Ltd.
Most cited
By later US patents
- Impact device17US 4,784,228 ATeisaku Corporation · 1988
- Hydraulic impact tool11US 4,852,664 ANippon Pneumatic Manufacturing Co., Ltd. · 1989
- Percussion tool9US 4,006,665 AFa. Ingenieur Gunter Klemm Spezialuntrnehmen fur Bohrtechnik · 1977
- Synchronized hydraulic hammer arrangement8US 4,825,960 AMolex Incorporated · 1989
- Hydraulic striking mechanism6US 5,038,668 AKrupp Maschinentechnik Gesellschaft mit beschrankter Haftung · 1991