B25D 9/22
Involving a rotary-type slide valve
Official title: involving a rotary-type slide valve
B25D9/22 (Involving a rotary-type slide valve) appears on 13 US grants and 11 published applications in this corpus.
Search patents in B25D- Granted patents
- 13
- Published applications
- 11
- Assignees
- 6
- Inventors
- 19
- Latest grant
- 24 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hammer temperature protection system and method24 Dec 2019US 10,513,020 B2Caterpillar Inc.
- Valve16 Jan 2018US 9,868,197 B2Construction Tools GmbH
- Hammering device11 Jul 2017US 9,701,002 B2
- Percussion device18 Aug 2015US 9,108,311 B2Sandvik Mining and Construction Oy
- Sealing arrangement in rotating control valve of pressure fluid-operated percussion device30 Jun 2015US 9,067,310 B2Sandvik Mining and Construction Oy
- Control valve and impact device12 Jun 2025US 2025/0187166 A1Sandvik Mining and Construction Oy
- Hammer temperature protection system and method23 Mar 2017US 2017/0080555 A1Caterpillar Inc.
- Valve15 Jan 2015US 2015/0013794 A1Construction Tools GmbH
- Hammering device27 Nov 2014US 2014/0345896 A1
- Percussion device26 Jan 2012US 2012/0018182 A1Sandvik Mining and Construction Oy
Most cited
By later US patents
- Drilling device for a rock drill21US 5,415,240 ASIG Schweizerische Industrie-Gesellschaft · 1995
- Rotary valve14US 4,478,248 A1984
- Hydraulic impact device with continuously controllable impact rate and impact force8US 5,667,022 ADeilman-Haniel GmbH · 1997
- Impact device with a rotable control valve6US 7,290,622 B2Sandvik Mining and Construction Oy · 2007
- Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device5US 7,322,425 B2Sandvik Mining and Construction Oy · 2008