B30B 15/186
Controlling the return movement of the ram
Official title: {Controlling the return movement of the ram, e.g. decompression valves}
B30B15/186 (Controlling the return movement of the ram) appears on 13 US grants and 11 published applications in this corpus.
Search patents in B30B- Granted patents
- 13
- Published applications
- 11
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic press for fiber-reinforced plastic (FRP) product8 Oct 2024US 12,109,765 B2Jiangsu Yangli Hydraulic Equipment Co., Ltd.
- Apparatus for the controlled return of the stems in cylinders applied to stamping presses25 Jul 2023US 11,707,903 B2Special Springs S.R.L.
- Apparatus for controlling the switch-over of hydraulic cylinders4 Apr 2023US 11,618,232 B2Moog Inc.
- High-low system for balers, compactors and transfer station compactors8 Mar 2022US 11,268,543 B1
- Method for pressing a workpiece with a predetermined pressing force2 Nov 2021US 11,161,316 B2STIWA Holding GmbH
- Hydraulic press for fiber-reinforced plastic (FRP) product6 Apr 2023US 2023/0107481 A1Jiangsu Yangli Hydraulic Equipment Co., Ltd.
- High-Low System for Balers, Compactors and Transfer Station Compactors24 Feb 2022US 2022/0056914 A1
- Apparatus for the controlled return of the stems in cylinders applied to stamping presses12 Aug 2021US 2021/0245468 A1Special Springs S.R.L.
- Method for pressing a workpiece with a predetermined pressing force15 Oct 2020US 2020/0324503 A1STIWA Holding GmbH
- Pressure Monitoring System8 Oct 2020US 2020/0315513 A1Medical Measurement Systems B.V.
Most cited
By later US patents
- Filling and exhaust valve for the control of the hydraulic flow on presses and shears10US 4,307,654 AInter-Hydraulik AG · 1981
- Material forming apparatus10US 4,341,137 AThe Warner & Swasey Company · 1982
- Hydraulic screw press drive7US 4,181,003 A1980
- Exhaust valve3US 3,974,764 A1976
- High-low system for balers, compactors and transfer station compactors1US 11,268,543 B12022