B30B 15/161
Controlling the ram speed and ram pressure
Official title: {controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure}
B30B15/161 (Controlling the ram speed and ram pressure) appears on 80 US grants and 49 published applications in this corpus.
Search patents in B30B- Granted patents
- 80
- Published applications
- 49
- Assignees
- 62
- Inventors
- 155
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
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| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 0 | 0 |
| 2005 | 3 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 6 |
| 2017 | 5 | 4 |
| 2018 | 3 | 3 |
| 2019 | 3 | 3 |
| 2020 | 6 | 5 |
| 2021 | 3 | 1 |
| 2022 | 3 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Refuse compression apparatus and a method for operating refuse compression apparatus21 Jan 2025US 12,202,668 B2AB NäRpes Trä & Metall—Oy NäRpion Puu Ja Metalli
- Apparatus for controlling the switch-over of hydraulic cylinders4 Apr 2023US 11,618,232 B2Moog Inc.
- Apparatus and method for cylinder changeover with a mechanically lockable force-building cylinder14 Feb 2023US 11,577,481 B2Moog Inc.
- Servo hydraulic press3 May 2022US 11,318,697 B2Automation, Press and Tooling, AP & T AB
- Secondary battery pressing method and pressing device supporting same12 Mar 2026US 2026/0074261 A1Samsung SDI.Co., Ltd.
- Hydraulic Forming Machine for Workpiece Forming, Hydraulic Control Unit and Method for Controlling a Hydraulic Cylinder of a Hydraulic Forming Machine6 Mar 2025US 2025/0073774 A1
- Powder press having a hydraulic press drive30 Jan 2025US 2025/0033310 A1Dorst Technologies GmbH & Co. KG
- Hydraulic Drive System Having a 2X2Q Pump Unit5 Dec 2024US 2024/0401614 A1HMS-HYBRID MOTION SOLUTIONS GmbH
- Press forming device and press forming method4 Apr 2024US 2024/0109115 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Self-regulated hydraulic control system37US 4,833,971 A1989
- Method for controlling the drive for a hydraulic press having a plurality of operating phases30US 5,568,766 AMaschinenfabrik Mueller-Weingarten AG · 1996
- Press assembly for powder material28US 4,260,346 A1981
- Hydraulic machine26US 6,240,758 B1Toyokoki Co., Ltd. · 2001
- Method and device for operating a hydraulic tool24US 5,687,567 APressmaster Tool AB · 1997