B30B 15/183
Controlling the filling of the press cylinder during the approach stroke of
Official title: {Controlling the filling of the press cylinder during the approach stroke of the ram, e.g. prefill-valves}
B30B15/183 (Controlling the filling of the press cylinder during the approach stroke of) appears on 4 US grants and 4 published applications in this corpus.
Search patents in B30B- Granted patents
- 4
- Published applications
- 4
- Assignees
- 6
- Inventors
- 10
- Latest grant
- 22 Sep 2015
Filings by year
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| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Press machine22 Sep 2015US 9,138,794 B2Murata Machinery, Ltd.
- Apparatus and method for pre-filling a hydraulic motor23 Dec 1986US 4,630,442 ATrol-Mation, Inc.
- Filling and exhaust valve for the control of the hydraulic flow on presses and shears29 Dec 1981US 4,307,654 AInter-Hydraulik AG
- Exhaust valve17 Aug 1976US 3,974,764 A
- Powder press having a hydraulic press drive30 Jan 2025US 2025/0033310 A1Dorst Technologies GmbH & Co. KG
- Embodiment providing energy saving in hydraulic bending presses25 Dec 2014US 2014/0373739 A1Demirer Teknolojik Sistemler Sanayi Ticaret Limite Sirketi
- Press machine20 Jun 2013US 2013/0152661 A1Murata Machinery, Ltd.
- Energy saving in hydraulic bending presses7 Jun 2012US 2012/0137903 A1Demirer Teknolojik Sistemler Sanayi Ticaret Limited Sirketi
Most cited
By later US patents
- Apparatus and method for pre-filling a hydraulic motor12US 4,630,442 ATrol-Mation, Inc. · 1986
- Filling and exhaust valve for the control of the hydraulic flow on presses and shears10US 4,307,654 AInter-Hydraulik AG · 1981
- Exhaust valve3US 3,974,764 A1976
- Press machine2US 9,138,794 B2Murata Machinery, Ltd. · 2015