B30B 1/34
Involving a plurality of plungers acting on the platen
Official title: involving a plurality of plungers acting on the platen (gas operated B30B1/38)
B30B1/34 (Involving a plurality of plungers acting on the platen) appears on 57 US grants and 46 published applications in this corpus.
Search patents in B30B- Granted patents
- 57
- Published applications
- 46
- Assignees
- 50
- Inventors
- 152
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 3 | 1 |
| 2019 | 4 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 5 |
| 2022 | 2 | 2 |
| 2023 | 4 | 5 |
| 2024 | 4 | 0 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Forging machine with prestressed concrete machine frame23 Sep 2025US 12,420,329 B2Langenstein & Schemann GmbH
- Self contained compactor system4 Feb 2025US 12,214,568 B2Marathon Equipment Company
- Hydraulic press for fiber-reinforced plastic (FRP) product8 Oct 2024US 12,109,765 B2Jiangsu Yangli Hydraulic Equipment Co., Ltd.
- Piston-cylinder assembly of a hydraulic press9 Jul 2024US 12,030,272 B2Vahterus Oy
- Computerized rosin press28 May 2024US 11,993,050 B2
- Hydraulic pulp bale press for compressing pulp bales and method of compressing21 May 2026US 2026/0138345 A1Valmet Corporation
- Pressing method and pressing device26 Mar 2026US 2026/0090458 A1All Ring Tech Co., Ltd.
- Pressing Device31 Jul 2025US 2025/0242520 A1Alphasystem Corporation
- Self contained compactor system5 Jun 2025US 2025/0178301 A1Marathon Equipment Company
- Powder press having a hydraulic press drive30 Jan 2025US 2025/0033310 A1Dorst Technologies GmbH & Co. KG
Most cited
By later US patents