B30B 1/32
Presses, using a press ram, characterised by the features of the drive
Official title: by plungers under fluid pressure
B30B1/32 (Presses, using a press ram, characterised by the features of the drive) appears on 282 US grants and 178 published applications in this corpus.
Search patents in B30B- Granted patents
- 282
- Published applications
- 178
- Assignees
- 205
- Inventors
- 559
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 1 |
| 2002 | 2 | 4 |
| 2003 | 6 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 2 | 1 |
| 2007 | 0 | 5 |
| 2008 | 4 | 10 |
| 2009 | 3 | 5 |
| 2010 | 5 | 6 |
| 2011 | 7 | 1 |
| 2012 | 2 | 4 |
| 2013 | 3 | 5 |
| 2014 | 3 | 10 |
| 2015 | 5 | 12 |
| 2016 | 8 | 7 |
| 2017 | 4 | 9 |
| 2018 | 12 | 13 |
| 2019 | 9 | 8 |
| 2020 | 9 | 9 |
| 2021 | 8 | 12 |
| 2022 | 11 | 9 |
| 2023 | 11 | 12 |
| 2024 | 10 | 8 |
| 2025 | 10 | 8 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine press adaptor16 Jun 2026US 12,654,413 B2Snap-on Incorporated
- Methods of material forming and/or cutting28 Apr 2026US 12,611,706 B2Cell Impact AB
- Rotor core molding method and system for molding a rotor core of an electric motor31 Mar 2026US 12,592,620 B2Boschman Technologies B.V.
- Press device24 Mar 2026US 12,584,722 B2Federal Bureau of Investigation
- Lightweight two-crossbeam high-speed free forging hydraulic press27 Jan 2026US 12,533,725 B2Xi' An Jiaotong University
- Pressing mechanism, workpiece holding mechanism, and processing apparatus8 Oct 2026US 2026/0307354 A1Ushio Denki Kabushiki Kaisha
- Pressure applying device11 Jun 2026US 2026/0158759 A1Eagle Industry Co., Ltd.
- Panel member pressurization construction device21 May 2026US 2026/0138344 A1Usun Technology Co., Ltd.
- 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 2026/0090457 A1All Ring Tech Co., Ltd.
Most cited
By later US patents
- Hydraulic press34US 4,304,540 A1981
- Process and press with a controlled pressure system30US 4,588,539 AJames River Corporation of Virginia · 1986
- RAM actuating mechanism in a press for terminating wires27US 4,924,693 AAMP Incorporated · 1990
- Hydraulic machine26US 6,240,758 B1Toyokoki Co., Ltd. · 2001
- Flywheel and screw press for producing ceramic articles24US 4,363,612 A1982