B30B 15/22
Controlling the degree of pressure applied by the ram during the pressing
Official title: controlling the degree of pressure applied by the ram during the pressing stroke
B30B15/22 (Controlling the degree of pressure applied by the ram during the pressing) appears on 44 US grants and 25 published applications in this corpus.
Search patents in B30B- Granted patents
- 44
- Published applications
- 25
- Assignees
- 38
- Inventors
- 83
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 4 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Press device25 Nov 2025US 12,479,180 B2Sumitomo Heavy Industries, Ltd.
- Fine blanking press and method for operating the same23 Jan 2024US 11,878,335 B2Lapmaster Wolters GmbH
- Fat-depleted adipose tissue and a device and method for preparing the same14 Nov 2023US 11,813,293 B2Samer Srouji
- Adaptable hydraulic press13 Jun 2023US 11,673,360 B2ACMT, Inc.
- Pressurizing device14 Mar 2023US 11,603,868 B2Sumitomo Heavy Industries, Ltd.
- Press-molding device25 Jun 2026US 2026/0175494 A1Panasonic Intellectual Property Management Co., Ltd.
- Pressurizing device21 Jul 2022US 2022/0228607 A1Sumitomo Heavy Industries, Ltd.
- Press device30 Jun 2022US 2022/0203642 A1Sumitomo Heavy Industries, Ltd.
- Fat-depleted adipose tissue and a device and method for preparing the same18 Nov 2021US 2021/0353847 A1
- Adaptable hydraulic press17 Dec 2020US 2020/0391468 A1ACMT, Inc.
Most cited
By later US patents
- Hydraulic system for supplying hydraulic fluid to a hydraulically operated device alternately at pressures of different value71US 4,142,368 AWelko Industriale S.p.A. · 1979
- Method of controlling hydraulic press19US 5,071,603 AKabushiki Kaisha Kobe Seiko Sho · 1991
- Crimp height monitor16US 5,491,994 ADiamond Die & Mold Company · 1996
- Hot press including cam rod penetrating top platen15US 4,963,221 AKabushiki Kaisha Meiki Seisakusho · 1990
- Method of deciding the quality of resin workpiece in a compression-molding process15US 5,395,565 AKabushiki Kaisha Kobe Seiko Sho · 1995