B30B 1/23
Operated by fluid-pressure means
Official title: operated by fluid-pressure means
B30B1/23 (Operated by fluid-pressure means) appears on 14 US grants and 6 published applications in this corpus.
Search patents in B30B- Granted patents
- 14
- Published applications
- 6
- Assignees
- 10
- Inventors
- 58
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Press machine execution system6 Dec 2022US 11,518,131 B2Hefei University of Technology
- Press machine and press machine execution system30 Nov 2021US 11,186,057 B2Hefei University of Technology
- Inner-circulation high-speed hydraulic system, hydraulic platform, and hydraulic platform assembly29 Dec 2020US 10,875,272 B2Shanghai Eternal Machinery Co., Ltd.
- Press machine22 Sep 2015US 9,138,794 B2Murata Machinery, Ltd.
- Drive apparatus, press machine slide drive apparatus and method thereof18 Nov 2003US 6,647,870 B2Aida Engineering, Ltd.
- Ultrahigh-speed bar precision shearing device adopting type of alternating current servo motors driving flywheel to spirally compress nitrogen for energy storage24 Jul 2025US 2025/0236084 A1Xi' An Jiaotong University
- Press machine execution system24 Feb 2022US 2022/0055332 A1Hefei University of Technology
- Press machine and press machine execution system2 Jan 2020US 2020/0001563 A1Hefei University of Technology
- Inner-circulation high-speed hydraulic system, hydraulic platform, and hydraulic platform assembly27 Oct 2016US 2016/0311217 A1Shanghai Eternal Machinery Co., Ltd.
- Press machine20 Jun 2013US 2013/0152661 A1Murata Machinery, Ltd.
Most cited
By later US patents
- Drive apparatus, press machine slide drive apparatus and method thereof39US 6,647,870 B2Aida Engineering, Ltd. · 2003
- Compression molding apparatus11US 5,698,240 AKabushiki Kaisha Mitsuishi Fukai Tekkosho · 1997
- Hydraulic screw press drive7US 4,181,003 A1980
- Hydraulic screw press drive7US 4,209,987 A1980
- Press7US 4,559,807 AMoskovskoe Vysshee Tekhnicheskoe Uchilische Imeni N. E. Baumana · 1985