B30B 15/042
Prestressed frames
Official title: {Prestressed frames}
B30B15/042 (Prestressed frames) appears on 42 US grants and 26 published applications in this corpus.
Search patents in B30B- Granted patents
- 42
- Published applications
- 26
- Assignees
- 23
- Inventors
- 41
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 5 |
| 2005 | 0 | 0 |
| 2006 | 3 | 3 |
| 2007 | 1 | 0 |
| 2008 | 3 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 5 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 3 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-part machine frame for a forming machine20 Jan 2026US 12,528,114 B2Langenstein & Schemann GmbH
- Forging machine with prestressed concrete machine frame23 Sep 2025US 12,420,329 B2Langenstein & Schemann GmbH
- Modular press30 Apr 2024US 11,969,912 B2Usnr, LLC
- Reinforced press base, strengthening ring, and method of reinforcing a press base23 Jan 2024US 11,878,485 B1US Synthetic Corporation
- High pressure press and method of making the same2 Jan 2024US 11,858,230 B1US Synthetic Corporation
- Modular press22 Aug 2024US 2024/0278457 A1Usnr, LLC
- Schmiedemaschine mit Maschinengestell aus vorgespanntem Beton13 Apr 2023US 2023/0110046 A1Langenstein & Schemann GmbH
- Multi-part machine frame for a forming machine9 Mar 2023US 2023/0070810 A1Langenstein & Schemann GmbH
- Modular press24 Feb 2022US 2022/0055246 A1Usnr, LLC
- Oil hydraulic press5 Dec 2019US 2019/0366670 A1Ningbo Dema Intelligent Machinery Co., Ltd.
Most cited
By later US patents
- Press with wedge42US 4,535,689 A1985
- High pressure press with tensioning assembly and related methods10US 8,739,697 B1US Synthetic Corporation · 2014
- Frame structure for a press assembly9US 4,240,342 ARexnord Inc. · 1980
- Hammer forging presses8US 4,064,734 APahnke Engineering GmbH & Co. KG · 1977
- Brick press frame having prestressed columns6US 4,259,054 AWehr Corporation · 1981