B21D 26/031
Mould construction
Official title: Mould construction (B21D26/025 - B21D26/029 take precedence)
B21D26/031 (Mould construction) appears on 68 US grants and 66 published applications in this corpus.
Search patents in B21D- Granted patents
- 68
- Published applications
- 66
- Assignees
- 51
- Inventors
- 161
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 5 |
| 2006 | 5 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 4 | 4 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 5 | 5 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 3 | 5 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 3 | 6 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining a pressure distribution of a molding tool device as well as reshaping apparatus and composite sheet metal component17 Feb 2026US 12,551,978 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Methods and systems for production of handpans26 Aug 2025US 12,400,624 B2
- Mold for hot forming of sheet materials19 Aug 2025US 12,390,848 B2Fontana Pietro S.P.A.
- Manufacture of an air inlet lip or ring sector of an air inlet lip incorporating openings with turned-in edges29 Oct 2024US 12,129,793 B2Safran Nacelles
- Method and a device for manufacturing a part starting from a cushion made of deformable material, in particular for an edge of an element of an aircraft18 Jun 2024US 12,011,754 B2Airbus Operations GmbH
- Methods and systems for production of handpans2 Jul 2026US 2026/0188286 A1
- Internal expanded fluid forming method11 Jun 2026US 2026/0158539 A1Changchun Yinsu Lisheng Technology Development Co., Ltd.
- Method and apparatus for simultaneous hot formation of hollow component30 Apr 2026US 2026/0115780 A1ROLLS-ROYCE plc
- Superplastic forming machine and a method of superplastic forming16 Jan 2025US 2025/0018637 A1
- Impact Hydroforming Mold and Impact Hydroforming Method with Integration of Blank Holder and Feeding24 Oct 2024US 2024/0351087 A1Institute of Metal Reseach Chinese Academy of Sciences
Most cited
By later US patents
- Method of shaping an antenna panel24US 4,731,144 AHarris Corporation · 1988
- Heated metal forming tool20US 6,810,709 B2General Motors Corporation · 2004
- Method for blow down hydroforming sheet material18US 5,932,167 AHy Tech Worldwide, Inc. · 1999
- Hydroforming device and method18US 7,266,982 B12007
- Forming method and apparatus and an associated preform having a hydrostatic pressing medium16US 7,905,128 B2The Boeing Company · 2011