B21D 53/74
Frames for openings
Official title: frames for openings, e.g. for windows, doors, handbags
B21D53/74 (Frames for openings) appears on 95 US grants and 64 published applications in this corpus.
Search patents in B21D- Granted patents
- 95
- Published applications
- 64
- Assignees
- 53
- Inventors
- 125
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 4 |
| 2007 | 1 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 3 | 5 |
| 2015 | 4 | 7 |
| 2016 | 3 | 3 |
| 2017 | 2 | 4 |
| 2018 | 1 | 4 |
| 2019 | 6 | 4 |
| 2020 | 3 | 1 |
| 2021 | 3 | 3 |
| 2022 | 1 | 4 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing method of an intelligent anti-terrorism protective door7 Apr 2026US 12,595,701 B2
- Automobile having retractable rear quarter windows30 Dec 2025US 12,508,883 B2Fisker IP/Austria Assets Trust
- Bezel connection structure and display21 May 2024US 11,991,839 B2Guangzhou Shirui Electronics Co., Ltd.
- Automated spacer frame fabrication31 Oct 2023US 11,801,544 B2GED Integrated Solutions, Inc.
- Method for producing a motor vehicle component from a 6000-series aluminum alloy3 Oct 2023US 11,773,476 B2Benteler Automobiltechnik GmbH
- Frames for solar panels6 Aug 2026US 2026/0230034 A1
- A manufacturing method of an intelligent anti-terrorism protective door3 Jul 2025US 2025/0215742 A1
- Automobile having retractable rear quarter windows12 May 2022US 2022/0144048 A1Fisker Inc.
- Automobile having retractable rear quarter windows12 May 2022US 2022/0144049 A1Fisker Inc.
- Automobile having retractable rear quarter windows12 May 2022US 2022/0144359 A1Fisker Inc.
Most cited
By later US patents
- Method of making a spacer frame assembly93US 5,361,476 AGlass Equipment Development, Inc. · 1994
- Method of making a spacer frame assembly88US 5,295,292 AGlass Equipment Development, Inc. · 1994
- Spacers for use in multiple-pane windows or the like41US 4,720,950 AFranz Xaver Bayer Isolierglasfabrik KG · 1988
- Window frame corner fabrication37US 7,448,246 B2GED Integrated Solutions, Inc. · 2008
- Apparatus for placement of angle plates in transverse duct flanges35US 5,283,944 A1994