B21D 53/80
Dustproof covers
Official title: dustproof covers; safety covers
B21D53/80 (Dustproof covers) appears on 14 US grants and 12 published applications in this corpus.
Search patents in B21D- Granted patents
- 14
- Published applications
- 12
- Assignees
- 19
- Inventors
- 47
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy-dissipating cover and methods for making the cover20 Feb 2024US 11,904,376 B2GM Global Technology Operations LLC
- Expanded metal for automotive interior parts14 Nov 2023US 11,813,654 B2GRAMMER Interior Components GmbH
- Protective cover for vibrating compactor and manufacturing method thereof3 Apr 2018US 9,931,686 B2Mikasa Sangyo Co., Ltd.
- Multilayer composite panel27 Jun 2017US 9,688,054 B2Hyundai Motor Company
- Method of making a torque converter assembly31 Jan 1995US 5,384,958 AGeneral Motors Corporation
- Method for shell right angle bending process11 Sep 2025US 2025/0281962 A1Shenzhen Futaixin Technology Co., Ltd
- Cooker hood26 Dec 2024US 2024/0426485 A1Q Vent Ltd
- Energy-dissipating cover and methods for making the cover11 Jul 2024US 2024/0226987 A1GM Global Technology Operations LLC
- Energy-dissipating cover and methods for making the cover3 Feb 2022US 2022/0039278 A1GM Global Technology Operations LLC
- Expanded metal for automotive interior parts27 May 2021US 2021/0154724 A1GRAMMER Interior Components GmbH
Most cited
By later US patents
- Apparatus for manufacturing rupture disks33US 4,492,103 ABS&B Safety Systems, Inc. · 1985
- Scored concave-convex rupture disk and method of manufacture18US 4,655,070 A1987
- Paint drain closure and vehicle panel17US 4,700,981 APerfection Spring & Stamping Corp. · 1987
- Scored reverse buckling rupture disk manufacturing method14US 4,441,350 ABS&B Safety Systems, Inc. · 1984
- Method of making a torque converter assembly13US 5,384,958 AGeneral Motors Corporation · 1995