B21D 53/022
Making the fins
Official title: {Making the fins}
B21D53/022 (Making the fins) appears on 80 US grants and 92 published applications in this corpus.
Search patents in B21D- Granted patents
- 80
- Published applications
- 92
- Assignees
- 54
- Inventors
- 211
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 6 |
| 2013 | 0 | 7 |
| 2014 | 3 | 6 |
| 2015 | 8 | 4 |
| 2016 | 4 | 9 |
| 2017 | 2 | 4 |
| 2018 | 4 | 6 |
| 2019 | 8 | 9 |
| 2020 | 3 | 6 |
| 2021 | 6 | 11 |
| 2022 | 12 | 6 |
| 2023 | 8 | 7 |
| 2024 | 8 | 3 |
| 2025 | 3 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fin assembling method24 Feb 2026US 12,560,391 B2Daikin Industries, Ltd.
- Operation and maintenance system for air conditioner production, and production method10 Feb 2026US 12,544,867 B1Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Method for producing a heat sink having fins and a peripheral side wall30 Dec 2025US 12,508,643 B2Siemens Aktiengesellschaft
- Heat sink manufacturing method9 Sep 2025US 12,409,486 B2Heat-Sol Corp.
- Processing apparatus, control method for processing apparatus and heat exchanger20 May 2025US 12,303,960 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Textured Skived Fins28 May 2026US 2026/0145224 A1Dell Products L. P.
- Fin assembling method7 May 2026US 2026/0126250 A1Daikin Industries, Ltd.
- Method for producing a heat sink having fins and a peripheral side wall4 Sep 2025US 2025/0276356 A1Siemens Aktiengesellschaft
- Heat exchanger17 Jul 2025US 2025/0230986 A1Baltimore Aircoil Company, Inc.
- Heat sink manufacturing method and system13 Feb 2025US 2025/0050408 A1Heat-Sol Corp.
Most cited
By later US patents
- Apparatus for making corrugated sheet material18US 4,170,122 ACovrad Limited · 1979
- Heat exchanger fin roll13US 4,067,219 A1978
- Method of manufacture of ventilated sheet metal floor members12US 4,418,558 ABantam Systems, Inc. · 1983
- Process and apparatus for the manufacture of radiator cooling fins12US 4,888,972 APronto Auto Repair Dealerships Inc. · 1989
- Method for manufacturing a corrugated fin and a shaping roll apparatus therefor11US 5,176,020 ANippondenso Co., Ltd. · 1993