B23K 1/0012
Brazing of heat exchangers
Official title: {Brazing of heat exchangers}
B23K1/0012 (Brazing of heat exchangers) appears on 565 US grants and 682 published applications in this corpus.
Search patents in B23K- Granted patents
- 565
- Published applications
- 682
- Assignees
- 303
- Inventors
- 1,528
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 5 |
| 2002 | 11 | 16 |
| 2003 | 16 | 17 |
| 2004 | 11 | 20 |
| 2005 | 15 | 18 |
| 2006 | 11 | 24 |
| 2007 | 6 | 26 |
| 2008 | 5 | 24 |
| 2009 | 4 | 30 |
| 2010 | 8 | 23 |
| 2011 | 10 | 26 |
| 2012 | 16 | 21 |
| 2013 | 13 | 30 |
| 2014 | 13 | 29 |
| 2015 | 25 | 46 |
| 2016 | 14 | 39 |
| 2017 | 26 | 37 |
| 2018 | 30 | 31 |
| 2019 | 31 | 31 |
| 2020 | 19 | 35 |
| 2021 | 26 | 21 |
| 2022 | 23 | 42 |
| 2023 | 23 | 34 |
| 2024 | 22 | 27 |
| 2025 | 26 | 18 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing method for heat exchanger6 Oct 2026US 12,752,357 B2Daikin Industries, Ltd.
- Heat exchanger with a fluid flow tube and protection against micrometeorites2 Jun 2026US 12,643,166 B2Liebherr-Aerospace Toulouse SAS
- Method for manufacturing a heat exchanger by brazing a temperature probe, corresponding heat exchanger and temperature probe19 May 2026US 12,629,786 B2Alfa Laval Golbey SAS
- Brazing sheets, articles formed from brazing sheets, and methods of forming articles31 Mar 2026US 12,589,450 B2Arconic Technologies LLC
- Heat exchanger, heat pump device, and method of manufacturing heat exchanger24 Mar 2026US 12,583,042 B2Daikin Industries, Ltd.
- High recycle content aluminum alloys, aluminum alloy products, and methods of producing a brazed product13 Aug 2026US 2026/0234758 A1Novelis Koblenz GmbH
- Heat exchanger, method for manufacturing the same, and refrigeration apparatus6 Aug 2026US 2026/0227137 A1Daikin Industries, Ltd.
- Method for Producing a Folded Flat Tube23 Jul 2026US 2026/0208279 A1Mahle International GmbH
- Brazing process23 Jul 2026US 2026/0208280 A1Optoprim S.R.L.
- Heat exchanger and air conditioner comprising same23 Jul 2026US 2026/0210648 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Heat exchanger141US 6,964,296 B2Modine Manufacturing Company · 2005
- Cooling apparatus and assembling method thereof71US 5,558,155 AMitsubishi Denki Kabushiki Kaisha · 1996
- Differential coatings for microextruded tubes used in parallel flow heat exchangers56US 5,544,698 APeerless of America, Inc. · 1996
- Evaporator51US 5,042,577 AAisin Seiki Kabushiki Kaisha · 1991
- Method and apparatus for convection brazing of aluminum heat exchangers49US 5,172,849 AGeneral Motors Corporation · 1992