F28F 2275/06
Fastening: by welding
Official title: by welding
F28F2275/06 (Fastening: by welding) appears on 394 US grants and 623 published applications in this corpus.
Search patents in F28F- Granted patents
- 394
- Published applications
- 623
- Assignees
- 370
- Inventors
- 1,390
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 5 |
| 2004 | 5 | 4 |
| 2005 | 1 | 7 |
| 2006 | 4 | 5 |
| 2007 | 1 | 13 |
| 2008 | 1 | 9 |
| 2009 | 2 | 9 |
| 2010 | 5 | 15 |
| 2011 | 5 | 17 |
| 2012 | 6 | 19 |
| 2013 | 7 | 17 |
| 2014 | 7 | 9 |
| 2015 | 11 | 24 |
| 2016 | 16 | 32 |
| 2017 | 12 | 33 |
| 2018 | 26 | 29 |
| 2019 | 30 | 46 |
| 2020 | 32 | 48 |
| 2021 | 28 | 48 |
| 2022 | 30 | 53 |
| 2023 | 28 | 46 |
| 2024 | 45 | 55 |
| 2025 | 39 | 41 |
| 2026 | 15 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28F 2275/067By laser weldingIndexing code56
- F28F 2275/061By diffusion bondingIndexing code48
- F28F 2275/062By impact pressure or friction weldingIndexing code43
- F28F 2275/065By ultrasonic or vibration weldingIndexing code21
- F28F 2275/068By explosive weldingIndexing code9
- F28F 2275/064By induction welding or by using microwavesIndexing code5
Recent patents
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Manufacture of a thermoplastic heat exchanger18 Aug 2026US 12,712,220 B2Sogefi Air & Cooling USA, Inc.
- Vapor chamber with support structure30 Jun 2026US 12,669,293 B2Delta Electronics, Inc.
- Liquid desiccant air conditioner modules having interlocking panels for controlling airflow16 Jun 2026US 12,656,019 B2Copeland Corporation
- Solar heating system9 Jun 2026US 12,650,245 B2
- Thermal device10 Sep 2026US 2026/0266555 A1KYOCERA Corporation
- Microtube heat exchanger devices, systems, and methods3 Sep 2026US 2026/0259008 A1Intergalactic Spaceworx, LLC
- Heat exchanger module13 Aug 2026US 2026/0235364 A1Alfa Laval Vicarb SAS
- Additively manufactured parts and structures with fins and methods of manufacturing the same6 Aug 2026US 2026/0225177 A1Blue Origin Manufacturing, LLC
- Heat exchanger, method for manufacturing the same, and refrigeration apparatus6 Aug 2026US 2026/0227137 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Microchannel heat sink assembly166US 5,099,311 AThe United States of America as represented by the United States Department of Energy · 1992
- Heat pipe cooling plate76US 4,880,052 AThermacore, Inc. · 1989
- Method of repairing a discontinuity on a tube by welding72US 5,789,720 AWestinghouse Electric Corp. · 1998
- Direct tube repair by laser welding30US 5,359,172 AWestinghouse Electric Corp. · 1994
- Fluid processing device and method30US 6,994,829 B2Battelle Memorial Institute · 2006