F28D 7/14
Both tubes being bent
Official title: both tubes being bent
F28D7/14 (Both tubes being bent) appears on 89 US grants and 111 published applications in this corpus.
Search patents in F28D- Granted patents
- 89
- Published applications
- 111
- Assignees
- 96
- Inventors
- 279
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 6 |
| 2008 | 2 | 6 |
| 2009 | 4 | 6 |
| 2010 | 1 | 4 |
| 2011 | 1 | 4 |
| 2012 | 4 | 9 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 6 | 9 |
| 2016 | 2 | 5 |
| 2017 | 5 | 10 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 8 | 3 |
| 2021 | 5 | 7 |
| 2022 | 5 | 6 |
| 2023 | 4 | 5 |
| 2024 | 5 | 3 |
| 2025 | 5 | 0 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pipe arrangement for transporting temperature control media25 Feb 2025US 12,235,051 B2Ti Automotive Technology Center GmbH
- Dish washing machine with heat exchangers18 Feb 2025US 12,226,065 B2K.D.W. Company Limited
- Method for assembling a heat exchanger with coaxial tubing for an air-conditioning circuit of a vehicle30 Jul 2026US 2026/0218987 A1Hutchinson
- Heat exchanger material and heat exchanger for cryogenic cooling systems, and a system16 Jul 2026US 2026/0202149 A1Bluefors Oy
- Heat exchange apparatus and heat pump system provided with same21 May 2026US 2026/0139909 A1Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Enhanced multi-stage dilution refrigerator with optimized thermal exchange30 Apr 2026US 2026/0118021 A1Maybell Quantum Industries, Inc.
- Heat and cold storage tank with counterflow heat exchanger5 Mar 2026US 2026/0063375 A1
Most cited
By later US patents
- Spiral concentric-tube heat exchanger37US 3,976,129 A1976
- Method and means for recovering heat in the pyrolysis of 1,2-dichloroethane34US 5,728,906 AKashima Vinyl Chloride Monomer Co., Ltd. · 1998
- Process and apparatus for treating waste24US 6,047,768 AUnited States Filter Corporation · 2000
- Embedded heat pipe in a hybrid cooling system18US 7,551,442 B2NVIDIA Corporation · 2009
- Catalytic reactor16US 7,500,999 B2Praxair Technology, Inc. · 2009