F28F 9/0263
By varying the geometry or cross-section of header box
Official title: {by varying the geometry or cross-section of header box}
F28F9/0263 (By varying the geometry or cross-section of header box) appears on 103 US grants and 154 published applications in this corpus.
Search patents in F28F- Granted patents
- 103
- Published applications
- 154
- Assignees
- 109
- Inventors
- 404
- Latest grant
- 11 Aug 2026
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 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 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 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 4 |
| 2006 | 4 | 6 |
| 2007 | 4 | 11 |
| 2008 | 2 | 4 |
| 2009 | 1 | 5 |
| 2010 | 2 | 9 |
| 2011 | 2 | 7 |
| 2012 | 1 | 4 |
| 2013 | 4 | 5 |
| 2014 | 0 | 4 |
| 2015 | 3 | 6 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 8 | 10 |
| 2019 | 5 | 12 |
| 2020 | 8 | 6 |
| 2021 | 8 | 15 |
| 2022 | 11 | 5 |
| 2023 | 5 | 7 |
| 2024 | 5 | 10 |
| 2025 | 7 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aircraft heat exchangers and plates11 Aug 2026US 12,704,330 B2Rtx Corporation
- Electronic component cooler19 May 2026US 12,635,522 B2Danfoss Silicon Power GmbH
- Heat exchanger core geometries used as support material and fluid connectivity passages for heat exchanger headering17 Mar 2026US 12,578,145 B2Hamilton Sundstrand Corporation
- Heat exchanger and air-conditioning apparatus18 Nov 2025US 12,474,130 B2Mitsubishi Electric Corporation
- Manifold for a coldplate cooling system4 Nov 2025US 12,460,880 B2
- Equalizing flow manifold with bernoulli-derived hierarchical geometry, asymmetric inlet/outlet architectures, and modular polygonal flow units, and cooling apparatus including same24 Sep 2026US 2026/0287281 A1HRL Laboratories, LLC
- Plate heat exchanger9 Jul 2026US 2026/0194300 A1Alfa Laval Corporate AB
- Printed-circuit-type heat exchanger having improved durability, hydrogen storage device comprising same, and hydrogen compression device9 Jul 2026US 2026/0194303 A1Energyn Inc.
- Stress optimized conformal weave header geometry11 Jun 2026US 2026/0160505 A1Hamilton Sundstrand Corporation
- Manifold1 Jan 2026US 2026/0002715 A1Aisin Corporation
Most cited
By later US patents
- Outlet silencer and heat recovery structures for gas turbine177US 6,851,514 B2Air Handling Engineering Ltd. · 2005
- Tubular heat exchange systems97US 9,200,855 B2Honeywell International Inc. · 2015
- Evaporative cooling system for a data-communications cabinet50US 7,438,124 B2Delphi Technologies, Inc. · 2008
- Heat exchanger as heat exchanger in heating installations or engine radiator of motor vehicles39US 6,302,196 B1Valeo Klimatechnik GmgH & Co., KG · 2001
- Solar energy collector for direct air heating36US 4,122,828 A1978