F28F 2240/00
Spacing means
F28F2240/00 (Spacing means) appears on 262 US grants and 359 published applications in this corpus.
Search patents in F28F- Granted patents
- 262
- Published applications
- 359
- Assignees
- 226
- Inventors
- 869
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 4 |
| 2004 | 2 | 3 |
| 2005 | 3 | 9 |
| 2006 | 2 | 12 |
| 2007 | 10 | 17 |
| 2008 | 5 | 7 |
| 2009 | 6 | 11 |
| 2010 | 6 | 15 |
| 2011 | 4 | 18 |
| 2012 | 6 | 13 |
| 2013 | 8 | 10 |
| 2014 | 6 | 16 |
| 2015 | 3 | 15 |
| 2016 | 6 | 10 |
| 2017 | 13 | 34 |
| 2018 | 17 | 25 |
| 2019 | 17 | 24 |
| 2020 | 20 | 30 |
| 2021 | 19 | 22 |
| 2022 | 14 | 21 |
| 2023 | 22 | 21 |
| 2024 | 10 | 7 |
| 2025 | 20 | 5 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger with tube bundle comprising at least two sections15 Sep 2026US 12,736,288 B2Valmex S.P.A.
- Three-dimensional heat transfer device14 Apr 2026US 12,601,549 B2Purple Cloud Development Pte. Ltd.
- Spiral heat exchanger and heat exchange device30 Dec 2025US 12,510,299 B2Shanghai Xingye Materials Technology Co., Ltd.
- Vapor chamber16 Dec 2025US 12,498,181 B2Kelvin Thermal Technologies, Inc.
- Device for thermal regulation of at least one electronic component9 Dec 2025US 12,495,517 B2Valeo Systemes Thermiques
- Sheet membrane apparatus8 Oct 2026US 2026/0309425 A1Baltimore Aircoil Company, Inc.
- Three-dimensional heat transfer device13 Aug 2026US 2026/0235366 A1Purple Cloud Development Pte. Ltd.
- Cooling device13 Aug 2026US 2026/0235370 A1Accton Technology Corporation
- High-efficiency vapor chamber2 Jul 2026US 2026/0190292 A1Zhongshan Zhongde Technology Co., Ltd
- Fixture and method of using the same28 May 2026US 2026/0145285 A1Champ Tech Optical (Foshan) Corporation
Most cited
By later US patents
- Heat exchange assembly97US 5,638,900 AAil Research Inc. · 1997
- Heat and mass exchanger94US 7,269,966 B2AIL Reasearch, Inc. · 2007
- Battery pack cooling structure79US 6,709,783 B2Matsushita Electric Industrial Co., Ltd. · 2004
- Heat exchanger of plate fin type77US 4,729,428 AShowa Aluminum Corporation · 1988
- Systems and methods of generating electricity using heat from within the earth53US 10,598,160 B2Hmfsf IP Holdings, LLC · 2020