B61D 27/0072
Means for cooling only
Official title: {Means for cooling only (cooling in general F25)}
B61D27/0072 (Means for cooling only) appears on 53 US grants and 61 published applications in this corpus.
Search patents in B61D- Granted patents
- 53
- Published applications
- 61
- Assignees
- 32
- Inventors
- 141
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 6 |
| 2006 | 1 | 0 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 4 |
| 2016 | 1 | 2 |
| 2017 | 5 | 4 |
| 2018 | 5 | 9 |
| 2019 | 3 | 5 |
| 2020 | 5 | 0 |
| 2021 | 3 | 5 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 5 |
| 2025 | 2 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigerated boxcar ducted floor17 Mar 2026US 12,576,893 B2Trinity Rail Group, LLC
- Cooling system for a transportation vehicle arranged to be transported in a low-pressure environment13 Jan 2026US 12,522,260 B2Hardt IP B.V.
- Hyperloop environmental control system11 Nov 2025US 12,466,234 B2Hamilton Sundstrand Corporation
- Air conditioner for rail vehicle16 Sep 2025US 12,415,406 B2Hitachi, Ltd.
- Passenger transport vehicle8 Oct 2024US 12,110,044 B2Siemens Mobility GmbH
- Rail vehicle6 Aug 2026US 2026/0225627 A1Siemens Mobility GmbH
- Apparatus for powering a refrigeration unit of a cargo container6 Feb 2025US 2025/0042449 A1Carrier Corporation
- Electronic device6 Feb 2025US 2025/0048584 A1Mitsubishi Electric Corporation
- Electronic device30 Jan 2025US 2025/0040103 A1Mitsubishi Electric Corporation
- Electronic device2 Jan 2025US 2025/0008705 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Cryogenic refrigeration system34US 4,704,876 A1987
- Carbon dioxide refrigeration system31US 4,593,536 ABurlington Northern Railroad Company · 1986
- Refrigerated container30US 4,891,954 ASheffield Shipping & Management Ltd. · 1990
- Insulated cargo containers28US 7,748,172 B2Martin Marietta Materials, IInc. · 2010
- Dry ice rail car cooling system27US 5,979,173 A1999