B60H 2001/2271
Heat exchangers, burners, ignition devices
Official title: {Heat exchangers, burners, ignition devices}
B60H2001/2271 (Heat exchangers, burners, ignition devices) appears on 94 US grants and 147 published applications in this corpus.
Search patents in B60H- Granted patents
- 94
- Published applications
- 147
- Assignees
- 70
- Inventors
- 361
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 9 |
| 2015 | 1 | 7 |
| 2016 | 2 | 4 |
| 2017 | 8 | 5 |
| 2018 | 4 | 14 |
| 2019 | 9 | 17 |
| 2020 | 5 | 18 |
| 2021 | 11 | 11 |
| 2022 | 9 | 4 |
| 2023 | 6 | 9 |
| 2024 | 3 | 12 |
| 2025 | 3 | 7 |
| 2026 | 0 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air conditioner and an air conditioning system having an integrated heat exchanger7 Oct 2025US 12,434,532 B2Hanon Systems
- Heat pump system for a vehicle30 Sep 2025US 12,427,830 B2Hanon Systems
- Two-stage catalytic heating systems and methods of operating thereof22 Jul 2025US 12,366,356 B2Proof Energy Inc.
- Heat exchanger3 Dec 2024US 12,157,349 B2Mahle International GmbH
- Heating apparatus29 Oct 2024US 12,130,050 B2Munster Simms Engineering Limited
- Heating apparatus8 Oct 2026US 2026/0307460 A1Aisan Kogyo Kabushiki Kaisha
- Heating apparatus8 Oct 2026US 2026/0307461 A1Aisan Kogyo Kabushiki Kaisha
- Vehicle HVAC System for Using Passenger Compartment Heat for Operation13 Aug 2026US 2026/0233580 A1Mahle International GmbH
- Heat exchange device30 Jul 2026US 2026/0217087 A1Aisan Kogyo Kabushiki Kaisha
- Heating apparatus for vehicle16 Jul 2026US 2026/0200289 A1Estra Automotive Systems Co., Ltd.
Most cited
By later US patents
- Combustion heater25US 5,722,588 ANippon Soken, Inc. · 1998
- Combustion heater24US 5,056,501 AZexel Corporation · 1991
- Heater controller21US 4,744,747 AIsuzu Motors Limited · 1988
- Flow heater18US 6,093,909 ADavid & Baader - DBK - Spezialfabrik elektischer Apparate und Heizwiderstande GmbH · 2000
- Vehicle heating17US 5,413,279 A1995