B60H 1/22
The heat source being other than the propulsion plant
Official title: the heat source being other than the propulsion plant {(B60H1/00492 takes precedence)}
B60H1/22 (The heat source being other than the propulsion plant) appears on 1,265 US grants and 1,677 published applications in this corpus.
Search patents in B60H- Granted patents
- 1,265
- Published applications
- 1,677
- Assignees
- 453
- Inventors
- 3,129
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 17 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 21 | 0 |
| 1999 | 22 | 0 |
| 2000 | 28 | 0 |
| 2001 | 14 | 5 |
| 2002 | 9 | 16 |
| 2003 | 13 | 20 |
| 2004 | 15 | 23 |
| 2005 | 16 | 29 |
| 2006 | 12 | 26 |
| 2007 | 9 | 16 |
| 2008 | 9 | 23 |
| 2009 | 9 | 24 |
| 2010 | 8 | 29 |
| 2011 | 12 | 21 |
| 2012 | 7 | 37 |
| 2013 | 12 | 58 |
| 2014 | 26 | 52 |
| 2015 | 24 | 86 |
| 2016 | 45 | 78 |
| 2017 | 53 | 76 |
| 2018 | 75 | 118 |
| 2019 | 90 | 160 |
| 2020 | 104 | 140 |
| 2021 | 106 | 135 |
| 2022 | 99 | 135 |
| 2023 | 82 | 86 |
| 2024 | 74 | 110 |
| 2025 | 77 | 85 |
| 2026 | 34 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60H 1/2215The heat being derived from electric heaters719
- B60H 2001/2268Constructional featuresIndexing code392
- B60H 1/2203The heat being derived from burners266
- B60H 2001/2228Controlling the operation of heatersIndexing code220
- B60H 2001/2246Obtaining information from a variableIndexing code142
- B60H 2001/2259Output of a control signalIndexing code87
Recent patents
- Complex motor and heater driving circuit, and control system therefor6 Oct 2026US 12,752,600 B2Hanon Systems
- Bus heating system and method of controlling the same29 Sep 2026US 12,746,800 B2Hyundai Motor Company
- Vehicle thermal management system8 Sep 2026US 12,728,693 B2Kabushiki Kaisha Toyota Jidoshokki
- Vehicle air conditioning control system1 Sep 2026US 12,722,452 B2Subaru Corporation
- Controlling thermal energy from vehicle regenerative braking25 Aug 2026US 12,715,302 B2Jaguar Land Rover Limited
- Heating apparatus8 Oct 2026US 2026/0307460 A1Aisan Kogyo Kabushiki Kaisha
- Heating apparatus8 Oct 2026US 2026/0307461 A1Aisan Kogyo Kabushiki Kaisha
- Heating system for heating the passenger compartment of a vehicle, in particular of a motor vehicle8 Oct 2026US 2026/0307462 A1I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Electric vehicle compressor waste heat applications8 Oct 2026US 2026/0307463 A1Tesla, Inc.
- Vehicle thermal management system8 Oct 2026US 2026/0307464 A1Hyundai Motor Company
Most cited
By later US patents
- Thermoelectric heat exchanger227US 6,119,463 AAmerigon Incorporated · 2000
- Battery temperature control system in electric automobile201US 5,490,572 AHonda Giken Kogyo Kabushiki Kaisha · 1996
- Thermoelectric heat exchanger196US 6,223,539 B1Amerigon Incorporated · 2001
- Thermoelectric heat exchanger177US 6,606,866 B2Amerigon Incorporated · 2003
- Control system for thermal module in vehicle141US 7,587,901 B2Amerigon Incorporated · 2009