B60H 1/00642
Control systems or circuits
Official title: {Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices (B60H1/3201 - B60H1/3208, B60H1/3225 take precedence)}
B60H1/00642 (Control systems or circuits) appears on 6,128 US grants and 7,244 published applications in this corpus.
Search patents in B60H- Granted patents
- 6,128
- Published applications
- 7,244
- Assignees
- 1,221
- Inventors
- 11,654
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 1 | 0 |
| 1979 | 12 | 0 |
| 1980 | 15 | 0 |
| 1981 | 18 | 0 |
| 1982 | 40 | 0 |
| 1983 | 32 | 0 |
| 1984 | 48 | 0 |
| 1985 | 37 | 0 |
| 1986 | 27 | 0 |
| 1987 | 41 | 0 |
| 1988 | 33 | 0 |
| 1989 | 45 | 0 |
| 1990 | 54 | 0 |
| 1991 | 46 | 0 |
| 1992 | 53 | 0 |
| 1993 | 61 | 0 |
| 1994 | 62 | 0 |
| 1995 | 34 | 0 |
| 1996 | 56 | 0 |
| 1997 | 60 | 0 |
| 1998 | 75 | 0 |
| 1999 | 104 | 0 |
| 2000 | 81 | 0 |
| 2001 | 86 | 36 |
| 2002 | 98 | 93 |
| 2003 | 99 | 116 |
| 2004 | 117 | 170 |
| 2005 | 98 | 160 |
| 2006 | 87 | 129 |
| 2007 | 82 | 135 |
| 2008 | 69 | 126 |
| 2009 | 57 | 146 |
| 2010 | 66 | 127 |
| 2011 | 65 | 123 |
| 2012 | 60 | 134 |
| 2013 | 74 | 162 |
| 2014 | 76 | 252 |
| 2015 | 129 | 252 |
| 2016 | 184 | 358 |
| 2017 | 255 | 369 |
| 2018 | 268 | 425 |
| 2019 | 365 | 508 |
| 2020 | 403 | 542 |
| 2021 | 341 | 492 |
| 2022 | 430 | 501 |
| 2023 | 422 | 501 |
| 2024 | 385 | 535 |
| 2025 | 457 | 446 |
| 2026 | 303 | 406 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60H 1/00814Control systems or circuits characterised by their output, for controlling particular components3,569
- B60H 1/00735Control systems or circuits characterised by their input, i.e. by the detection2,458
- B60H 1/00664Construction or arrangement of damper doors649
- B60H 1/0065Control members422
- B60H 1/00985Control systems or circuits characterised by display or indicating devices360
- B60H 1/00978Control systems or circuits characterised by failure of detection or safety means328
- B60H 1/0073Control systems or circuits characterised by particular algorithms or computational models278
- B60H 1/00964Control systems or circuits characterised by including features for automatic and non-automatic140
Recent patents
- Vehicle seat air-conditioning device6 Oct 2026US 12,752,589 B2Panasonic Automotive Systems Co., Ltd.
- Defrosting method and defrosting apparatus for vehicle6 Oct 2026US 12,752,592 B2Hyundai Motor Company
- Steering device6 Oct 2026US 12,752,593 B2Toyo Denso Kabushiki Kaisha
- Heating ventilation and air conditioning unit6 Oct 2026US 12,752,594 B2Valeo Electrification
- Thermal management system6 Oct 2026US 12,752,595 B2Toyota Jidosha Kabushiki Kaisha
- Apparatus and method for predicting an air conditioning usage scenario using an artificial intelligence-based model8 Oct 2026US 2026/0307454 A1Hyundai Motor Company
- Air-conditioning control device, air-conditioning control method, and program8 Oct 2026US 2026/0307455 A1Sony Group Corporation
- Control system for controlling a thermal management system of a vehicle8 Oct 2026US 2026/0307456 A1
- Performance enhancement of hvac system thermally conditioned by multiple branch cooling subsystem8 Oct 2026US 2026/0307457 A1GM Global Technology Operations LLC
- Air conditioning system for mobility8 Oct 2026US 2026/0307458 A1Hyundai Motor Company
Most cited
By later US patents
- Operation unit for vehicle air conditioner and vehicle air-conditioning control apparatus using the same1,018US 8,555,660 B2Denso Corporation · 2013
- Rain sensor with fog discrimination864US 6,353,392 B1Donnelly Corporation · 2002
- Controller interface with multiple day programming569US 7,114,554 B2Honeywell International Inc. · 2006
- Combined headlamp and climate control sensor having a light diffuser and a light modulator503US 5,416,318 A1995
- Optical sensor device431US 5,844,682 AOMRON Corporation · 1998