B60H 1/00021
Air flow details of hvac devices
Official title: {Air flow details of HVAC devices}
B60H1/00021 (Air flow details of hvac devices) appears on 1,295 US grants and 1,583 published applications in this corpus.
Search patents in B60H- Granted patents
- 1,295
- Published applications
- 1,583
- Assignees
- 340
- Inventors
- 2,785
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 14 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 18 | 0 |
| 1999 | 25 | 0 |
| 2000 | 27 | 0 |
| 2001 | 26 | 14 |
| 2002 | 34 | 23 |
| 2003 | 28 | 37 |
| 2004 | 22 | 45 |
| 2005 | 29 | 44 |
| 2006 | 22 | 40 |
| 2007 | 13 | 28 |
| 2008 | 15 | 22 |
| 2009 | 12 | 26 |
| 2010 | 15 | 32 |
| 2011 | 13 | 38 |
| 2012 | 12 | 28 |
| 2013 | 26 | 39 |
| 2014 | 14 | 55 |
| 2015 | 29 | 60 |
| 2016 | 33 | 83 |
| 2017 | 57 | 92 |
| 2018 | 73 | 107 |
| 2019 | 78 | 120 |
| 2020 | 104 | 157 |
| 2021 | 76 | 96 |
| 2022 | 99 | 86 |
| 2023 | 88 | 93 |
| 2024 | 67 | 87 |
| 2025 | 75 | 77 |
| 2026 | 38 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60H 2001/00078Assembling, manufacturing or layout detailsIndexing code596
- B60H 1/00064For sending air streams of different temperatures into the passenger compartment371
- B60H 1/00028Constructional lay-out of the devices in the vehicle348
- B60H 2001/00185Distribution of conditionned airIndexing code314
- B60H 2001/00114Heating or cooling detailsIndexing code298
- B60H 2001/0015Temperature regulationIndexing code293
- B60H 1/00035For sending an air stream of uniform temperature into the passenger compartment276
Recent patents
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- Transport refrigeration unit8 Oct 2026US 2026/0307452 A1Sunswap Ltd
- Airflow diverter box and control methods therefor1 Oct 2026US 2026/0296128 A1
- Hvac system for a vehicle1 Oct 2026US 2026/0296133 A1Hanon Systems
- Floor carpet and vehicle including the same1 Oct 2026US 2026/0296289 A1Dong Jin Industrial Co., Ltd.
- Thermal management system for a vehicle utilizing a heating, ventillation, and air conditioning system with an integrated cooling module24 Sep 2026US 2026/0285120 A1Volvo Car Corporation
Most cited
By later US patents
- Antibiotic zeolite-containing film101US 5,556,699 AShinanen New Ceramic Corporation · 1996
- Integral center-mounted airhandling system with integral instrument panel air-conditioning duct and structural beam78US 5,673,964 AFord Motor Company · 1997
- Vehicle air conditioner having air suction port for each seat70US 6,491,578 B2Denso Corporation · 2002
- Automotive air conditioner having condenser and evaporator provided within air duct69US 5,299,431 ANippondenso Co., Ltd. · 1994
- Vehicle seat air conditioning system67US 6,929,322 B2Denso Corporation · 2005