B60H 1/00835
Damper doors
Official title: {Damper doors, e.g. position control (construction or arrangement of damper doors B60H1/00664; B60H1/00864 takes precedence)}
B60H1/00835 (Damper doors) appears on 1,002 US grants and 963 published applications in this corpus.
Search patents in B60H- Granted patents
- 1,002
- Published applications
- 963
- Assignees
- 299
- Inventors
- 2,157
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 1 | 0 |
| 1982 | 15 | 0 |
| 1983 | 10 | 0 |
| 1984 | 15 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 15 | 0 |
| 1988 | 13 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 20 | 0 |
| 1999 | 26 | 0 |
| 2000 | 18 | 0 |
| 2001 | 22 | 6 |
| 2002 | 29 | 22 |
| 2003 | 14 | 15 |
| 2004 | 22 | 33 |
| 2005 | 19 | 33 |
| 2006 | 19 | 25 |
| 2007 | 17 | 25 |
| 2008 | 11 | 17 |
| 2009 | 7 | 15 |
| 2010 | 16 | 25 |
| 2011 | 9 | 14 |
| 2012 | 10 | 24 |
| 2013 | 12 | 24 |
| 2014 | 6 | 34 |
| 2015 | 26 | 30 |
| 2016 | 24 | 41 |
| 2017 | 40 | 64 |
| 2018 | 39 | 72 |
| 2019 | 53 | 58 |
| 2020 | 59 | 77 |
| 2021 | 45 | 63 |
| 2022 | 60 | 42 |
| 2023 | 58 | 59 |
| 2024 | 47 | 65 |
| 2025 | 40 | 44 |
| 2026 | 30 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heating ventilation and air conditioning unit6 Oct 2026US 12,752,594 B2Valeo Electrification
- Air conditioning system for vehicle25 Aug 2026US 12,715,264 B2Hyundai Motor Company
- Vehicle cabin dehumidification at low ambient temperatures25 Aug 2026US 12,715,270 B2GM Global Technology Operations LLC
- In-vehicle temperature control system18 Aug 2026US 12,709,134 B2Toyota Jidosha Kabushiki Kaisha
- Modification of a sensor data management system to enable sensors as a service18 Aug 2026US 12,711,855 B2Senseware, Inc.
- Airflow diverter box and control methods therefor1 Oct 2026US 2026/0296128 A1
- Vehicle control device1 Oct 2026US 2026/0296135 A1Toyota Jidosha Kabushiki Kaisha
- Vehicle air conditioning system and air conditioning control device10 Sep 2026US 2026/0264472 A1Denso Corporation
- Vehicle HVAC System for Using Passenger Compartment Heat for Operation13 Aug 2026US 2026/0233575 A1Mahle International GmbH
- Vehicle HVAC System for Using Passenger Compartment Heat for Operation13 Aug 2026US 2026/0233576 A1Mahle International GmbH
Most cited
By later US patents
- Air conditioning apparatus for a vehicle147US 5,450,894 ANippondenso Co., Ltd. · 1995
- Integral center-mounted airhandling system with integral instrument panel air-conditioning duct and structural beam78US 5,673,964 AFord Motor Company · 1997
- Air conditioner system for automobiles70US 4,337,821 ANippondenso Co., Ltd. · 1982
- Automotive air-conditioner with vent and air-mixing door interlocking mechanism66US 6,138,749 ADenso Corporation · 2000
- Vehicle humidity control apparatus for preventing fogging of windows64US 4,408,660 ADiesel Kiki Co., Ltd. · 1983