B60H 1/00671
Damper doors moved by rotation
Official title: {Damper doors moved by rotation; Grilles}
B60H1/00671 (Damper doors moved by rotation) appears on 423 US grants and 461 published applications in this corpus.
Search patents in B60H- Granted patents
- 423
- Published applications
- 461
- Assignees
- 153
- Inventors
- 966
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 5 |
| 2002 | 13 | 15 |
| 2003 | 11 | 9 |
| 2004 | 10 | 15 |
| 2005 | 6 | 15 |
| 2006 | 6 | 14 |
| 2007 | 4 | 20 |
| 2008 | 6 | 16 |
| 2009 | 12 | 14 |
| 2010 | 9 | 9 |
| 2011 | 8 | 7 |
| 2012 | 4 | 7 |
| 2013 | 7 | 7 |
| 2014 | 3 | 11 |
| 2015 | 11 | 11 |
| 2016 | 6 | 30 |
| 2017 | 12 | 30 |
| 2018 | 17 | 35 |
| 2019 | 32 | 31 |
| 2020 | 31 | 39 |
| 2021 | 18 | 24 |
| 2022 | 30 | 25 |
| 2023 | 27 | 21 |
| 2024 | 14 | 21 |
| 2025 | 19 | 16 |
| 2026 | 14 | 14 |
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
- Heating, ventilation and/or air-conditioning device for a motor vehicle29 Sep 2026US 12,746,798 B2Valeo Systemes Thermiques
- Vehicle air conditioning duct device7 Jul 2026US 12,673,529 B2Toyoda Gosei Co., Ltd.
- Extruded flap for a device for shutting off an air inlet of a motor vehicle front end23 Jun 2026US 12,661,976 B2Valeo Systemes Thermiques
- Heating, ventilation, air-conditioning (HVAC) unit for a vehicle26 May 2026US 12,636,933 B2Valeo Systemes Thermiques
- Air vent assembly having oscillating airflow13 Aug 2026US 2026/0233584 A1GM Global Technology Operations LLC
- Air distribution of a heating, ventilation, and air conditioning unit18 Jun 2026US 2026/0166941 A1DENSO International America, Inc.
- Vehicular air conditioner18 Jun 2026US 2026/0166950 A1
- Vehicle air conditioner11 Jun 2026US 2026/0158853 A1Hyundai Motor Company
- Vehicle air conditioning system14 May 2026US 2026/0131622 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Air hood136US 10,077,933 B2Colmac Coil Manufacturing, Inc. · 2018
- Heating or air conditioning system for a motor vehicle60US 5,042,566 ASiemens Aktiengesellschaft · 1991
- Apparatus to control the air flow in an automobile57US 4,259,896 AIkeda Bussan Co., Ltd. · 1981
- Blower unit and air conditioning unit including the same and method of controlling the same54US 7,029,391 B2Denso Corporation · 2006
- Heating, ventilation, and air conditioning unit for automotive vehicles43US 6,048,263 ACalsonic Corporation · 2000