B60H 2001/3478
Acting on additional damper doors
Official title: {acting on additional damper doors}
B60H2001/3478 (Acting on additional damper doors) appears on 146 US grants and 185 published applications in this corpus.
Search patents in B60H- Granted patents
- 146
- Published applications
- 185
- Assignees
- 86
- Inventors
- 365
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 4 |
| 2004 | 4 | 4 |
| 2005 | 2 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 4 |
| 2015 | 0 | 4 |
| 2016 | 4 | 6 |
| 2017 | 5 | 12 |
| 2018 | 8 | 18 |
| 2019 | 11 | 21 |
| 2020 | 13 | 18 |
| 2021 | 9 | 9 |
| 2022 | 21 | 19 |
| 2023 | 12 | 9 |
| 2024 | 9 | 11 |
| 2025 | 7 | 13 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Register22 Sep 2026US 12,741,511 B2Howa Plastics Co., Ltd.
- Coaxial knob control for vehicle vent21 Apr 2026US 12,605,989 B2GM Global Technology Operations LLC
- Adjustable air vent and method of controlling the same14 Apr 2026US 12,600,202 B2Hyundai Mobis Co., Ltd.
- Air vent assembly and control system17 Mar 2026US 12,576,696 B1
- Smart air gasper in the passenger service unit17 Mar 2026US 12,576,972 B2B/E Aerospace, Inc.
- Vehicle vents with oscillating louvers13 Aug 2026US 2026/0233583 A1
- Air vent assembly having oscillating airflow13 Aug 2026US 2026/0233584 A1GM Global Technology Operations LLC
- Air Vent for a Vehicle16 Jul 2026US 2026/0200296 A1Illinois Tool Works Inc.
- Vehicle air vent25 Jun 2026US 2026/0175649 A1Hyundai Mobis Co., Ltd.
- Air vent18 Jun 2026US 2026/0166967 A1KTX Co., Ltd.
Most cited
By later US patents
- Ceiling grille for air conditioner of recreational vehicle77US 6,149,513 ACarrier Corporation · 2000
- Airway vent69US 5,971,847 A1999
- Adjustable air outlet nozzle for automobile heating and venting systems64US 4,006,673 AMax Kammerer GmbH · 1977
- Air outlet louver assembly52US 5,338,252 AManchester Plastics, Inc. · 1994
- Fluid control valve unit50US 5,127,876 ABruce Industries, Inc. · 1992