F24F 2013/146
With springs
Official title: {with springs}
F24F2013/146 (With springs) appears on 104 US grants and 62 published applications in this corpus.
Search patents in F24F- Granted patents
- 104
- Published applications
- 62
- Assignees
- 60
- Inventors
- 179
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 5 |
| 2005 | 2 | 4 |
| 2006 | 4 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 0 | 4 |
| 2019 | 2 | 3 |
| 2020 | 11 | 2 |
| 2021 | 1 | 7 |
| 2022 | 3 | 4 |
| 2023 | 7 | 3 |
| 2024 | 4 | 10 |
| 2025 | 12 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Damper for HVAC system18 Nov 2025US 12,474,081 B2Air Distribution Technologies IP, LLC
- Indoor unit of an air conditioner29 Jul 2025US 12,372,253 B2LG Electronics Inc.
- Device for dehumidifying a closed casing22 Jul 2025US 12,366,342 B2Aml Systems
- Damper door for an air conditioning appliance1 Jul 2025US 12,345,439 B2Haier US Appliance Solutions, Inc.
- Indoor unit of an air conditioner17 Jun 2025US 12,331,939 B2LG Electronics Inc.
- Air Register Assembly For Restricting Airflow During Thermal Event28 May 2026US 2026/0146763 A1Remik Innovations LLC
- Indoor unit of an air conditioner15 Jan 2026US 2026/0016172 A1LG Electronics Inc.
- Indoor unit of an air conditioner15 Jan 2026US 2026/0016173 A1LG Electronics Inc.
- Device for dehumidifying a closed casing27 Mar 2025US 2025/0102130 A1Aml Systems
- Actuator with modular fail-safe assembly20 Feb 2025US 2025/0060126 A1
Most cited
By later US patents
- Residential heating and air conditioning barometric bypass damper46US 5,249,596 ACarrier Corporation · 1993
- Automatically controlling the interaction of a medium with an external environment38US 7,036,800 B22006
- Multi-use damper36US 4,628,954 ARachels Industries, Inc. · 1986
- Hooded exhaust vent36US 5,046,408 A1991
- Normally open reverse flow flapper valve31US 6,851,255 B2Pratt & Whitney Canada Corp. · 2005