F24D 19/1087
System using a heat pump
Official title: {system using a heat pump}
F24D19/1087 (System using a heat pump) appears on 60 US grants and 67 published applications in this corpus.
Search patents in F24D- Granted patents
- 60
- Published applications
- 67
- Assignees
- 42
- Inventors
- 165
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 5 |
| 2013 | 0 | 5 |
| 2014 | 1 | 3 |
| 2015 | 2 | 9 |
| 2016 | 5 | 7 |
| 2017 | 5 | 3 |
| 2018 | 8 | 3 |
| 2019 | 5 | 1 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 1 | 5 |
| 2023 | 2 | 3 |
| 2024 | 6 | 4 |
| 2025 | 0 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated space conditioning and water heating/cooling systems and methods thereto24 Dec 2024US 12,173,909 B2Rheem Manufacturing Company
- HVAC apparatus, method, and system10 Dec 2024US 12,163,692 B1Auburn University
- Electrical interface for heat pump26 Nov 2024US 12,152,795 B2Dandelion Energy, Inc.
- Condensate drain system for a furnace2 Jul 2024US 12,025,347 B2Tyco Fire & Security GmbH
- Heating unit with a partition5 Mar 2024US 11,920,831 B2Johnson Controls Tyco IP Holdings LLP
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298484 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298485 A1
- Thermal fluid conveyance manifold and operation thereof17 Sep 2026US 2026/0276215 A1
- Integrated Thermal Energy Storage and Heat Pump System for Enhanced Demand Response23 Apr 2026US 2026/0110444 A1Robert Bosch GmbH
- Air-conditioning apparatus for indoor environments25 Sep 2025US 2025/0297750 A1Mcz Group S.P.A.
Most cited
By later US patents
- Dual fuel heat pump controller130US 4,971,136 AElectric Power Research Institute, Inc. · 1990
- Air conditioning apparatus including a heat pump73US 4,143,707 AThe Trane Company · 1979
- Method and apparatus for controlling the operation of an indoor fan associated with an air conditioning unit70US 4,449,375 ACarrier Corporation · 1984
- Control method and apparatus for an air conditioner using a heat pump45US 4,603,556 AHitachi, Ltd. · 1986
- Supplemental heat control system with duct temperature sensor and variable setpoint32US 5,367,601 AWorld Technology Group, Inc. · 1994