F24D 17/0052
Recuperated waste heat and conventional heating means
Official title: {recuperated waste heat and conventional heating means}
F24D17/0052 (Recuperated waste heat and conventional heating means) appears on 28 US grants and 38 published applications in this corpus.
Search patents in F24D- Granted patents
- 28
- Published applications
- 38
- Assignees
- 33
- Inventors
- 90
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 2 | 3 |
| 2018 | 1 | 5 |
| 2019 | 0 | 1 |
| 2020 | 4 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 3 | 5 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric boiler device based on utilization of residual energy of elevator, and control method19 May 2026US 12,631,346 B2Zhejiang University of Technology
- Hot water returning system26 Nov 2024US 12,152,789 B2Kyungdong Navien Co., Ltd.
- Methods and systems and apparatus to support reduced energy and water usage15 Oct 2024US 12,117,205 B2Octopus Energy Heating Limited
- Energy recovery system for heated water19 Mar 2024US 11,930,979 B2
- Energy recovery system for heated water23 Aug 2022US 11,419,474 B2
- Hot water station18 Jun 2026US 2026/0168680 A1Envola GmbH
- A drain system and a shower or shower cabin4 Dec 2025US 2025/0369703 A1Enduce AB
- Cogeneration system12 Dec 2024US 2024/0413358 A1KYOCERA Corporation
- Electric boiler device based on utilization of residual energy of elevator, and control method3 Oct 2024US 2024/0328636 A1Zhejiang University of Technology
- System and method for producing domestic hot water4 Apr 2024US 2024/0110708 A1Daikin Europe N.V.
Most cited
By later US patents
- Method of and apparatus for recovery of waste energy33US 4,529,032 AMolitor Industries, Inc. · 1985
- Heat transfer apparatus29US 4,136,731 A1979
- Method and apparatus for heat recovery26US 3,946,802 A1976
- Method of and unit for recovery of waste energy21US 4,531,572 A1985
- Equal volume, contraflow heat exchanger21US 4,619,311 A1986