F28F 21/061
For domestic or space-heating systems
Official title: {for domestic or space-heating systems}
F28F21/061 (For domestic or space-heating systems) appears on 4 US grants and 7 published applications in this corpus.
Search patents in F28F- Granted patents
- 4
- Published applications
- 7
- Assignees
- 5
- Inventors
- 16
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Enthalpy exchanger20 Feb 2024US 11,906,199 B2Core Energy Recovery Solultions Inc.
- Enthalpy exchanger14 Feb 2023US 11,578,881 B2CORE Energy Recovery Solutions Inc.
- Enthalpy exchanger24 Nov 2020US 10,845,068 B2CORE Energy Recovery Solutions Inc.
- Heat exchanger element28 Oct 1980US 4,230,175 AHoechst Aktiengesellschaft
- Enthalpy exchanger3 Aug 2023US 2023/0243526 A1Core Energy Recovery Solultions Inc.
- Enthalpy exchanger15 Apr 2021US 2021/0108807 A1CORE Energy Recovery Solutions Inc.
- Enthalpy exchanger20 Dec 2018US 2018/0363929 A1CORE Energy Recovery Solutions Inc.
- Baseboard Heater Radiator Cover22 Mar 2018US 2018/0080725 A1Creative Hydronics International
- Bank For Heating Element And A Heating Element Comprising Such A Bank23 Mar 2017US 2017/0082369 A1Zehnder Group International AG
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