F27D 17/13
Using regenerative heat exchangers
Official title: using regenerative heat exchangers
F27D17/13 (Using regenerative heat exchangers) appears on 50 US grants and 50 published applications in this corpus.
Search patents in F27D- Granted patents
- 50
- Published applications
- 50
- Assignees
- 36
- Inventors
- 123
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 3 |
| 2005 | 3 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 4 | 6 |
| 2023 | 3 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Porous body combustor/regenerator45US 4,850,862 AConsolidated Natural Gas Service Company, Inc. · 1989
- Heat regenerative oxidizer and method of operation45US 6,261,093 B1Monsanto Company · 2001
- Pollution abatement reactor system having nonprismatic structured media35US 6,322,356 B1Durr Environmental, Inc. · 2001
- Fuel reformer combustion process18US 6,210,157 B1Praxair Technology, Inc. · 2001
- Switching valve14US 6,261,092 B1Megtec Systems, Inc. · 2001