F23D 14/16
Using permeable blocks
Official title: using permeable blocks
F23D14/16 (Using permeable blocks) appears on 144 US grants and 73 published applications in this corpus.
Search patents in F23D- Granted patents
- 144
- Published applications
- 73
- Assignees
- 84
- Inventors
- 267
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 7 |
| 2005 | 1 | 1 |
| 2006 | 3 | 5 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 4 |
| 2014 | 0 | 1 |
| 2015 | 3 | 5 |
| 2016 | 1 | 7 |
| 2017 | 3 | 2 |
| 2018 | 9 | 5 |
| 2019 | 1 | 5 |
| 2020 | 3 | 3 |
| 2021 | 5 | 3 |
| 2022 | 1 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Shrink tunnel for shrinking shrink films onto packages, such as boxes, bottles, cans, or similar containers, or packaging units, and a method of operating a shrink tunnel to shrink wrap packages or packaging units16 Apr 2024US 11,958,646 B2KHS GmbH
- Low Temperature Homogeneous Charge Continuous Oxidation Burner Heat Source29 Jan 2026US 2026/0029123 A1
- Hydrogen combustion burner19 Jun 2025US 2025/0198615 A1National University Corporation Tokai National Higher Education and Research System
- Patio Heater with Misting Capability5 Jun 2025US 2025/0180230 A1Solaronics, Inc.
- Energy-saving assembly for indirect heating systems29 May 2025US 2025/0172290 A1Industrial Technology Research Institute
- Personal portable heater15 May 2025US 2025/0155129 A1Pinnacle Climate Technologies, Inc.
Most cited
By later US patents
- Non-catalytic porous-phase combustor120US 4,643,667 AInstitute of Gas Technology · 1987
- Uniform-burning matrix burner81US 6,183,241 B2Midwest Research Institute · 2001
- Catalytic reaction apparatus70US 4,692,306 AKinetics Technology International Corporation · 1987
- Radiant burner63US 5,409,375 ASelee Corporation · 1995
- Advanced radiant gas burner and method utilizing flame support rod structure49US 5,641,282 AGas Research Institute · 1997