F23D 2203/104
Grids
Official title: Grids, e.g. honeycomb grids
F23D2203/104 (Grids) appears on 31 US grants and 37 published applications in this corpus.
Search patents in F23D- Granted patents
- 31
- Published applications
- 37
- Assignees
- 23
- Inventors
- 69
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 8 |
| 2016 | 3 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 9 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 4 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Infrared radiation emitter28 Apr 2026US 12,613,031 B2
- Burner and applications thereof18 Nov 2025US 12,474,047 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Burner and burner system with flange mount9 Apr 2024US 11,953,199 B2Clearsign Technologies Corporation
- Burner system with discrete transverse flame stabilizers6 Sep 2022US 11,435,143 B2Clearsign Technologies Corporation
- Plug and play burner26 Apr 2022US 11,313,553 B2Clearsign Technologies Corporation
- Fast-heating gas space heater10 Sep 2026US 2026/0266458 A1Junsky Appliances Limited
- Infrared radiation emitter4 Jan 2024US 2024/0003537 A1Solaronics, Inc.
- Burner and applications thereof2 Nov 2023US 2023/0349549 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Burner and burner system with flange mount22 Sep 2022US 2022/0299203 A1Clearsign Technologies Corporation
- Pilot stabilized burner30 Jun 2022US 2022/0205633 A1Clearsign Combustion Corporation
Most cited
By later US patents
- Support structure for a catalyst in a combustion reaction chamber73US 6,116,014 ACatalytica, Inc. · 2000
- Emission reduction53US 5,441,402 AGas Research Institute · 1995
- Burner with a perforated flame holder and pre-heat apparatus52US 9,377,190 B2Clearsign Combustion Corporation · 2016
- Method for flame location transition from a start-up location to a perforated flame holder49US 9,388,981 B2Clearsign Combustion Corporation · 2016
- Premix single stage low NOx burner41US 5,667,374 AProcess Combustion Corporation · 1997