F23B 1/34
Annular
Official title: {annular}
F23B1/34 (Annular) appears on 6 US grants and 5 published applications in this corpus.
Search patents in F23B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 2
- Inventors
- 9
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion system comprising an annular shroud burner15 Jul 2025US 12,359,807 B2Jupiter Oxygen Corporation
- Combustion system comprising an annular shroud burner10 Oct 2023US 11,781,751 B2Jupiter Oxygen Corporation
- Combustion system comprising an annular shroud burner24 Nov 2020US 10,845,052 B1Jupiter Oxygen Corporation
- Wood-burning boiler21 Oct 2008US 7,438,024 B2
- Heating equipment6 Feb 2001US 6,183,247 B2SL Varmeekonomi
- Combustion system comprising an annular shroud burner5 Feb 2026US 2026/0036299 A1Jupiter Oxygen Corporation
- Combustion system comprising an annular shroud burner13 Oct 2022US 2022/0325888 A1Jupiter Oxygen Corporation
- Combustion system comprising an annular shroud burner24 Jun 2021US 2021/0190315 A1Jupiter Oxygen Corporation
- Solid-fuel combustion device having a fuel reservoir7 Dec 2017US 2017/0347836 A1
- Wood-burning boiler26 Apr 2007US 2007/0089733 A1
Most cited
By later US patents
- Wood-burning boiler8US 7,438,024 B22008
- Heat exchange and fuel feed apparatus for vertical furnace6US 5,273,209 A1993
- Combustion system comprising an annular shroud burner3US 10,845,052 B1Jupiter Oxygen Corporation · 2020
- Combustion system comprising an annular shroud burner2US 11,781,751 B2Jupiter Oxygen Corporation · 2023