F23N 3/047
Using mechanical means
Official title: {using mechanical means}
F23N3/047 (Using mechanical means) appears on 38 US grants and 7 published applications in this corpus.
Search patents in F23N- Granted patents
- 38
- Published applications
- 7
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 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 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for controlling an air inlet valve for a solid fuel burner2 Sep 2025US 12,405,008 B2Otter Controls Limited
- Combustion device capable of measuring gas use amount, and method for measuring gas use amount23 Mar 2021US 10,955,137 B2Kyungdong Navien Co., Ltd.
- Stove9 Jun 2020US 10,677,495 B2Nibe AB
- Combustion bypass passive valve system for a gas turbine2 Jul 2019US 10,337,739 B2General Electric Company
- Bi-metallic control device28 Mar 2000US 6,041,770 A
- Apparatus for Controlling an Air Inlet Valve for a Solid Fuel Burner24 Nov 2022US 2022/0373184 A1Otter Controls Limited
- Torch with integral flashback arrestor and thermal shut-off device24 Oct 2019US 2019/0323709 A1
- Combustion device capable of measuring gas use amount, and method for measuring gas use amount24 Jan 2019US 2019/0024890 A1Kyhungdong Navien Co., Ltd.
- Combustion bypass passive valve system for a gas turbine22 Feb 2018US 2018/0051882 A1General Electric Company
- Stove21 Dec 2017US 2017/0363325 A1Nibe AB
Most cited
By later US patents
- Furnace control using induced draft blower, exhaust gas flow rate sensing and density compensation55US 4,340,355 AHoneywell Inc. · 1982
- Vent control arrangement for combustion apparatus53US 4,284,235 A1981
- Bi-metallic vane vent damper23US 4,441,653 AParagon Resources, Inc. · 1984
- Thermal damper assembly having position controls18US 4,236,668 A1980
- Damper construction for a gas fired combustion apparatus18US 4,289,271 ABarth, Inc. · 1981