F23N 2235/24
Valve details
F23N2235/24 (Valve details) appears on 374 US grants and 338 published applications in this corpus.
Search patents in F23N- Granted patents
- 374
- Published applications
- 338
- Assignees
- 175
- Inventors
- 586
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 5 | 8 |
| 2004 | 5 | 7 |
| 2005 | 6 | 8 |
| 2006 | 5 | 9 |
| 2007 | 7 | 8 |
| 2008 | 2 | 11 |
| 2009 | 3 | 9 |
| 2010 | 6 | 14 |
| 2011 | 6 | 13 |
| 2012 | 12 | 23 |
| 2013 | 6 | 22 |
| 2014 | 17 | 17 |
| 2015 | 18 | 22 |
| 2016 | 16 | 25 |
| 2017 | 20 | 12 |
| 2018 | 18 | 12 |
| 2019 | 10 | 13 |
| 2020 | 15 | 18 |
| 2021 | 12 | 19 |
| 2022 | 19 | 23 |
| 2023 | 15 | 15 |
| 2024 | 19 | 10 |
| 2025 | 7 | 9 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bi-stable valve25 Aug 2026US 12,716,507 B2Honeywell International Inc.
- Flow modulator for a fluid11 Aug 2026US 12,704,187 B2Pittway Sarl
- Gas valve and gas stove16 Jun 2026US 12,655,985 B2BSH Hausgeräte GmbH
- Gas furnace and air conditioner having the same5 May 2026US 12,618,559 B2LG Electronics Inc.
- Gas heater17 Feb 2026US 12,553,620 B2Shinerich Industrial Ltd.
- Venturi for boiler2 Jul 2026US 2026/0185704 A1Kyungdong Navien Co., Ltd.
- Stove with automated flame control function23 Apr 2026US 2026/0110436 A1Shin Fang Global CO., LTD.
- Cylinder Assembly2 Apr 2026US 2026/0092652 A1Matthews International Corporation
- Systems and methods for measuring throttle position19 Mar 2026US 2026/0078838 A1Pittway Sarl
- Systems and Methods for Measuring Throttle Position19 Mar 2026US 2026/0078839 A1Pittway Sarl
Most cited
By later US patents
- Burner ignition system132US 4,717,333 AAdvanced Mechanical Technology, Inc. · 1988
- Apparatus for modulating the flow of air and fuel to a gas burner90US 5,520,533 AHoneywell Inc. · 1996
- Method for providing variable output gas-fired furnace with a constant temperature rise and efficiency88US 4,688,547 ACarrier Corporation · 1987
- Thermally amplified and stimulated emission radiator fiber matrix burner66US 5,356,487 AThe Quantum Group, Inc. · 1994
- Furnace control using induced draft blower and exhaust stack flow rate sensing65US 4,251,025 AHoneywell Inc. · 1981