F23C 7/008
Flow control devices
Official title: {Flow control devices (F23C7/006 takes precedence)}
F23C7/008 (Flow control devices) appears on 191 US grants and 143 published applications in this corpus.
Search patents in F23C- Granted patents
- 191
- Published applications
- 143
- Assignees
- 117
- Inventors
- 487
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 4 |
| 2003 | 0 | 15 |
| 2004 | 6 | 7 |
| 2005 | 20 | 6 |
| 2006 | 3 | 4 |
| 2007 | 2 | 5 |
| 2008 | 1 | 3 |
| 2009 | 5 | 4 |
| 2010 | 2 | 8 |
| 2011 | 3 | 7 |
| 2012 | 0 | 3 |
| 2013 | 3 | 4 |
| 2014 | 5 | 4 |
| 2015 | 3 | 5 |
| 2016 | 5 | 5 |
| 2017 | 5 | 5 |
| 2018 | 3 | 8 |
| 2019 | 3 | 4 |
| 2020 | 8 | 9 |
| 2021 | 1 | 0 |
| 2022 | 5 | 8 |
| 2023 | 4 | 7 |
| 2024 | 2 | 10 |
| 2025 | 5 | 3 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cement kiln burner and method for operating same11 Aug 2026US 12,704,252 B2Taiheiyo Cement Corporation
- Monitoring and maintaining flare tip temperatures4 Aug 2026US 12,698,896 B2Saudi Arabian Oil Company
- Adjustable burner nozzle for multiple fuels5 May 2026US 12,618,555 B2Honeywell International Inc.
- Two-channel burner and method of use therefor, and multi-channel single-cone burner and method of use therefor21 Apr 2026US 12,607,347 B2Beijing Tiandi Rongchuang Technology Co., Ltd
- High turndown combustion system and method17 Mar 2026US 12,578,090 B2Camus Hydronics Limited
- Cooking appliance having a gas burner10 Sep 2026US 2026/0266456 A1Rational AG
- Burner assembly and method for operating a burner assembly13 Aug 2026US 2026/0235285 A1Messer Austria GmbH
- Manual air control device for gas burner6 Aug 2026US 2026/0227065 A1SNT Co., Ltd.
- Dual Fuel Fluid Heating Systems and Methods15 Jan 2026US 2026/0016161 A1Rheem Manufacturing Company
- Fuel injection assembly having partial direct injectors19 Jun 2025US 2025/0198620 A1GE Infrastructure Technology LLC
Most cited
By later US patents
- Process for operation of a burner with controlled axial central air mass flow87US 6,901,760 B2ALSTOM Technology Ltd · 2005
- Method of and burner for burning liquid or gaseous fuels with decreased NO.sub.x formation72US 4,575,332 ADeutsche Babcock Werke Aktiengesellschaft · 1986
- Self-regulating forced air heater64US 5,865,618 A1999
- Low emission combustion nozzle for use with a gas turbine engine59US 5,218,824 ASolar Turbines Incorporated · 1993
- Low NOX burner45US 4,347,052 AJohn Zink Company · 1982