F23D 11/38
Nozzles
Official title: Nozzles; Cleaning devices therefor
F23D11/38 (Nozzles) appears on 420 US grants and 416 published applications in this corpus.
Search patents in F23D- Granted patents
- 420
- Published applications
- 416
- Assignees
- 163
- Inventors
- 914
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 0 |
| 2002 | 8 | 4 |
| 2003 | 5 | 5 |
| 2004 | 3 | 11 |
| 2005 | 7 | 12 |
| 2006 | 4 | 12 |
| 2007 | 5 | 15 |
| 2008 | 6 | 11 |
| 2009 | 8 | 15 |
| 2010 | 7 | 17 |
| 2011 | 10 | 20 |
| 2012 | 8 | 19 |
| 2013 | 13 | 22 |
| 2014 | 15 | 16 |
| 2015 | 9 | 29 |
| 2016 | 16 | 31 |
| 2017 | 25 | 25 |
| 2018 | 25 | 32 |
| 2019 | 24 | 30 |
| 2020 | 32 | 17 |
| 2021 | 24 | 14 |
| 2022 | 15 | 19 |
| 2023 | 14 | 17 |
| 2024 | 19 | 10 |
| 2025 | 12 | 7 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compact low emissions burner nozzle using additive manufacturing15 Sep 2026US 12,736,218 B2Honeywell International Inc.
- Method and apparatus for regulating a flame length in a partial oxidation reactor11 Aug 2026US 12,704,258 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Engine fuel nozzle and swirler assembly including a splitter4 Aug 2026US 12,698,898 B2General Electric Company
- Fuel nozzle and swirler16 Jun 2026US 12,655,980 B2General Electric Company
- Combustion device and boiler2 Jun 2026US 12,644,597 B2IHI Corporation
- Burner assembly, gas turbine combustor, and gas turbine6 Aug 2026US 2026/0227067 A1Mitsubishi Heavy Industries, Ltd.
- Fuel nozzle for use in an industrial combustion system30 Jul 2026US 2026/0218896 A1John Zink Company
- Fuel nozzle and gas turbine engine4 Jun 2026US 2026/0153237 A1Mitsubishi Heavy Industries Aero Engines, Ltd.
- Bushing for a burner to reduce combustion byproducts and oil dripping7 May 2026US 2026/0126173 A1Cowles Operating Company
- Nozzle for feeding air and liquid fuel into a combustion chamber, and engine7 May 2026US 2026/0126174 A1Rolls-Royce Deutschland Ltd & Co KG
Most cited
By later US patents
- Spray nozzle and method of manufacturing same96US 5,435,884 AParker-Hannifin Corporation · 1995
- Methods and apparatus for injecting fluids into a turbine engine89US 7,520,134 B2General Electric Company · 2009
- Pressure atomizer nozzle70US 6,045,058 AABB Research Ltd. · 2000
- Swirl type pressure fuel atomizer67US 4,087,050 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1978
- Nozzle including a venturi tube creating external cavitation collapse for atomization67US 5,431,346 A1995