F23D 11/36
Details
F23D11/36 (Details) appears on 1,053 US grants and 837 published applications in this corpus.
Search patents in F23D- Granted patents
- 1,053
- Published applications
- 837
- Assignees
- 418
- Inventors
- 1,979
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 13 | 0 |
| 1978 | 14 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 15 | 0 |
| 1982 | 16 | 0 |
| 1983 | 19 | 0 |
| 1984 | 18 | 0 |
| 1985 | 18 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 17 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 23 | 0 |
| 1993 | 15 | 0 |
| 1994 | 15 | 0 |
| 1995 | 22 | 0 |
| 1996 | 25 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 28 | 0 |
| 2000 | 30 | 0 |
| 2001 | 20 | 9 |
| 2002 | 21 | 17 |
| 2003 | 20 | 19 |
| 2004 | 19 | 31 |
| 2005 | 18 | 28 |
| 2006 | 12 | 24 |
| 2007 | 7 | 32 |
| 2008 | 11 | 28 |
| 2009 | 11 | 43 |
| 2010 | 16 | 42 |
| 2011 | 27 | 38 |
| 2012 | 26 | 39 |
| 2013 | 27 | 41 |
| 2014 | 25 | 44 |
| 2015 | 30 | 51 |
| 2016 | 44 | 52 |
| 2017 | 39 | 44 |
| 2018 | 43 | 47 |
| 2019 | 42 | 54 |
| 2020 | 49 | 33 |
| 2021 | 42 | 24 |
| 2022 | 30 | 35 |
| 2023 | 25 | 22 |
| 2024 | 29 | 16 |
| 2025 | 17 | 15 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cooling shield for a liquor injection pipe of a liquor gun, liquor gun system comprising the cooling shield, and method for cooling a liquor injection pipe in a liquor gun system15 Sep 2026US 12,736,217 B2Valmet Corporation
- 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
- Burner apparatus20 Aug 2026US 2026/0243419 A1Honeywell International Inc.
- 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
Most cited
By later US patents
- Downhole steam generator with improved preheating, combustion and protection features205US 4,385,661 AThe United States of America as represented by the United States Department of Energy · 1983
- Reheat combustion system for a gas turbine121US 6,981,358 B2ALSTOM Technology Ltd · 2006
- Staged prevaporizer-premixer115US 6,174,160 B1University of Washington · 2001
- Injector for turbine engines97US 5,657,631 AB.B.A. Research & Development, Inc. · 1997
- Spray nozzle and method of manufacturing same96US 5,435,884 AParker-Hannifin Corporation · 1995