F23D 2900/11101
Pulverising gas flow impinging on fuel from pre-filming surface
Official title: Pulverising gas flow impinging on fuel from pre-filming surface, e.g. lip atomizers
F23D2900/11101 (Pulverising gas flow impinging on fuel from pre-filming surface) appears on 203 US grants and 173 published applications in this corpus.
Search patents in F23D- Granted patents
- 203
- Published applications
- 173
- Assignees
- 69
- Inventors
- 353
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 0 |
| 2002 | 1 | 5 |
| 2003 | 5 | 4 |
| 2004 | 3 | 5 |
| 2005 | 2 | 10 |
| 2006 | 4 | 2 |
| 2007 | 4 | 6 |
| 2008 | 3 | 2 |
| 2009 | 2 | 7 |
| 2010 | 5 | 15 |
| 2011 | 4 | 9 |
| 2012 | 9 | 8 |
| 2013 | 7 | 7 |
| 2014 | 8 | 14 |
| 2015 | 8 | 4 |
| 2016 | 9 | 18 |
| 2017 | 8 | 13 |
| 2018 | 10 | 12 |
| 2019 | 18 | 7 |
| 2020 | 5 | 5 |
| 2021 | 9 | 6 |
| 2022 | 5 | 2 |
| 2023 | 5 | 4 |
| 2024 | 4 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Swirler with recessed fuel filmer and air assist fuel nozzle11 Aug 2026US 12,704,260 B2Rtx Corporation
- Nozzle body for fuel injector10 Feb 2026US 12,546,474 B2ROLLS-ROYCE plc
- Gas turbine engine fuel nozzle having a secondary fuel passage through a swirler9 Dec 2025US 12,492,819 B2General Electric Company
- Unitary case integrated flow scoops28 Oct 2025US 12,455,078 B1Rtx Corporation
- Material deposition for fluid injectors3 Dec 2024US 12,157,178 B2Collins Engine Nozzles, Inc.
- Fuel nozzle and swirler12 Mar 2026US 2026/0071755 A1General Electric Company
- Aircraft engine combustor5 Feb 2026US 2026/0036300 A1Mitsubishi Heavy Industries Aero Engines, Ltd.
- Nozzle body for fuel injector16 Oct 2025US 2025/0321004 A1ROLLS-ROYCE plc
- Flat spray fuel injectors30 Jan 2025US 2025/0035306 A1Collins Engine Nozzles, Inc.
- Fuel nozzle and swirler5 Dec 2024US 2024/0401809 A1General Electric Company
Most cited
By later US patents
- Air-atomizing fuel nozzle165US 3,980,233 AParker-Hannifin Corporation · 1976
- Dual fuel mixer for gas turbine combustor141US 5,351,477 AGeneral Electric Company · 1994
- Staged prevaporizer-premixer115US 6,174,160 B1University of Washington · 2001
- Gas turbine fuel injector115US 6,289,677 B1Pratt & Whitney Canada Corp. · 2001
- Radial inlet swirler with twisted vanes for fuel injector103US 5,966,937 AUnited Technologies Corporation · 1999