F02K 1/40
Nozzles having means for dividing the jet into a plurality of partial
Official title: Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
F02K1/40 (Nozzles having means for dividing the jet into a plurality of partial) appears on 95 US grants and 88 published applications in this corpus.
Search patents in F02K- Granted patents
- 95
- Published applications
- 88
- Assignees
- 55
- Inventors
- 186
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 3 |
| 2004 | 4 | 4 |
| 2005 | 2 | 4 |
| 2006 | 1 | 3 |
| 2007 | 2 | 7 |
| 2008 | 0 | 5 |
| 2009 | 5 | 1 |
| 2010 | 4 | 7 |
| 2011 | 2 | 0 |
| 2012 | 8 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 8 |
| 2017 | 5 | 2 |
| 2018 | 3 | 3 |
| 2019 | 4 | 4 |
| 2020 | 7 | 2 |
| 2021 | 0 | 3 |
| 2022 | 5 | 2 |
| 2023 | 2 | 3 |
| 2024 | 8 | 7 |
| 2025 | 6 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bifurcated exhaust duct for hybrid aircraft powerplant26 May 2026US 12,637,226 B1Pratt & Whitney Canada Corp.
- Exhaust duct for hybrid aircraft powerplant24 Mar 2026US 12,583,609 B2Pratt & Whitney Canada Corp.
- Turbine exhaust duct with stiffeners for aircraft engines20 Jan 2026US 12,529,325 B1Pratt & Whitney Canada Corp.
- Exhaust nozzle assembly for an aircraft propulsion system28 Oct 2025US 12,454,926 B1Pratt & Whitney Canada Corp.
- Assembly for an ejection cone of an aircraft turbomachine30 Sep 2025US 12,429,015 B2Safran Nacelles
- Exhaust case for aircraft engine25 Jun 2026US 2026/0177018 A1Pratt & Whitney Canada Corp.
- Bifurcated exhaust duct for hybrid aircraft powerplant28 May 2026US 2026/0145807 A1Pratt & Whitney Canada Corp.
- Open rotor propulsion system with forward exhaust outlet(s)2 Apr 2026US 2026/0092556 A1Rtx Corporation
- Aircraft powerplant exhaust section with flow diverter2 Apr 2026US 2026/0092578 A1Pratt & Whitney Canada Corp.
- Gas turbine engine19 Mar 2026US 2026/0078701 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Sound suppressor exhaust structure175US 5,717,172 ANorthrop Grumman Corporation · 1998
- Confluent variable exhaust nozzle56US 6,751,944 B2The NORDAM Group, Inc. · 2004
- Shelf truncated chevron exhaust nozzle for reduction of exhaust noise and infrared (IR) signature53US 6,532,729 B2General Electric Company · 2003
- Duplex mixer exhaust nozzle44US 6,786,038 B2The NORDAM Group, Inc. · 2004
- Bifurcated turbofan nozzle44US 6,820,410 B2The NORDAM Group, Inc. · 2004