F02C 7/24
Heat or noise insulation
Official title: Heat or noise insulation (air intakes having provisions for noise suppression F02C7/045; turbine exhaust heads, chambers, or the like F01D25/30; silencing nozzles of jet-propulsion plants F02K1/00)
F02C7/24 (Heat or noise insulation) appears on 923 US grants and 1,067 published applications in this corpus.
Search patents in F02C- Granted patents
- 923
- Published applications
- 1,067
- Assignees
- 205
- Inventors
- 2,073
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 5 | 4 |
| 2004 | 3 | 3 |
| 2005 | 3 | 10 |
| 2006 | 3 | 12 |
| 2007 | 4 | 10 |
| 2008 | 7 | 13 |
| 2009 | 10 | 15 |
| 2010 | 14 | 23 |
| 2011 | 12 | 20 |
| 2012 | 9 | 24 |
| 2013 | 14 | 40 |
| 2014 | 30 | 54 |
| 2015 | 26 | 69 |
| 2016 | 42 | 86 |
| 2017 | 48 | 77 |
| 2018 | 56 | 69 |
| 2019 | 81 | 66 |
| 2020 | 86 | 95 |
| 2021 | 62 | 71 |
| 2022 | 84 | 70 |
| 2023 | 77 | 65 |
| 2024 | 82 | 59 |
| 2025 | 52 | 68 |
| 2026 | 44 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated surface treatment for drag and noise reduction29 Sep 2026US 12,747,698 B2Rtx Corporation
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes29 Sep 2026US 12,747,699 B2General Electric Company
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes29 Sep 2026US 12,747,700 B2General Electric Company
- Turbine exhaust duct having shielding conduits29 Sep 2026US 12,747,701 B1Pratt & Whitney Canada Corp.
- Aircraft propulsion system with shielded electric machine22 Sep 2026US 12,742,420 B2Rtx Corporation
- Additively manufactured liner on a turbofan or geared turbofan fan stage8 Oct 2026US 2026/0309085 A1Rtx Corporation
- Device for attaching a heat shield to an aircraft panel and associated method17 Sep 2026US 2026/0274440 A1Safran Nacelles
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes17 Sep 2026US 2026/0275938 A1General Electric Company
- Aircraft propulsion system with shielded electric machine3 Sep 2026US 2026/0258755 A1Rtx Corporation
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes3 Sep 2026US 2026/0258770 A1General Electric Company
Most cited
By later US patents
- Turbine engine exhaust duct system and methods for noise dampening and attenuation166US 10,961,914 B1BJ Energy Solutions, LLC Houston · 2021
- Fracturing device144US 11,143,006 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Multi-layer acoustic linings113US 4,298,090 AROLLS-ROYCE plc · 1981
- Soundproof cabin of turbine engine97US 11,441,483 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2022
- Fracturing device, firefighting method thereof and computer readable storage medium86US 11,506,039 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2022