F02K 9/346
Liners
Official title: {Liners, e.g. inhibitors}
F02K9/346 (Liners) appears on 149 US grants and 69 published applications in this corpus.
Search patents in F02K- Granted patents
- 149
- Published applications
- 69
- Assignees
- 54
- Inventors
- 219
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 5 |
| 2004 | 6 | 4 |
| 2005 | 1 | 1 |
| 2006 | 4 | 4 |
| 2007 | 1 | 3 |
| 2008 | 3 | 0 |
| 2009 | 3 | 3 |
| 2010 | 2 | 4 |
| 2011 | 3 | 2 |
| 2012 | 0 | 2 |
| 2013 | 4 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 4 |
| 2019 | 0 | 3 |
| 2020 | 4 | 4 |
| 2021 | 1 | 5 |
| 2022 | 3 | 2 |
| 2023 | 2 | 4 |
| 2024 | 5 | 2 |
| 2025 | 4 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Article with cooling holes and method of forming the same21 Apr 2026US 12,607,356 B2Rtx Corporation
- Precursor compositions for an insulation and related methods24 Feb 2026US 12,560,135 B2Northrop Grumman Systems Corporation
- Rocket motor10 Feb 2026US 12,545,438 B2Cesaroni Aerospace Incorporated
- Method for assembling a first metal part with a second part made of an organic matrix composite material16 Dec 2025US 12,496,783 B2Arianegroup SAS
- Rocket motors and methods of manufacturing rocket motors14 Oct 2025US 12,442,349 B1X-Bow Launch Systems Inc.
- Joint for Rocket Motor16 Jul 2026US 2026/0201853 A1Ursa Major Technologies, Inc.
- Rocket motor21 May 2026US 2026/0138757 A1Cesaroni Aerospace Incorporated
- Precursor compositions comprising a polymeric material, a bromine-containing flame retardant, and antimony trioxide19 Mar 2026US 2026/0078210 A1Northrop Grumman Systems Corporation
- Rocket motors and methods of manufacturing rocket motors29 Jan 2026US 2026/0028948 A1X-Bow Launch Systems Inc.
- Rocket motor liner structure30 Oct 2025US 2025/0334089 A1Ursa Major Technologies, Inc.
Most cited
By later US patents
- Method of producing an expanded insulating layer for propellant charges36US 4,473,517 AMesserschmitt-Bolkow-Blohm GmbH · 1984
- Composite structure29US 5,780,157 AUltramet · 1998
- Dimer isocyanate liner compositions28US 4,232,608 AAerojet-General Corporation · 1980
- Rocket motor with ablative insulating casing liner27US 3,973,397 AImperial Metal Industries (Kynoch) Limited · 1976
- Aramid polymer and powder filler reinforced elastomeric composition for use as a rocket motor insulation26US 4,492,779 AThiokol Corporation · 1985