F05D 2300/224
Carbon
Official title: Carbon, e.g. graphite
F05D2300/224 (Carbon) appears on 286 US grants and 336 published applications in this corpus.
Search patents in F05D- Granted patents
- 286
- Published applications
- 336
- Assignees
- 127
- Inventors
- 677
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 5 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 7 |
| 2006 | 6 | 2 |
| 2007 | 1 | 11 |
| 2008 | 9 | 10 |
| 2009 | 5 | 12 |
| 2010 | 4 | 8 |
| 2011 | 11 | 14 |
| 2012 | 6 | 7 |
| 2013 | 11 | 8 |
| 2014 | 7 | 13 |
| 2015 | 6 | 14 |
| 2016 | 9 | 22 |
| 2017 | 9 | 18 |
| 2018 | 9 | 16 |
| 2019 | 20 | 21 |
| 2020 | 25 | 19 |
| 2021 | 21 | 26 |
| 2022 | 31 | 29 |
| 2023 | 21 | 25 |
| 2024 | 22 | 21 |
| 2025 | 18 | 14 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Sleeve for serially-arranged seal elements28 Jul 2026US 12,692,800 B2Pratt & Whitney Canada Corp.
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- Silicon carbide coatings and methods of fabricating and repairing the same24 Feb 2026US 12,559,435 B2Blue Origin Manufacturing, LLC
- Gas turbine engine with carbon/carbon composite piston seal27 Jan 2026US 12,535,013 B2Rtx Corporation
- Compressor13 Aug 2026US 2026/0235136 A1Mitsubishi Heavy Industries Compressor Corporation
- Silicon carbide coatings and methods of fabricating and repairing the same2 Jul 2026US 2026/0184644 A1Blue Origin Manufacturing, LLC
- Composite Article with Barrier Layer30 Apr 2026US 2026/0117661 A1Rtx Corporation
- Turbine engine with composite airfoil having a non-metallic leading edge protective wrap30 Apr 2026US 2026/0117663 A1General Electric Company
- Airfoils for gas turbine engines12 Mar 2026US 2026/0071548 A1General Electric Company
Most cited
By later US patents