C04B 41/4515
Application under vacuum or reduced pressure
Official title: {application under vacuum or reduced pressure}
C04B41/4515 (Application under vacuum or reduced pressure) appears on 24 US grants and 28 published applications in this corpus.
Search patents in C04B- Granted patents
- 24
- Published applications
- 28
- Assignees
- 22
- Inventors
- 94
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 2 | 6 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 5 |
| 2025 | 0 | 3 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Treatment of particulate filters28 Jul 2026US 12,692,807 B2Johnson Matthey Public Limited Company
- Sealed ceramic material and method30 Jun 2026US 12,669,318 B2Raytheon Company
- Ceramic infiltration of aircraft brakes via injection for wear improvement2 Jun 2026US 12,643,833 B2Goodrich Corporation
- Overlay coating resistant to molten calcium-magnesium-alumino-silicate17 Mar 2026US 12,577,176 B2Oerlikon Surface Solutions AG, PfäFfikon
- High temperature coatings3 Feb 2026US 12,540,105 B2Honeywell International Inc.
- Oxidative resistance of carbon-carbon composites for piston seals in a gas turbine engine10 Sep 2026US 2026/0265154 A1Rtx Corporation
- Ceramic article and method of manufacturing a ceramic article23 Jul 2026US 2026/0209121 A1General Electric Company
- Sealed ceramic material and method4 Sep 2025US 2025/0277653 A1Raytheon Company
- Ceramic infiltration of aircraft brakes via injection for wear improvement10 Apr 2025US 2025/0115524 A1Goodrich Corporation
- Hybrid chemical-physical vapor deposition process for the synthesis of environmental barrier coatings6 Feb 2025US 2025/0043431 A1
Most cited
By later US patents
- Method for applying an anti-oxidative coating on brake disks of a carbon-containing composite material62US 5,686,144 ASociete Europeenne de Propulsion · 1997
- Artificial and natural structures26US 4,060,953 ABalfour Beatty Limited · 1977
- Method of forming metal matrix composite bodies having complex shapes by a self-generated vacuum process, and products produced therefrom21US 5,163,498 ALanxide Technology Company, LP · 1992
- Method for fabricating lamellar piezoelectric preform and composite20US 5,660,877 AGeneral Electric Company · 1997
- Resistance temperature detector (RTD) for ceramic matrix composites4US 10,782,190 B1University of Rhode Island Board of Trustees · 2020