C04B 2235/5236
Zirconia
C04B2235/5236 (Zirconia) appears on 162 US grants and 144 published applications in this corpus.
Search patents in C04B- Granted patents
- 162
- Published applications
- 144
- Assignees
- 107
- Inventors
- 414
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 10 |
| 2003 | 1 | 2 |
| 2004 | 3 | 7 |
| 2005 | 2 | 6 |
| 2006 | 3 | 2 |
| 2007 | 1 | 10 |
| 2008 | 2 | 6 |
| 2009 | 8 | 9 |
| 2010 | 4 | 1 |
| 2011 | 5 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 0 | 7 |
| 2017 | 5 | 6 |
| 2018 | 4 | 11 |
| 2019 | 6 | 10 |
| 2020 | 9 | 12 |
| 2021 | 10 | 9 |
| 2022 | 7 | 6 |
| 2023 | 6 | 7 |
| 2024 | 10 | 4 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing an abradable layer31 Mar 2026US 12,590,035 B2Centre National De La Recherche Scientifique
- Composites and methods of forming composites having tailored hardness profile30 Sep 2025US 12,427,748 B2Rohr, Inc.
- Superhard constructions and methods of making same16 Sep 2025US 12,415,761 B2Element Six (UK) Limited
- Nanolaminate fiber interface coatings for composites9 Sep 2025US 12,410,107 B2Rtx Corporation
- Surface treatments for ceramic coated/impregnated materials8 Jul 2025US 12,351,523 B2Axiom Materials, Inc.
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
- Preform for ceramic matrix composite, method of making a ceramic matrix composite and ceramic matrix composite26 Mar 2026US 2026/0085013 A1Rtx Corporation
- Porous glass material having uniform pore channels, vaporization core and electronic vaporizer12 Mar 2026US 2026/0068948 A1Smoore International Holdings Limited
- Filament dispersion process27 Nov 2025US 2025/0361188 A1Rtx Corporation
- Ceramic matrix composite parts and methods for their production9 Oct 2025US 2025/0314177 A1Rtx Corporation
Most cited
By later US patents
- Flexible graphite composite122US 5,902,762 AUCAR Carbon Technology Corporation · 1999
- Method for forming interphase layers in ceramic matrix composites107US 7,666,475 B2Siemens Energy, Inc. · 2010
- Thermal shock resistant ceramic composites97US 7,488,544 B2Stanton Advanced Ceramics, Inc. · 2009
- Thermal shock resistant ceramic composites95US 7,666,344 B2Stanton Advanced Ceramics, Inc. · 2010
- Process for producing fiber reinforced composite74US 5,876,659 AHitachi, Ltd. · 1999