C04B 2237/586
By joining layers or articles of the same composition but having different
Official title: by joining layers or articles of the same composition but having different densities
C04B2237/586 (By joining layers or articles of the same composition but having different) appears on 68 US grants and 88 published applications in this corpus.
Search patents in C04B- Granted patents
- 68
- Published applications
- 88
- Assignees
- 71
- Inventors
- 273
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 8 |
| 2008 | 0 | 1 |
| 2009 | 3 | 5 |
| 2010 | 2 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 1 | 8 |
| 2023 | 2 | 8 |
| 2024 | 5 | 6 |
| 2025 | 5 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic matrix composites and their preforms11 Aug 2026US 12,703,169 B2Rtx Corporation
- Controlled gradient of porosity in CMC16 Jun 2026US 12,655,069 B2Rtx Corporation
- Homogenizing method and device for mixing cow dung granules into clay bricks5 May 2026US 12,617,124 B2
- 3D woven space filler3 Feb 2026US 12,540,102 B2Rtx Corporation
- Localized thickening ply reinforcement within ceramic matrix composite airfoil cavity21 Oct 2025US 12,448,896 B2Rtx Corporation
- Multi-doped garnet electrolytes27 Aug 2026US 2026/0253946 A1Ion Storage Systems, Inc.
- Highly-insulated ingot mold6 Aug 2026US 2026/0225283 A1HarbisonWalker International Holdings, Inc.
- A tube furnace for the use in a sintering and/or debinding process16 Jul 2026US 2026/0199973 A1BASF SE
- Process for preparing a green multilayer sol-gel ceramic membrane2 Apr 2026US 2026/0092013 A1Petroleo Brasileiro S.A. - Petrobras
- Ultrafast high-temperature sintering method2 Apr 2026US 2026/0092014 A1Belenos Clean Power Holding AG
Most cited
By later US patents
- Ceramic prosthetic implant suitable for a knee joint plateau123US 4,000,525 AThe United States of America as represented by the Secretary of the Navy · 1977
- Methods and apparatus for high performance structures123US 7,710,347 B2Raytheon Company · 2010
- Friction elements of composite carbon-carbon material and of differential texture63US 5,242,746 ALe Carbone Lorraine · 1993
- Ceramics composites51US 4,969,913 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1990
- Composite materials comprising two jonal functions and methods for making the same41US 6,228,453 B1AlliedSignal Composites Inc. · 2001