C04B 2235/668
Pressureless sintering
C04B2235/668 (Pressureless sintering) appears on 172 US grants and 204 published applications in this corpus.
Search patents in C04B- Granted patents
- 172
- Published applications
- 204
- Assignees
- 156
- Inventors
- 494
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 8 | 12 |
| 2004 | 9 | 13 |
| 2005 | 2 | 13 |
| 2006 | 10 | 12 |
| 2007 | 5 | 5 |
| 2008 | 5 | 5 |
| 2009 | 4 | 9 |
| 2010 | 6 | 5 |
| 2011 | 3 | 4 |
| 2012 | 5 | 11 |
| 2013 | 3 | 7 |
| 2014 | 6 | 7 |
| 2015 | 7 | 3 |
| 2016 | 4 | 6 |
| 2017 | 7 | 14 |
| 2018 | 9 | 4 |
| 2019 | 7 | 8 |
| 2020 | 6 | 7 |
| 2021 | 10 | 12 |
| 2022 | 4 | 13 |
| 2023 | 7 | 4 |
| 2024 | 4 | 11 |
| 2025 | 7 | 4 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic material for thermal barrier coating and manufacturing method thereof14 Apr 2026US 12,600,675 B2Nanchang Hangkong University
- Zirconia sintered body and method for producing the same17 Mar 2026US 12,577,170 B2Tosoh Corporation
- Sintered body, method of fabricating the same, semiconductor fabricating device, and method of fabricating semiconductor fabricating device24 Feb 2026US 12,559,381 B2Samsung Electronics Co., Ltd.
- Manufacturing method of ring-shaped element for etcher20 Jan 2026US 12,531,214 B2Solmics Co., Ltd.
- Ablation-resistant high-entropy carbide-high-entropy diboride-silicon carbide multiphase ceramic and preparation thereof23 Dec 2025US 12,503,404 B2Zhejiang Normal University
- Bondcoat including an oxygen getter3 Sep 2026US 2026/0257972 A1General Electric Company
- Method for producing recycled zirconia13 Aug 2026US 2026/0234067 A1National Institute for Materials Science
- Ceramic matrix composite and method for producing the same9 Jul 2026US 2026/0193141 A1Tosoh Corporation
- Sintered body, sputtering target, oxide thin film, thin film transistor and method of manufacturing sintered body4 Jun 2026US 2026/0152845 A1H & Iruja Co., Ltd.
- Preparation method of multi-bullet-resistant ceramic and bulletproof insert plate7 May 2026US 2026/0126274 A1Zhejiang Light-Tough Composite Materials Co., Ltd.
Most cited
By later US patents
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Dual grade carbide substrate for earth-boring drill bit cutting elements, drill bits so equipped, and methods166US 6,216,805 B1Baker Hughes Incorporated · 2001
- Fiber reinforced ceramic matrix laminate164US 5,376,598 AThe Boeing Company · 1994
- Dental restorations using nanocrystalline materials and methods of manufacture123US 7,655,586 B1Pentron Ceramics, Inc. · 2010