C04B 33/20
For dry-pressing
Official title: for dry-pressing (C04B33/13 takes precedence)
C04B33/20 (For dry-pressing) appears on 42 US grants and 44 published applications in this corpus.
Search patents in C04B- Granted patents
- 42
- Published applications
- 44
- Assignees
- 40
- Inventors
- 118
- Latest grant
- 7 Jul 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 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 3 | 4 |
| 2004 | 2 | 5 |
| 2005 | 3 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 9 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Moisture regulating material and production method thereof7 Jul 2026US 12,673,899 B2
- Porcelain stoneware production process and products6 May 2025US 12,291,486 B2Saxa Grestone S.P.A.
- Raman markers22 Apr 2025US 12,280,612 B2Consejo Superior de Investigaciones Cientificas
- Health artificial pearl and manufacturing method therefor4 Jun 2024US 11,999,659 B2
- Process for making a ceramic particulate mixture20 Feb 2024US 11,905,216 B2Vecor IP Holdings Limited
- Process for making tiles19 Jun 2025US 2025/0197290 A1Lamberti SPA
- Elaboration of ceramic materials made from refractory waste for high-temperature thermal energy storage applications11 Jan 2024US 2024/0010571 A1Seramic Materials Limited
- Moisture regulating material and production method thereof28 Sep 2023US 2023/0303447 A1Kaleseramik Canakkale Kalebodur Seramik Sanayi Anonim Sirketi
- Raman markers31 Mar 2022US 2022/0097439 A1Consejo Superior de Investigaciones Cientificas
- Health artificial pearl and manufacturing method therefor23 Dec 2021US 2021/0395151 A1
Most cited
By later US patents
- Polycrystalline translucent alumina-based ceramic material, uses, and methods166US 6,878,456 B23M Innovative Properties Company · 2005
- Orthodontic appliances including polycrystalline alumina-based ceramic material, kits, and methods42US 6,648,638 B23M Innovative Properties Company · 2003
- Brick and method of making same22US 4,120,735 AGilbert Associates, Inc. · 1978
- Refractory material produced from red mud21US 5,106,797 AAlcan International Limited · 1992
- Methods to solidify cremation residues21US 6,382,111 B12002