B01D 39/2093
Ceramic foam
Official title: {Ceramic foam}
B01D39/2093 (Ceramic foam) appears on 210 US grants and 154 published applications in this corpus.
Search patents in B01D- Granted patents
- 210
- Published applications
- 154
- Assignees
- 134
- Inventors
- 463
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 5 | 7 |
| 2004 | 5 | 5 |
| 2005 | 3 | 8 |
| 2006 | 2 | 12 |
| 2007 | 3 | 13 |
| 2008 | 5 | 6 |
| 2009 | 8 | 9 |
| 2010 | 6 | 12 |
| 2011 | 11 | 6 |
| 2012 | 4 | 7 |
| 2013 | 5 | 8 |
| 2014 | 6 | 6 |
| 2015 | 4 | 4 |
| 2016 | 3 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 4 |
| 2019 | 8 | 10 |
| 2020 | 5 | 7 |
| 2021 | 5 | 5 |
| 2022 | 3 | 5 |
| 2023 | 3 | 4 |
| 2024 | 2 | 4 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refractory filter30 Sep 2025US 12,427,460 B2Foseco International Limited
- Clothes care apparatus25 Feb 2025US 12,234,598 B2Samsung Electronics Co., Ltd.
- Process to make a ceramic filter for metal casting28 May 2024US 11,992,874 B2GM Global Technology Operations LLC
- Honeycomb bodies with improved skin CTE and isostatic strength and methods of making the same6 Feb 2024US 11,890,609 B2Corning Incorporated
- Filter plug to prevent proppant flowback12 Dec 2023US 11,840,661 B2Halliburton Energy Services.Inc.
- Method and apparatus for controlling and cleaning a cooking hood29 Jan 2026US 2026/0027504 A1Intellinox Inc.
- Porous complex and method of producing porous complex1 Jan 2026US 2026/0001018 A1NGK Insulators, Ltd.
- Volumetric media and uses thereof28 Aug 2025US 2025/0269307 A1Donaldson Company, Inc.
- Silica ceramic material, ceramic foam filter, and preparation method and use of ceramic foam filter6 Mar 2025US 2025/0073626 A1Baoding Ningxin Group Co., Ltd
- Passive device for capturing microparticles in suspension in the air26 Dec 2024US 2024/0424436 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Molten metal filter medium and method for making same133US 5,369,063 AMetaullics Systems Co., L.P. · 1994
- Coated ceramic structure and method of making same88US 4,568,595 A1986
- Exhaust gas cleaning catalyst and process for production thereof81US 4,749,671 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1988
- Water filtration media, apparatus and processes76US 6,241,893 B12001
- Ceramic foam filter69US 3,947,363 ASwiss Aluminium Ltd. · 1976