C04B 38/068
Carbonaceous materials
Official title: {Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons}
C04B38/068 (Carbonaceous materials) appears on 62 US grants and 89 published applications in this corpus.
Search patents in C04B- Granted patents
- 62
- Published applications
- 89
- Assignees
- 55
- Inventors
- 223
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 9 |
| 2008 | 0 | 3 |
| 2009 | 3 | 4 |
| 2010 | 1 | 3 |
| 2011 | 5 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 4 |
| 2014 | 1 | 4 |
| 2015 | 2 | 3 |
| 2016 | 4 | 2 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 3 | 6 |
| 2020 | 2 | 6 |
| 2021 | 4 | 9 |
| 2022 | 3 | 5 |
| 2023 | 4 | 7 |
| 2024 | 4 | 2 |
| 2025 | 2 | 4 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanoporous ceramic for atomization core and preparation method thereof11 Aug 2026US 12,703,664 B2Huizhou Happy Vaping Technology Limited
- Process for producing a porous alpha-alumina catalyst support16 Jun 2026US 12,654,152 B2BASF SE
- Cordierite-indialite-pseudobrookite structured ceramic bodies, batch composition mixtures, and methods of manufacturing ceramic bodies therefrom16 Jun 2026US 12,655,064 B2Corning Incorporated
- Method for manufacturing pillar-shaped honeycomb fired body17 Mar 2026US 12,577,175 B2NGK Insulators, Ltd.
- Methods for preparing silicon carbide membrane supports using activated coke fly ash10 Feb 2026US 12,545,626 B2Jiangsu Jiulang High-Tech Co., Ltd.
- Ceramic atomization core with metal coating layer and preparation method therefor25 Jun 2026US 2026/0176210 A1Haining New Natao Technology Co., Ltd
- Recycling method of wastewater from wafer cutting, grinding, and polishing processes in semiconductor manufacturing process23 Oct 2025US 2025/0326660 A1Feature-Tec (Shanghai) New Materials Co., Ltd.
- Methods for preparing silicon carbide membrane supports using activated coke fly ash18 Sep 2025US 2025/0289761 A1Jiangsu Jiulang High-Tech Co., Ltd.
- High-density heat storage molded body having porous structure stable in heat storage and release cycle, and method for manufacturing same28 Aug 2025US 2025/0269555 A1Korea Institute of Energy Research
- Porous body, atomizer and electronic atomization device27 Feb 2025US 2025/0064122 A1Shenzhen First Union Technology Co., Ltd.
Most cited
By later US patents
- Porous ceramic radiation plate10US 5,219,802 AIndustrial Technology Research Institute · 1993
- Extruded porous substrate having inorganic bonds9US 7,486,962 B2GEO2 Technologies, Inc. · 2009
- Controlled porosity for ceramic contact sheets and setter tiles8US 6,015,517 AInternational Business Machines Corporation · 2000
- Composite material comprising activated carbon and expanded graphite7US 6,790,390 B2Centre National De La Recherche Scientifique · 2004
- High porosity cordierite ceramic honeycomb article and method7US 7,541,303 B2Corning Incorporated · 2009