C04B 18/101
Burned rice husks or other burned vegetable material
Official title: {Burned rice husks or other burned vegetable material}
C04B18/101 (Burned rice husks or other burned vegetable material) appears on 48 US grants and 58 published applications in this corpus.
Search patents in C04B- Granted patents
- 48
- Published applications
- 58
- Assignees
- 48
- Inventors
- 146
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 3 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 4 |
| 2021 | 3 | 7 |
| 2022 | 4 | 2 |
| 2023 | 5 | 4 |
| 2024 | 2 | 10 |
| 2025 | 1 | 2 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biocarbon compositions with optimized compositional parameters, and processes for producing the same16 Jun 2026US 12,655,061 B2Carbon Technology Holdings, LLC
- Cement compositions, and methods thereof24 Feb 2026US 12,559,424 B2University of Maine System Board of Trustees
- Carbon negative cementitious composition and building materials9 Dec 2025US 12,492,148 B1Phytostone LLC
- Biocarbon compositions with optimized compositional parameters, and processes for producing the same1 Oct 2024US 12,103,892 B2Carbon Technology Holdings, LLC
- Curing agent for disposal of municipal solid waste incineration (MSWI) fly ash and preparation method and use method thereof5 Mar 2024US 11,919,811 B1Dalian University of Technology
- Method for producing geopolymer material from silicate- and aluminate-rich waste8 Oct 2026US 2026/0308061 A1
- Solidified body, roadbed material, and method for manufacturing solidified body6 Aug 2026US 2026/0225956 A1Jfe Steel Corporation
- Carbon negative cementitious composition and building materials4 Jun 2026US 2026/0152439 A1Phytostone LLC
- Algal biochar for reduction of heavy metal leachate from mine tailings26 Mar 2026US 2026/0085005 A1
- Metakaolin concrete and processes for preparing same26 Mar 2026US 2026/0085009 A1
Most cited
By later US patents
- Highly durable cement products containing siliceous ashes57US 5,346,548 AThe Regents of the University of California · 1994
- Rice hull ash concrete admixture50US 4,829,107 AW. R. Grace & Co.-Conn. · 1989
- Process for the preparation of siliceous ashes49US 3,959,007 AStructural Materials · 1976
- Low density insulating compositions containing combusted bark particles35US 4,166,749 AW. R. Grace & Co. · 1979
- Rice hull ash compositions25US 4,571,389 AMolly Maguire, Inc. · 1986