C04B 18/103
Burned or pyrolised sludges
Official title: {Burned or pyrolised sludges}
C04B18/103 (Burned or pyrolised sludges) appears on 3 US grants and 7 published applications in this corpus.
Search patents in C04B- Granted patents
- 3
- Published applications
- 7
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 19 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for preparing ceramsite by using municipal sludge as raw material19 Jan 2021US 10,894,741 B2Qingdao Yi Eco-Environmental Protection Technology Co., Ltd
- Synthetic aggregate from waste materials19 Feb 2019US 10,207,954 B2Nano and Advanced Materials Institute Limited
- Process for producing a ceramic product for use as a construction material27 Jul 1993US 5,230,845 AFujimi Ceramic Co., Ltd.
- Sewage sludge ash (ssa) for low strength concrete13 Nov 2025US 2025/0346529 A1Qatar Foundation for Education, Science and Community Development
- Alkaline activated cement methods and compositions20 Jun 2024US 2024/0199492 A1Material. Evolution Ltd.
- Mortar mix and concrete mix incorporating a stillage liquid23 May 2024US 2024/0166563 A1University of Kentucky Research Foundation
- Ground structure and construction method thereof22 Feb 2024US 2024/0060247 A1Tokuyama Corporation
- Method for preparing ceramsite by using municipal sludge as raw material13 Feb 2020US 2020/0048147 A1Qingdao Yi Eco-Environmental Protection Technology Co., Ltd
Most cited
By later US patents