C04B 18/0436
Dredged harbour or river sludge
Official title: {Dredged harbour or river sludge (other slurries or sludges C04B18/0418)}
C04B18/0436 (Dredged harbour or river sludge) appears on 12 US grants and 10 published applications in this corpus.
Search patents in C04B- Granted patents
- 12
- Published applications
- 10
- Assignees
- 15
- Inventors
- 44
- Latest grant
- 11 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Advanced lead-free radiation protection materials utilizing modified brine sludge composition and the process thereof11 Jul 2023US 11,699,533 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Placement area renewal systems and methods14 Apr 2020US 10,619,324 B1Placement Area Solutions, LLC
- Construction aggregate from verified remediated spoil7 Jan 2020US 10,525,513 B2
- Method of treatment of dredged material for beneficial use15 Nov 2011US 8,057,378 B2The Trustees of Columbia University in the City of New York
- Sludge inerting method8 Nov 2005US 6,962,562 B2Solvay (Societe Anonyme)
- Method for preparing lightweight aggregates9 Oct 2025US 2025/0313510 A1Seegex
- Method for carbonating waste materials22 May 2025US 2025/0162941 A1HSustainability GmbH
- Improvement of reactivity by oxidation15 May 2025US 2025/0154063 A1HSustainability GmbH
- Bricks/pavers made from desalinated sediment and process of making same2 Jan 2025US 2025/0002408 A1
- Ecologically enhanced eco-tile and method of production1 Feb 2024US 2024/0034679 A1City University of Hong Kong
Most cited
By later US patents
- Softy mud solidifying agent38US 5,133,806 AFujita Corporation · 1992
- Method for treatment of dredged materials to form a structural fill34US 6,293,731 B1SK Services (East) LC · 2001
- Method of processing waste materials, particularly sludge containing noxious metals27US 4,601,832 APelt & Hooykaas B.V. · 1986
- Removal of fine-grained sediments from water bodies16US 4,501,446 AEd. Zublin Aktiengesellschaft · 1985
- Apparatus for waste free dredging of waterways and the fabrication of building materials7US 5,240,608 A1993