C04B 33/1328
Without additional clay
Official title: {without additional clay}
C04B33/1328 (Without additional clay) appears on 14 US grants and 17 published applications in this corpus.
Search patents in C04B- Granted patents
- 14
- Published applications
- 17
- Assignees
- 19
- Inventors
- 56
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 3 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Insulating ceramic panels and methods of forming insulating ceramic panels30 Dec 2025US 12,509,403 B2The Boeing Company
- Ceramic panel including slag and stone dust25 Jan 2022US 11,230,498 B2Haewonmsc Co., Ltd
- Hazardous waste treatment process5 Jul 2016US 9,382,144 B2Tetronics (International) Limited
- Agglomerated alumina containing product9 Jun 2015US 9,051,187 B2Bumatech (Pty) Limited
- Ceramic ingot of spent filter having trapped radioactive cesium and method of preparing the same3 Mar 2015US 8,969,646 B2Korea Atomic Energy Research Institute
- Porous material for wellbore thermal insulation in drilling and its preparation method and application11 Jun 2026US 2026/0159745 A1China Univesity of Petroleum (East China)
- Insulating ceramic panels and methods of forming insulating ceramic panels2 Apr 2026US 2026/0092016 A1The Boeing Company
- Porous material and method of forming the same29 May 2025US 2025/0171358 A1Industrial Technology Research Institute
- Bricks/pavers made from desalinated sediment and process of making same2 Jan 2025US 2025/0002408 A1
- Insulating ceramic panels and methods of forming insulating ceramic panels25 Aug 2022US 2022/0267218 A1The Boeing Company
Most cited
By later US patents
- Proppants and their manufacture43US 7,160,844 B2Global Synfrac Inc. · 2007
- Synthetic aggregates comprising sewage sludge and other waste materials and methods for producing such aggregates40US 7,655,088 B2Alkemy, Ltd. · 2010
- Synthetic aggregates comprising sewage sludge and other waste materials and methods for producing such aggregates10US 8,206,504 B2Alkemy, Ltd. · 2012
- Hardened, environmentally disposable composite granules of coal cleaning refuse, coal combustion waste, and other wastes, and method preparing the same4US 4,940,611 AIowa State University Research Foundation, Inc. · 1990
- Method for manufacturing artificial reef based on industrial waste3US 6,451,722 B12002