C04B 18/082
Cenospheres
Official title: {Cenospheres}
C04B18/082 (Cenospheres) appears on 31 US grants and 35 published applications in this corpus.
Search patents in C04B- Granted patents
- 31
- Published applications
- 35
- Assignees
- 19
- Inventors
- 51
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 6 |
| 2010 | 0 | 1 |
| 2011 | 5 | 0 |
| 2012 | 1 | 1 |
| 2013 | 4 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 3 | 4 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions of steel-microfiber reinforced ultra high performance concrete (UHPC) using recycled glass powder and processes for making the same30 Jun 2026US 12,668,540 B2Integrated Composite Construction Systems, LLC
- Concrete composition including nanosilica derived from glass waste22 Apr 2025US 12,281,044 B1King Saud University
- Manufacturing of off-spec waste coal combustion ash-based lightweight aggregate12 Nov 2024US 12,139,437 B2Drexel University
- Composition for a low shrinkage pasty fill and finishing material, pasty fill and finishing material, and method for producing a pasty fill and finishing material17 Sep 2024US 12,091,568 B2Knauf Gips KG
- Super-hydrophobic, thermally insulating, thermal-shocks resistant well cement composites for completion of geothermal wells at hydrothermal temperatures of up to 300° C27 Feb 2024US 11,912,927 B2Brookhaven Science Associates, LLC
- Utility materials incorporating a microparticle matrix formed with a setting agent12 Mar 2026US 2026/0071423 A1Akamai Materials, Inc.
- Lightweight core-shell aggregate and concrete19 Sep 2024US 2024/0308910 A1Nano and Advanced Materials Institute Limited
- Compositions and Processes for Ultra-High Performance Microfiber Concrete1 Aug 2024US 2024/0254058 A1Integrated Composite Construction Systems, LLC
- Utility materials incorporating a microparticle matrix formed with a setting agent13 Jun 2024US 2024/0191499 A1Microsphere Labs LLC
- Compositions of Steel-microfiber Reinforced Ultra High Performance Concrete (UHPC) using recycled glass powder and processes for making the same8 Feb 2024US 2024/0043327 A1Integrated Composite Construction Systems, LLC
Most cited
By later US patents
- Composition and method for making a proppant71US 7,491,444 B2Oxane Materials, Inc. · 2009
- Composition and method for making a proppant65US 7,459,209 B2Oxane Materials, Inc. · 2008
- Metal-coated hollow microspheres44US 4,621,024 APaper Applications International, Inc. · 1986
- Composition and method for making a proppant35US 8,003,212 B2Oxane Materials, Inc. · 2011
- Method for making thermal insulating, fire resistant material33US 4,235,836 AUnited Kingdom Atomic Energy Authority · 1980