C04B 16/08
Porous
Official title: porous, e.g. expanded polystyrene beads {or microballoons}
C04B16/08 (Porous) appears on 121 US grants and 140 published applications in this corpus.
Search patents in C04B- Granted patents
- 121
- Published applications
- 140
- Assignees
- 69
- Inventors
- 237
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 8 |
| 2007 | 1 | 15 |
| 2008 | 0 | 10 |
| 2009 | 2 | 8 |
| 2010 | 12 | 5 |
| 2011 | 6 | 3 |
| 2012 | 4 | 5 |
| 2013 | 6 | 5 |
| 2014 | 1 | 8 |
| 2015 | 5 | 6 |
| 2016 | 7 | 6 |
| 2017 | 6 | 8 |
| 2018 | 4 | 8 |
| 2019 | 7 | 6 |
| 2020 | 9 | 6 |
| 2021 | 3 | 2 |
| 2022 | 2 | 5 |
| 2023 | 3 | 10 |
| 2024 | 3 | 7 |
| 2025 | 1 | 0 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making1 Sep 2026US 12,726,151 B2Triton MgO Products, LLC
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof12 May 2026US 12,627,920 B2SSI New Material (Zhenjiang) Co., Ltd.
- Filling material31 Mar 2026US 12,590,029 B2
- Vaults, lids and trenches using recycled polystyrene31 Mar 2026US 12,590,030 B2Oldcastle Infrastructure, Inc.
- Cement board with water-resistant additive6 Jan 2026US 12,515,991 B2PermaBASE Building Products, LLC
- Gypsum boards and methods of making them2 Jul 2026US 2026/0184638 A1CertainTeed Gypsum, Inc.
- Cement Board with Water-Resistant Additive7 May 2026US 2026/0125325 A1PermaBASE Building Products, LLC
- Composite panels that contract when hydrated22 Jan 2026US 2026/0022065 A1Continuus Materials Intellectual Property, LLC
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof3 Oct 2024US 2024/0334116 A1SSI New Material (Zhenjiang) Co., Ltd.
- Coating Fluid, Non-combustible Insulation Board and Preparation Method Therefor8 Aug 2024US 2024/0262746 A1Baoding Vrd Energy Saving Technology Co., Ltd
Most cited
By later US patents
- Lightweight cementitious compositions and methods of their production and use95US 5,580,378 A1996
- Lightweight, low water content cementitious compositions and methods of their production and use70US 5,622,556 A1997
- Lightweight, low water content expanded shale, clay and slate cementitious compositions and methods of their production and use70US 5,725,652 A1998
- Structural building unit and method of making the same64US 5,482,550 A1996
- Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications56US 7,803,740 B2Sun Drilling Products Corporation · 2010