C04B 38/08
Porous mortars, concrete, artificial stone or ceramic ware: by adding porous substances
Official title: by adding porous substances
C04B38/08 (Porous mortars, concrete, artificial stone or ceramic ware: by adding porous substances) appears on 223 US grants and 224 published applications in this corpus.
Search patents in C04B- Granted patents
- 223
- Published applications
- 224
- Assignees
- 173
- Inventors
- 549
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 5 |
| 2003 | 6 | 5 |
| 2004 | 2 | 6 |
| 2005 | 5 | 8 |
| 2006 | 3 | 11 |
| 2007 | 6 | 14 |
| 2008 | 5 | 7 |
| 2009 | 4 | 6 |
| 2010 | 13 | 7 |
| 2011 | 6 | 8 |
| 2012 | 6 | 4 |
| 2013 | 7 | 7 |
| 2014 | 5 | 15 |
| 2015 | 6 | 8 |
| 2016 | 8 | 12 |
| 2017 | 6 | 8 |
| 2018 | 6 | 7 |
| 2019 | 8 | 15 |
| 2020 | 6 | 7 |
| 2021 | 11 | 10 |
| 2022 | 1 | 17 |
| 2023 | 8 | 7 |
| 2024 | 9 | 14 |
| 2025 | 12 | 6 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sound-absorbing material block, method for preparing thereof, and electronic device29 Sep 2026US 12,747,189 B2AAG Technologies (Nanjing) Co., Ltd.
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof12 May 2026US 12,627,920 B2SSI New Material (Zhenjiang) Co., Ltd.
- Ceramic articles made from ceramic beads with open porosity24 Mar 2026US 12,583,800 B2Corning Incorporated
- Material, apparatus, and method for refractory castings3 Feb 2026US 12,539,537 B2Wagstaff, Inc.
- Insulating ceramic panels and methods of forming insulating ceramic panels30 Dec 2025US 12,509,403 B2The Boeing Company
- Highly absorbent sponge concrete1 Oct 2026US 2026/0296973 A1Amrize Technology Switzerland LLC
- Fixed-abrasive nano-grinding plates, related articles, and related methods2 Jul 2026US 2026/0183902 A1Engis Corporation
- Lightweight ceramics2 Jul 2026US 2026/0184639 A1ImerTech SAS
- Ceramic articles made from ceramic beads with open porosity2 Jul 2026US 2026/0184643 A1Corning Incorporated
- Atomization core, atomizer, and electronic atomization device9 Apr 2026US 2026/0097988 A1Smoore International Holdings Limited
Most cited
By later US patents
- Method for making hollow porous microspheres166US 4,671,909 A1987
- Hollow porous microspheres made from dispersed particle compositions150US 5,397,759 A1995
- Hollow porous microspheres containing biocatalyst137US 4,743,545 A1988
- Hollow porous microspheres made from dispersed particle compositions128US 5,212,143 A1993
- Hollow porous microspheres as substrates and containers for catalysts and method of making same124US 4,637,990 A1987