C04B 2201/40
Mortars, concrete or artificial stone characterised by specific physical values: for gas
Official title: for gas flow through the material
C04B2201/40 (Mortars, concrete or artificial stone characterised by specific physical values: for gas) appears on 9 US grants and 6 published applications in this corpus.
Search patents in C04B- Granted patents
- 9
- Published applications
- 6
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 10 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cement compositions containing phyllosilicate and methods of use10 Oct 2023US 11,780,775 B2King Fahd University of Petroleum and Minerals
- Ceramic porous body and method for producing the same, and dust collecting filter5 Jan 2021US 10,882,796 B2NGK Insulators, Ltd.
- Honeycomb filter, and manufacturing method of the same10 Jun 2014US 8,747,511 B2NGK Insulators, Ltd.
- Superduty fireclay refractory brick and methods for its manufacture18 Apr 1995US 5,407,875 AVGT Industriekeramik GmbH
- Filter body26 Dec 1989US 4,889,630 ASchumacher'sche Fabrik GmbH & Co. KG
- Concrete article, methods of making and using the same9 Apr 2026US 2026/0097996 A1University of Southern California
- Coated nonwoven mat with tuned performance properties6 Oct 2022US 2022/0315488 A1Owens Corning Intellectual Capital, LLC
- Carbonation system for curing of concrete products at ambient pressure21 Jul 2022US 2022/0227677 A1
- Cement compositions containing phyllosilicate and methods of use21 Jan 2021US 2021/0017083 A1King Fahd University of Petroleum and Minerals
- Ceramic porous body and method for producing the same, and dust collecting filter3 Oct 2019US 2019/0300445 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Dual pore-structure artificial carbon and graphite53US 4,205,055 ALe Carbone Lorraine · 1980
- Filter body40US 4,889,630 ASchumacher'sche Fabrik GmbH & Co. KG · 1989
- Foamed phosphate tile products23US 4,619,860 AArmstrong World Industries, Inc. · 1986
- Silencer7US 4,458,779 AAntiphon AB · 1984
- Gas-permeable thermal insulator4US 4,568,273 ABridgestone Tire Company Limited · 1986