C04B 38/02
Porous mortars, concrete, artificial stone or ceramic ware: by adding chemical blowing
Official title: by adding chemical blowing agents
C04B38/02 (Porous mortars, concrete, artificial stone or ceramic ware: by adding chemical blowing) appears on 274 US grants and 290 published applications in this corpus.
Search patents in C04B- Granted patents
- 274
- Published applications
- 290
- Assignees
- 213
- Inventors
- 714
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 7 | 5 |
| 2003 | 4 | 4 |
| 2004 | 4 | 6 |
| 2005 | 2 | 12 |
| 2006 | 5 | 4 |
| 2007 | 5 | 9 |
| 2008 | 2 | 6 |
| 2009 | 3 | 13 |
| 2010 | 5 | 9 |
| 2011 | 4 | 7 |
| 2012 | 6 | 7 |
| 2013 | 5 | 8 |
| 2014 | 6 | 8 |
| 2015 | 2 | 5 |
| 2016 | 6 | 12 |
| 2017 | 3 | 7 |
| 2018 | 9 | 30 |
| 2019 | 20 | 28 |
| 2020 | 29 | 25 |
| 2021 | 17 | 10 |
| 2022 | 7 | 19 |
| 2023 | 12 | 13 |
| 2024 | 14 | 20 |
| 2025 | 10 | 16 |
| 2026 | 7 | 5 |
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.
- System and method for forming a ceramic sandwich-structured composite component22 Sep 2026US 12,741,914 B2General Electric Company
- Process for producing autoclaved aerated concrete using silica raw materials having higher solubility than quartz18 Aug 2026US 12,709,576 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Sintered body having pores and method for producing the same2 Jun 2026US 12,643,826 B2NEC Corporation
- Silane crosslinked ethylene/α-olefin block copolymer bead foam28 Apr 2026US 12,612,501 B2Dow Global Technologies LLC
- Multi-doped garnet electrolytes27 Aug 2026US 2026/0253946 A1Ion Storage Systems, Inc.
- High-voltage depletion-mode current source, transistor, and fabrication methods20 Aug 2026US 2026/0242281 A1Texas Instruments Incorporated
- Expandable Ready Mix Joint Compound Formulation and Method of Making Same30 Jul 2026US 2026/0217612 A1Panel Rey, S.A.
- Method of Making Aluminum Nitride Foam26 Mar 2026US 2026/0084963 A1
- High strength polymer-derived ceramic foams - composition and methods22 Jan 2026US 2026/0022077 A1Dynamic Material Systems, LLC
Most cited
By later US patents
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Laminated articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix154US 5,928,741 AE. Khashoggi Industries · 1999
- Methods of generating gas in well treating fluids144US 6,722,434 B2Halliburton Energy Services.Inc. · 2004
- Methods for the manufacture of sheets having a highly inorganically filled organic polymer matrix136US 6,180,037 B2E. Khashoggi Industries · 2001