C04B 38/06
Porous mortars, concrete, artificial stone or ceramic ware: by burning-out added substances
Official title: by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances}
C04B38/06 (Porous mortars, concrete, artificial stone or ceramic ware: by burning-out added substances) appears on 745 US grants and 763 published applications in this corpus.
Search patents in C04B- Granted patents
- 745
- Published applications
- 763
- Assignees
- 548
- Inventors
- 2,018
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 16 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 14 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 3 |
| 2002 | 9 | 16 |
| 2003 | 16 | 27 |
| 2004 | 12 | 19 |
| 2005 | 13 | 26 |
| 2006 | 11 | 25 |
| 2007 | 7 | 37 |
| 2008 | 14 | 27 |
| 2009 | 18 | 26 |
| 2010 | 16 | 24 |
| 2011 | 29 | 27 |
| 2012 | 15 | 19 |
| 2013 | 13 | 30 |
| 2014 | 19 | 33 |
| 2015 | 17 | 37 |
| 2016 | 27 | 26 |
| 2017 | 30 | 35 |
| 2018 | 29 | 40 |
| 2019 | 30 | 45 |
| 2020 | 33 | 35 |
| 2021 | 24 | 34 |
| 2022 | 27 | 49 |
| 2023 | 27 | 38 |
| 2024 | 36 | 38 |
| 2025 | 21 | 33 |
| 2026 | 21 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 38/063Preparing or treating the raw materials individually or as batches344
- C04B 38/0615The burned-out substance being a monolitic element having approximately the same dimensions217
- C04B 38/0605By sublimating31
- C04B 38/061By melting out18
- C04B 38/0695Physical aspects of the porous material obtained14
Recent patents
- Ceramic body, honeycomb structure, method for producing ceramic body and heater element29 Sep 2026US 12,750,923 B2NGK Insulators, Ltd.
- High filtration efficiency particulate filters having bimodal pore size distribution made from beads with open porosity11 Aug 2026US 12,702,946 B2Corning Incorporated
- Nanoporous ceramic for atomization core and preparation method thereof11 Aug 2026US 12,703,664 B2Huizhou Happy Vaping Technology Limited
- Paste for ceramic 3D shaping and method for manufacturing three-dimensional shaped object30 Jun 2026US 12,668,544 B2Nippon Electric Glass Co., Ltd.
- Process for producing a porous alpha-alumina catalyst support16 Jun 2026US 12,654,152 B2BASF SE
- Forming ceramic components by rapid densification of porous preforms17 Sep 2026US 2026/0274758 A1Textron Systems Corporation
- Porous ceramic layer, porous ceramic layered body and separation membrane30 Jul 2026US 2026/0216665 A1Sumitomo Chemical Company, Limited
- Porous ceramic layer, porous ceramic layered body and separation membrane30 Jul 2026US 2026/0216666 A1Sumitomo Chemical Company, Limited
- Ceramics and methods of their manufacture30 Jul 2026US 2026/0217613 A1ImerTech SAS
- Spherical support for catalysts based on metal oxides of group ivb and related manufacturing process9 Jul 2026US 2026/0192282 A1Exacer S.R.L.
Most cited
By later US patents
- Luneberg dielectric lens and method of producing same224US 7,671,820 B2Sumitomo Electric Industries, Ltd. · 2010
- Controlled architecture ceramic composites by stereolithography213US 6,283,997 B1Ethicon, Inc. · 2001
- Molten metal filter medium and method for making same133US 5,369,063 AMetaullics Systems Co., L.P. · 1994
- Ceramic prosthetic implant suitable for a knee joint plateau123US 4,000,525 AThe United States of America as represented by the Secretary of the Navy · 1977
- Microscopic tube material and its method of manufacture118US 5,352,512 AThe United States of America as represented by the Secretary of the Air Force · 1994