C04B 38/0615
The burned-out substance being a monolitic element having approximately the same dimensions
Official title: {the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles (C04B38/0022 takes precedence)}
C04B38/0615 (The burned-out substance being a monolitic element having approximately the same dimensions) appears on 217 US grants and 188 published applications in this corpus.
Search patents in C04B- Granted patents
- 217
- Published applications
- 188
- Assignees
- 196
- Inventors
- 580
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 5 | 8 |
| 2004 | 2 | 9 |
| 2005 | 4 | 7 |
| 2006 | 5 | 5 |
| 2007 | 2 | 7 |
| 2008 | 4 | 12 |
| 2009 | 4 | 9 |
| 2010 | 3 | 8 |
| 2011 | 4 | 12 |
| 2012 | 10 | 9 |
| 2013 | 5 | 11 |
| 2014 | 6 | 9 |
| 2015 | 7 | 7 |
| 2016 | 7 | 6 |
| 2017 | 8 | 9 |
| 2018 | 5 | 10 |
| 2019 | 6 | 11 |
| 2020 | 9 | 8 |
| 2021 | 11 | 5 |
| 2022 | 7 | 5 |
| 2023 | 3 | 6 |
| 2024 | 4 | 4 |
| 2025 | 1 | 6 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High filtration efficiency particulate filters having bimodal pore size distribution made from beads with open porosity11 Aug 2026US 12,702,946 B2Corning Incorporated
- Reinforced metal matrix composites and methods of making the same26 May 2026US 12,637,739 B2II-Vi Delaware, Inc.
- Method for producing a porous metallic or ceramic component and component produced using the method5 May 2026US 12,617,733 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Liquid absorbing body21 Apr 2026US 12,605,692 B2Mitsubishi Pencil Company, Limited
- Sodium-ion-permeable plate-like partitioning wall and method for manufacturing same20 Jan 2026US 12,531,278 B2Kabushiki Kaisha Jinkoshigen Kenkyusho
- Forming ceramic components by rapid densification of porous preforms17 Sep 2026US 2026/0274758 A1Textron Systems Corporation
- Cores for ceramic matrix composite components9 Oct 2025US 2025/0313513 A1Rtx Corporation
- Preceramic resins and polymer-derived ceramics19 Jun 2025US 2025/0197298 A1
- Silica ceramic material, ceramic foam filter, and preparation method and use of ceramic foam filter6 Mar 2025US 2025/0073626 A1Baoding Ningxin Group Co., Ltd
- Components having coating systems comprising highly porous layers and methods for forming the coating systems6 Mar 2025US 2025/0075303 A1Honeywell International Inc.
Most cited
By later US patents
- 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
- Calcium phosphate porous sintered body and production thereof113US 6,340,648 B12002
- Coated ceramic structure and method of making same88US 4,568,595 A1986
- Method of making open cell material88US 6,660,224 B2National Research Council of Canada · 2003
- Process for preparing nanosized powder72US 5,698,483 AInstitute of Gas Technology · 1997