B28B 3/269
For multi-channeled structures
Official title: {For multi-channeled structures, e.g. honeycomb structures}
B28B3/269 (For multi-channeled structures) appears on 348 US grants and 253 published applications in this corpus.
Search patents in B28B- Granted patents
- 348
- Published applications
- 253
- Assignees
- 51
- Inventors
- 508
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 2 |
| 2002 | 9 | 13 |
| 2003 | 7 | 4 |
| 2004 | 6 | 14 |
| 2005 | 1 | 10 |
| 2006 | 7 | 11 |
| 2007 | 9 | 6 |
| 2008 | 3 | 10 |
| 2009 | 9 | 9 |
| 2010 | 10 | 11 |
| 2011 | 6 | 11 |
| 2012 | 7 | 4 |
| 2013 | 8 | 6 |
| 2014 | 5 | 4 |
| 2015 | 1 | 17 |
| 2016 | 7 | 5 |
| 2017 | 4 | 14 |
| 2018 | 7 | 12 |
| 2019 | 6 | 18 |
| 2020 | 11 | 19 |
| 2021 | 16 | 18 |
| 2022 | 17 | 24 |
| 2023 | 14 | 5 |
| 2024 | 19 | 4 |
| 2025 | 7 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of plugging a permeable porous cellular body15 Sep 2026US 12,734,726 B2Corning Incorporated
- Drainage plates for ceramic extrusion31 Mar 2026US 12,589,521 B2Corning Incorporated
- Method for manufacturing pillar-shaped honeycomb fired body17 Mar 2026US 12,577,175 B2NGK Insulators, Ltd.
- Ceramic honeycomb structure and honeycomb-molding die10 Mar 2026US 12,569,809 B2Proterial, Ltd.
- Extrusion dies with zoned coatings, methods of fabricating such dies, and methods of manufacturing ceramic articles2 Dec 2025US 12,485,574 B2Corning Incorporated
- Honeycomb structure and method for producing same7 May 2026US 2026/0124579 A1NGK Insulators, Ltd.
- Device and method for the extrusion manufacture of a porous support with a rectilinear central channel and non-rectilinear channels27 Feb 2025US 2025/0065271 A1Technologies Avancees Et Membranes Industrielles
- Extrusion die preparation methods26 Dec 2024US 2024/0424711 A1Corning Incorporated
- Methods of plugging a permeable porous cellular body26 Dec 2024US 2024/0424712 A1Corning Incorporated
- Honeycomb extrusion dies and methods of using and making same13 Jun 2024US 2024/0190043 A1Corning Incorporated
Most cited
By later US patents
- Honeycomb catalyst and manufacturing method therefor73US 6,156,698 AMitsubishi Heavy Industries, Ltd. · 2000
- Method of making extrusion dies from powders64US 5,308,556 ACorning Incorporated · 1994
- Extruding die for forming finned ceramic honeycomb structures63US 4,767,309 ANGK Insulators, Ltd. · 1988
- Honeycombed structures having open-ended cells formed by interconnected walls with longitudinally extending discontinuities56US 3,983,283 ACorning Glass Works · 1976
- Method of manufacturing a block-type heat exchange element56US 4,746,479 ANippon Soken, Inc. · 1988