F27D 1/04
Casings: characterised by the form
Official title: characterised by the form {, e.g. shape} of the bricks or blocks used
F27D1/04 (Casings: characterised by the form) appears on 289 US grants and 158 published applications in this corpus.
Search patents in F27D- Granted patents
- 289
- Published applications
- 158
- Assignees
- 210
- Inventors
- 594
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 10 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 2 |
| 2003 | 5 | 4 |
| 2004 | 9 | 7 |
| 2005 | 1 | 7 |
| 2006 | 4 | 4 |
| 2007 | 1 | 5 |
| 2008 | 2 | 8 |
| 2009 | 5 | 9 |
| 2010 | 4 | 9 |
| 2011 | 5 | 5 |
| 2012 | 6 | 7 |
| 2013 | 7 | 5 |
| 2014 | 6 | 4 |
| 2015 | 5 | 8 |
| 2016 | 2 | 14 |
| 2017 | 3 | 4 |
| 2018 | 2 | 10 |
| 2019 | 14 | 5 |
| 2020 | 6 | 5 |
| 2021 | 5 | 5 |
| 2022 | 5 | 9 |
| 2023 | 3 | 5 |
| 2024 | 3 | 6 |
| 2025 | 3 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Highly-insulated ingot mold28 Apr 2026US 12,611,795 B2HarbisonWalker International Holdings, Inc.
- Support assembly in a heat storage device17 Mar 2026US 12,578,144 B2Paul Wurth Deutschland GmbH
- Insulating concrete shell24 Feb 2026US 12,560,273 B2ANDRITZ Metals Germany GmbH
- Corner block for glass furnace23 Sep 2025US 12,421,151 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Corbel for a coke oven or coke oven battery3 Jun 2025US 12,319,874 B2Vanocur Refractories LLC
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
- Dvc for a smelting furnace lining16 Jul 2026US 2026/0200800 A1
- Insulating lining, use of an alumina-based part, reactor for hydrocarbon reforming and process for hydrocarbon reforming2 Oct 2025US 2025/0303384 A1Refractory Intellectual Property GmbH & Co.KG
- Ruhrstahl-heraeus snorkel design21 Aug 2025US 2025/0263808 A1HarbisonWalker International Holdings, Inc.
- Interlocking refractory bricks and refractory layer structures formed therewith31 Jul 2025US 2025/0243101 A1HarbisonWalker International Holdings, Inc.
Most cited
By later US patents
- Ceramic-metal composites105US 4,639,388 AChromalloy American Corporation · 1987
- Coke oven reconstruction104US 7,827,689 B2Vanocur Refractories LLC · 2010
- Corbel repairs of coke ovens101US 8,266,853 B2Vanocur Refractories LLC · 2012
- Interlocking floor brick for non-recovery coke oven100US 6,017,214 APennsylvania Coke Technology, Inc. · 2000
- Coated ceramic structure and method of making same88US 4,568,595 A1986