F27D 1/00
Casings
Official title: Casings; Linings; Walls; Roofs
F27D1/00 (Casings) appears on 2,176 US grants and 1,230 published applications in this corpus.
Search patents in F27D- Granted patents
- 2,176
- Published applications
- 1,230
- Assignees
- 1,168
- Inventors
- 4,163
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 36 | 0 |
| 1978 | 47 | 0 |
| 1979 | 41 | 0 |
| 1980 | 67 | 0 |
| 1981 | 40 | 0 |
| 1982 | 33 | 0 |
| 1983 | 60 | 0 |
| 1984 | 81 | 0 |
| 1985 | 48 | 0 |
| 1986 | 59 | 0 |
| 1987 | 63 | 0 |
| 1988 | 53 | 0 |
| 1989 | 58 | 0 |
| 1990 | 66 | 0 |
| 1991 | 53 | 0 |
| 1992 | 41 | 0 |
| 1993 | 51 | 0 |
| 1994 | 40 | 0 |
| 1995 | 41 | 0 |
| 1996 | 32 | 0 |
| 1997 | 41 | 0 |
| 1998 | 60 | 0 |
| 1999 | 57 | 0 |
| 2000 | 57 | 0 |
| 2001 | 47 | 18 |
| 2002 | 44 | 49 |
| 2003 | 50 | 52 |
| 2004 | 42 | 59 |
| 2005 | 34 | 38 |
| 2006 | 23 | 30 |
| 2007 | 13 | 30 |
| 2008 | 14 | 45 |
| 2009 | 19 | 52 |
| 2010 | 24 | 35 |
| 2011 | 25 | 54 |
| 2012 | 27 | 43 |
| 2013 | 31 | 61 |
| 2014 | 40 | 58 |
| 2015 | 37 | 45 |
| 2016 | 35 | 64 |
| 2017 | 43 | 32 |
| 2018 | 37 | 62 |
| 2019 | 59 | 60 |
| 2020 | 50 | 45 |
| 2021 | 32 | 52 |
| 2022 | 36 | 66 |
| 2023 | 41 | 56 |
| 2024 | 44 | 47 |
| 2025 | 34 | 44 |
| 2026 | 35 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27D 1/0003Linings or walls802
- F27D 1/16Making or repairing linings511
- F27D 1/18Door frames374
- F27D 1/04Casings: characterised by the form289
- F27D 1/14Supports for linings273
- F27D 1/12Incorporating cooling arrangements269
- F27D 1/02Crowns84
- F27D 2001/0046Means to facilitate repair or replacement or prevent quick wearingIndexing code62
Recent patents
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- High-zirconia electro-fused cast refractory material25 Aug 2026US 12,715,817 B2Saint-Gobain TM K.K.
- Semiconductor high pressure annealing device25 Aug 2026US 12,721,088 B2Tokyo Electron Limited
- Metallurgical furnace11 Aug 2026US 12,704,326 B2Metso Metals Oy
- High pressure heat treatment apparatus4 Aug 2026US 12,698,939 B2HPSP Co., Ltd.
- Fiber composite felt8 Oct 2026US 2026/0309422 A1Sgl Carbon SE
- Heat treatment apparatus8 Oct 2026US 2026/0309423 A1Tokyo Electron Limited
- Hearth mixture for disposing on the hearth bottom of an electric arc furnace, use of a hearth mixture for disposing on the hearth bottom of an electric arc furnace, electric arc furnace, method for disposing a hearth mixture on the hearth bottom of an electric arc furnace and use of magnesia spinel used in a lining of a cement rotary kiln24 Sep 2026US 2026/0287256 A1Refractory Intellectual Property GmbH & Co.KG
- Furnace tube and control method therefor10 Sep 2026US 2026/0266547 A1Changzhou S.C Exact Equipment Co., Ltd.
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
Most cited
By later US patents
- Heat treatment apparatus468US 9,759,489 B2Tokyo Electron Limited · 2017
- Hot wall rapid thermal processor293US 6,462,310 B1ASML US, Inc. · 2002
- Support mechanism and substrate processing apparatus285US 9,803,926 B2Tokyo Electron Limited · 2017
- Method and apparatus for fabrication of cobalt alloy composite inserts211US 6,063,333 ADennis Tool Company · 2000
- Shape memory alloy fastener178US 5,120,175 A1992