F27B 1/28
Arrangements of monitoring devices, of indicators, of alarm devices
F27B1/28 (Arrangements of monitoring devices, of indicators, of alarm devices) appears on 52 US grants and 75 published applications in this corpus.
Search patents in F27B- Granted patents
- 52
- Published applications
- 75
- Assignees
- 45
- Inventors
- 219
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 5 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 5 |
| 2020 | 4 | 3 |
| 2021 | 3 | 7 |
| 2022 | 4 | 11 |
| 2023 | 1 | 5 |
| 2024 | 10 | 15 |
| 2025 | 7 | 5 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid level detection method and detection apparatus for the same, molten material liquid level detection method and detection apparatus for the same, and method for operating vertical furnace24 Mar 2026US 12,584,690 B2Jfe Steel Corporation
- Residual liquid amount detection method and detection apparatus for the same, residual molten material amount detection method and detection apparatus for the same, and method for operating vertical furnace17 Mar 2026US 12,577,629 B2Jfe Steel Corporation
- Method for detecting fluctuation of solidified layer and method for operating blast furnace3 Feb 2026US 12,540,363 B2Jfe Steel Corporation
- Method of operating blast furnace and blast furnace ancillary facility22 Jul 2025US 12,365,953 B2Jfe Steel Corporation
- Blast furnace fault determination apparatus, method for determining fault in blast furnace, and method for operating blast furnace3 Jun 2025US 12,320,590 B2Jfe Steel Corporation
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
- Furnace heat prediction data creation device and method therefor, and furnace heat prediction device and method therefor6 Aug 2026US 2026/0228384 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Method for measuring molten material level in blast furnace, device for measuring molten material level in blast furnace, and blast furnace operation method30 Jul 2026US 2026/0218322 A1Jfe Steel Corporation
- Molten material height detection method, molten material height detection apparatus, and method for manufacturing molten material30 Jul 2026US 2026/0219092 A1Jfe Steel Corporation
- Blast furnace operating method16 Jul 2026US 2026/0201484 A1Jfe Steel Corporation
Most cited
By later US patents
- Device for determining the topographic map of the loading surface of a shaft furnace17US 5,043,735 AMMTC, Inc. · 1991
- Method and apparatus for controlling kiln8US 6,113,387 AGlobal Stone Corporation · 2000
- Fuel gas calorie control method and device7US 7,396,228 B2Mitsubishi Heavy Industries, Ltd. · 2008
- Predictive refractory performance measurement system4US 10,859,316 B1HarbisonWalker International, Inc. · 2020
- Device for determining the profile of the charging surface of a shaft furnace4US 4,574,494 APaul Wurth S. A. · 1986