F27B 1/26
Arrangements of controlling devices
F27B1/26 (Arrangements of controlling devices) appears on 51 US grants and 66 published applications in this corpus.
Search patents in F27B- Granted patents
- 51
- Published applications
- 66
- Assignees
- 52
- Inventors
- 166
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 6 |
| 2016 | 0 | 0 |
| 2017 | 4 | 3 |
| 2018 | 0 | 1 |
| 2019 | 0 | 6 |
| 2020 | 5 | 0 |
| 2021 | 5 | 4 |
| 2022 | 1 | 3 |
| 2023 | 1 | 7 |
| 2024 | 4 | 10 |
| 2025 | 3 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for thermally treatment of air-dispersible raw material3 Feb 2026US 12,540,098 B2thyssenkrupp AG
- Computer system and method providing operating instructions for thermal control of a blast furnace27 Jan 2026US 12,535,782 B2Paul Wurth S. A.
- Method of operating blast furnace and blast furnace ancillary facility22 Jul 2025US 12,365,953 B2Jfe Steel Corporation
- Method for removing carbon dioxide from a material1 Apr 2025US 12,264,080 B2
- Direct reduction shaft furnace with probe for measuring interior gas analysis4 Mar 2025US 12,241,684 B2ArcelorMittal
- Graphitization furnace27 Aug 2026US 2026/0251394 A1Birla Carbon U.S.A., Inc.
- Flash smelting furnace, flash smelting furnace operation method, and metal smelting method13 Aug 2026US 2026/0234750 A1JX Advanced Metals Corporation
- Kiln and method for burning carbonate rock6 Aug 2026US 2026/0225953 A1Maerz Ofenbau AG
- Blast furnace operating method16 Jul 2026US 2026/0201484 A1Jfe Steel Corporation
- Tuyere sleeve for hydrogen-enriched carbonic oxide recycling oxygenate furnace and controlling method therefor29 Jan 2026US 2026/0029196 A1Xinjiang Bayi Iron & Steel Co., Ltd.
Most cited
By later US patents
- Apparatus for producing molten iron by submerged combustion67US 4,270,740 AMidrex Corporation · 1981
- Load cell arrangement23US 4,004,647 AThe Babcock & Wilcox Company · 1977
- Charging device for shaft furnace16US 4,042,130 AS. A. des Anciens Etablissements Paul Wurth · 1977
- Shaft furnace for production of iron carbide16US 5,618,032 AMidrex International B.V. Rotterdam, Zurich Branch · 1997
- Cupola burner14US 5,660,542 AMaumee Research & Engineering, Inc. · 1997