F27B 1/20
Arrangements of devices for charging
F27B1/20 (Arrangements of devices for charging) appears on 179 US grants and 138 published applications in this corpus.
Search patents in F27B- Granted patents
- 179
- Published applications
- 138
- Assignees
- 102
- Inventors
- 376
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 9 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 1 |
| 2008 | 3 | 8 |
| 2009 | 3 | 9 |
| 2010 | 5 | 5 |
| 2011 | 9 | 15 |
| 2012 | 5 | 13 |
| 2013 | 8 | 2 |
| 2014 | 8 | 6 |
| 2015 | 10 | 12 |
| 2016 | 4 | 5 |
| 2017 | 5 | 8 |
| 2018 | 5 | 7 |
| 2019 | 7 | 2 |
| 2020 | 9 | 1 |
| 2021 | 3 | 4 |
| 2022 | 0 | 3 |
| 2023 | 4 | 4 |
| 2024 | 4 | 6 |
| 2025 | 3 | 8 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operating a blast furnace plant23 Jun 2026US 12,663,212 B2Paul Wurth S. A.
- Method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials20 Jan 2026US 12,529,125 B2SMS group GmbH
- Method for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace and furnace used1 Jul 2025US 12,344,556 B2S. A. Lhoist Recherche et Developpement
- Systems, methods and devices for cement manufacture10 Jun 2025US 12,325,671 B2Furno Materials Inc.
- Method for removing carbon dioxide from a material1 Apr 2025US 12,264,080 B2
- Graphitization furnace comprising widening cross-section8 Oct 2026US 2026/0309421 A1Sgl Carbon SE
- Graphitization furnace27 Aug 2026US 2026/0251394 A1Birla Carbon U.S.A., Inc.
- Vertical kiln to for cement manufacturing4 Sep 2025US 2025/0276936 A1Furno Materials Inc.
- Graphite characterization device and system19 Jun 2025US 2025/0198885 A1Birla Carbon U.S.A., Inc.
- Method of calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, and furnace used22 May 2025US 2025/0162934 A1S. A. Lhoist Recherche et Developpement
Most cited
By later US patents
- Process and apparatus for the metered introduction of fine-grain solid materials into an industrial furnace particularly a blast furnace or cupola furnace32US 4,758,118 A1988
- Furnace charging installation25US 4,514,129 APaul Wurth S. A. · 1985
- Distributor means for charging particulate material into receptacles24US 4,029,220 A1977
- Blast furnace charging method and apparatus21US 4,071,166 AS. A. des Anciens Etablissements Paul Wurth · 1978
- Arrangement comprising a gasifier and a direct reduction furnace19US 4,605,205 AKorf Engineering GmbH · 1986