F27D 2019/0075
Regulation of the charge quantity
Official title: {Regulation of the charge quantity}
F27D2019/0075 (Regulation of the charge quantity) appears on 28 US grants and 25 published applications in this corpus.
Search patents in F27D- Granted patents
- 28
- Published applications
- 25
- Assignees
- 27
- Inventors
- 86
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
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| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
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| 1991 | 1 | 0 |
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| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Method and apparatus for controlling bath level and measurement of bath characteristics19US 6,004,504 ATechint Compagnia Tecnica Internazionale S.p.A. · 1999
- Direct resistance heating electrical furnace assembly and method of operating same9US 5,317,592 AMintek · 1994
- Process and apparatus for automatically controlling slag foaming8US 6,544,314 B2Specialty Minerals (Michigan) Inc. · 2003
- Method for charging a reverbratory furnace with metal chips5US 6,136,064 AHayes Lemmerz International, Inc. · 2000
- Method and apparatus for continuously melting material by induction heating4US 4,996,402 AHitachi, Ltd. · 1991