F27D 2021/0042
Monitoring the level of the solid charge
Official title: {Monitoring the level of the solid charge}
F27D2021/0042 (Monitoring the level of the solid charge) appears on 12 US grants and 9 published applications in this corpus.
Search patents in F27D- Granted patents
- 12
- Published applications
- 9
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 1 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Surface detection apparatus for blast furnace15 Aug 2019US 2019/0249267 A1Wadeco Co., Ltd.
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Most cited
By later US patents
- Radiant energy profilometer12US 4,290,067 APaul Wurth S. A. · 1981
- Device for determining the profile of the charging surface of a shaft furnace4US 4,574,494 APaul Wurth S. A. · 1986
- Material level checking apparatus for use in a rotating member3US 5,048,333 APhillips Petroleum Company · 1991
- Discharge apparatus3US 5,915,308 ASiemens Aktiengesellschaft · 1999
- Plumb bob device for determining the bed height of bulk material in a shaft furnace2US 5,058,288 AMAN Gutehoffnungshutte Aktiengesellschaft · 1991