F27B 7/3205
Charging
Official title: {Charging}
F27B7/3205 (Charging) appears on 93 US grants and 55 published applications in this corpus.
Search patents in F27B- Granted patents
- 93
- Published applications
- 55
- Assignees
- 78
- Inventors
- 203
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 3 |
| 2002 | 3 | 5 |
| 2003 | 2 | 2 |
| 2004 | 4 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 2 | 3 |
| 2025 | 2 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 2007/3211At the open end of the drumIndexing code34
- F27B 2007/3247Through a lateral opening in the drumIndexing code18
- F27B 2007/327Centrifugally through lateral openings in the drumIndexing code6
- F27B 2007/3258At the open end of the drumIndexing code5
- F27B 2007/3276With a collector means extending longitudinally into the drumIndexing code4
Recent patents
- Raw meal delivery device4 Aug 2026US 12,698,938 B2KHD Humboldt Wedag GmbH
- Direct reduction of iron by hydrogen plasma in a rotary kiln reactor5 May 2026US 12,618,120 B2Uchicago Argonne, LLC
- Cathode material drying device and cathode material drying production line7 Apr 2026US 12,595,962 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Installation for the thermal treatment of dispersible raw material, and method for operating such an installation24 Feb 2026US 12,560,381 B2Dyckerhoff AG
- Method and apparatus for conveying hot calcined raw meal14 Oct 2025US 12,441,558 B2Alite GmbH
- Direct reduction of iron by hydrogen plasma in a rotary kiln reactor27 Aug 2026US 2026/0250794 A1Uchicago Argonne, LLC
- Remediation systems and thermal management systems13 Aug 2026US 2026/0233272 A1ASRC Energy Services, LLC
- Device for haremless treatment of phosphogypsum by calcination using high-temperature ceramsite29 Jan 2026US 2026/0029199 A1Hubei Juhai Environmental Technology Co., Ltd.
- Sintering furnace11 Sep 2025US 2025/0283662 A1Guangzhou Tinci Materials Technology Co., Ltd.
- Rotary pyrolysis reactor and method of use8 May 2025US 2025/0146754 A1Omega Holdings LLC
Most cited
By later US patents
- Oxidant-driven dust recycling process and device for rotary kilns68US 6,241,514 B1American Air Liquide, Inc. · 2001
- Method for energy recovery from solid hazardous waste53US 4,850,290 AAsh Grove Cement Company · 1989
- Apparatus for charging solid fuel to rotary kilns34US 4,930,965 AAsh Grove Cement Company · 1990
- Apparatus for charging a rotary kiln with pneumatic tires29US 4,551,051 AVoest-Alpine Aktiengesellschaft · 1985
- Device for charging combustible solids to rotary kilns29US 5,078,594 AAsh Grove Cement Company · 1992