F27D 17/22
For removing solid constituents
Official title: for removing solid constituents
F27D17/22 (For removing solid constituents) appears on 113 US grants and 132 published applications in this corpus.
Search patents in F27D- Granted patents
- 113
- Published applications
- 132
- Assignees
- 122
- Inventors
- 365
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 8 |
| 2009 | 0 | 3 |
| 2010 | 5 | 8 |
| 2011 | 5 | 6 |
| 2012 | 4 | 4 |
| 2013 | 3 | 8 |
| 2014 | 8 | 11 |
| 2015 | 6 | 6 |
| 2016 | 4 | 5 |
| 2017 | 10 | 10 |
| 2018 | 8 | 4 |
| 2019 | 2 | 5 |
| 2020 | 3 | 6 |
| 2021 | 4 | 8 |
| 2022 | 4 | 4 |
| 2023 | 5 | 7 |
| 2024 | 4 | 7 |
| 2025 | 6 | 8 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for smelting and regenerating phosphogypsum using high-temperature ceramsite and method for using same8 Sep 2026US 12,729,157 B2Hubei Juhai Environmental Technology Co., Ltd.
- Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles10 Feb 2026US 12,546,535 B2Taiyo Nippon Sanso Corporation
- Cement clinker production system and cement clinker production method6 Jan 2026US 12,515,985 B2Taiheiyo Cement Corporation
- Method for preparing high-purity metal lithium by vacuum thermal reduction method30 Dec 2025US 12,509,746 B2Sichuan Union Shine New Energy Sci-Tech Co., Ltd
- System for treating tin smelting intermediate materials and method for treating same9 Dec 2025US 12,492,446 B2Kunming University of Science and Technology
- Method of producing reduced iron16 Jul 2026US 2026/0201485 A1Jfe Steel Corporation
- Method of producing reduced iron16 Jul 2026US 2026/0201486 A1Jfe Steel Corporation
- A pfr lime kiln provided with a nox abatement system16 Jul 2026US 2026/0202132 A1Yara International Asa
- Blast furnace gas pressure swing adsorption carbon dioxide capture system coupled with compressed energy storage9 Jul 2026US 2026/0192238 A1Hebei Chuangjie Environmental Protection Engineering Co., Ltd.
- Calcination apparatus and processes9 Jul 2026US 2026/0192270 A1The University of Adelaide
Most cited
By later US patents
- Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity110US 5,640,709 AMolten Metal Technology, Inc. · 1997
- Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity108US 5,640,706 AMolten Metal Technology, Inc. · 1997
- System for treating and recovering energy from exhaust gases100US 4,126,000 A1978
- System and method for treating dust contained in extracted cement kiln combustion gas76US 7,749,311 B2Taiheiyo Cement Corporation · 2010
- Apparatus for continuous feed material melting32US 5,785,923 ABattelle Memorial Institute · 1998