F27D 17/25
Using cyclones
Official title: using cyclones
F27D17/25 (Using cyclones) appears on 36 US grants and 43 published applications in this corpus.
Search patents in F27D- Granted patents
- 36
- Published applications
- 43
- Assignees
- 38
- Inventors
- 132
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 3 | 3 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 0 | 5 |
| 2025 | 4 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Flat push hot car for foundry coke and associated systems and methods9 Sep 2025US 12,410,369 B2Suncoke Technology and Development LLC
- Calcination apparatus and processes9 Jul 2026US 2026/0192270 A1The University of Adelaide
- Flat push hot car for foundry coke and associated systems and methods29 Jan 2026US 2026/0028533 A1Suncoke Technology and Development LLC
- Powder-Gas Heat Exchanger and Applications Thereof13 Nov 2025US 2025/0346525 A1Calix, Inc.
- Process for decarbonation of carbonated materials and device thereof19 Jun 2025US 2025/0197278 A1FLSmidth A/S
- Flat push hot car for foundry coke and associated systems and methods22 May 2025US 2025/0163329 A1Suncoke Technology and Development LLC
Most cited
By later US patents
- 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
- Method and device for removing solid residues from a gas purification installation23US 5,489,166 APaul Wurth S. A. · 1996
- Plasma furnace inert gas recycling system and process22US 4,845,334 AOregon Metallurgical Corporation · 1989
- Draft control method and apparatus for material processing plants19US 5,160,259 AHauck Manufacturing Company · 1992