F27D 17/28
For cooling waste gases
Official title: for cooling waste gases
F27D17/28 (For cooling waste gases) appears on 50 US grants and 55 published applications in this corpus.
Search patents in F27D- Granted patents
- 50
- Published applications
- 55
- Assignees
- 64
- Inventors
- 164
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 6 |
| 2008 | 0 | 5 |
| 2009 | 2 | 4 |
| 2010 | 2 | 6 |
| 2011 | 4 | 4 |
| 2012 | 3 | 4 |
| 2013 | 1 | 0 |
| 2014 | 3 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 3 |
| 2025 | 1 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel making plant with electric arc furnace21 Apr 2026US 12,607,409 B2SMS group GmbH
- Process and system for waste heat recovery from a flue gas generator24 Mar 2026US 12,584,628 B1Black Swan, LLC
- Device for producing supplementary cementitious material4 Nov 2025US 12,459,861 B2Cemgreen APS
- Adjustable heat exchange apparatus and method of use1 Sep 2020US 10,760,854 B2Amerifab, Inc.
- Pneumatic ore charging2 Jul 2019US 10,337,076 B2Primetals Technologies Austria GmbH
- Method for manufacturing cement clinker10 Sep 2026US 2026/0265128 A1HSustainability GmbH
- Method of producing reduced iron16 Jul 2026US 2026/0201485 A1Jfe Steel Corporation
- Method of producing reduced iron16 Jul 2026US 2026/0201486 A1Jfe Steel Corporation
- Method for reducing nitrogen oxide emission and combustion system16 Jul 2026US 2026/0202054 A1China Petroleum & Chemical Corporation
- Gas cooling apparatus and heat furnace16 Apr 2026US 2026/0104207 A1Laplace Renewable Energy Technology Co., Ltd.
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
- Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same30US 5,453,115 ADeutsche Voest-Alpine Industrieanlagenbau GmbH · 1995
- Method of cleaning gas from solid and gaseous matter and apparatus materializing same25US 4,957,512 A1990
- Method and apparatus for reducing NO.sub.x emissions in industrial thermal processes17US 5,052,921 ASouthern California Gas Company · 1991