F23G 5/48
Preventing corrosion
F23G5/48 (Preventing corrosion) appears on 43 US grants and 35 published applications in this corpus.
Search patents in F23G- Granted patents
- 43
- Published applications
- 35
- Assignees
- 36
- Inventors
- 122
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for gas-solid separation15 Jul 2025US 12,357,931 B2National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
- Method for inhibiting high temperature corrosion of heat exchange surface of biomass boiler28 May 2024US 11,994,286 B2Zhejiang University
- Heat exchange tube of waste heat boiler24 Oct 2023US 11,796,170 B2Zhejiang University
- Furnace floor protection in recovery boilers15 Mar 2022US 11,274,824 B2Varo Teollisuuspalvelut Oy
- Systems and methods for reducing corrosion in a reactor system using fluid encasement20 Feb 2018US 9,896,633 B2Empire Technology Development LLC
- Corrosion-inhibited organic waste supercritical hydrothermal combustion treatment system30 Jul 2026US 2026/0218899 A1Xi' An Jiaotong University
- Device for gas-solid separation19 Jun 2025US 2025/0196034 A1National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
- Mineral Additive Blend Compositions and Methods for Operating Waste to Energy Combustors for Improving their Operational Performance and Availability, Protecting Combustor Materials and Equipment, Improving Ash Quality and Avoiding Combustion Problems15 Jun 2023US 2023/0184432 A1ImerTech SAS
- Heat exchange tube of waste heat boiler4 Aug 2022US 2022/0243908 A1Zhejiang University
- Method for inhibiting high temperature corrosion of heat exchange surface of biomass boiler14 Apr 2022US 2022/0113022 A1Zhejiang University
Most cited
By later US patents
- Incinerator for burning waste and a method of utilizing same41US 4,308,806 ABabcock-Hitachi Kabushiki Kaisha · 1982
- Process for increasing the effectiveness of slag and/or corrosion control chemicals for combustion units34US 5,894,806 AFuel Tech, Inc. · 1999
- Incineration process30US 4,753,181 A1988
- Process for increasing the effectiveness of slag control chemicals for black liquor recovery and other combustion units22US 5,740,745 ANalco Fuel Tech · 1998
- Incinerator for burning waste and a method of utilizing same21US 4,177,742 ABabcock-Hitachi Kabushiki Kaisha · 1979