F28G 1/08
Non-rotary: having scrapers, hammers, or cutters
Official title: having scrapers, hammers, or cutters, e.g. rigidly mounted
F28G1/08 (Non-rotary: having scrapers, hammers, or cutters) appears on 41 US grants and 40 published applications in this corpus.
Search patents in F28G- Granted patents
- 41
- Published applications
- 40
- Assignees
- 40
- Inventors
- 117
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 3 | 4 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 4 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 4 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for removing foreign object from heat transfer tube19 Aug 2025US 12,390,938 B2Doosan Enerbility Co., Ltd.
- Exhaust heat recovery boiler31 Oct 2023US 11,802,744 B2Kawasaki Jukogyo Kabushiki Kaisha
- Systems and methods of using cleaning robots for removing deposits from heat exchange surfaces of boilers and heat exchangers10 Jan 2023US 11,549,766 B2Sidel Global Environmental LLC
- Cooling device for reducing the temperature of cooked warm food held in a container, in particular in a standard trolley15 Jun 2021US 11,035,630 B2
- Waste heat boiler2 Feb 2021US 10,907,822 B2Anhui Conch Kawasaki Energy Conservation Equipment Manufacturing Co., Ltd.
- Wastewater heat exchanger27 Aug 2026US 2026/0251411 A1
- Heatsink debris detection and dislodging2 Oct 2025US 2025/0305782 A1International Business Machines Corporation
- Systems, methods and devices for cooling tower maintenance and repair9 Jan 2025US 2025/0012508 A1
- Device and method for removing foreign object from heat transfer tube1 Aug 2024US 2024/0255242 A1Doosan Enerbility Co., Ltd.
- Modular crystallisation device18 Jul 2024US 2024/0238695 A1Cool Separations B.V.
Most cited
By later US patents