F27B 7/386
Rotary-drum cooler
Official title: {Rotary-drum cooler}
F27B7/386 (Rotary-drum cooler) appears on 12 US grants and 12 published applications in this corpus.
Search patents in F27B- Granted patents
- 12
- Published applications
- 12
- Assignees
- 19
- Inventors
- 45
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ball mill cooling system and method8 Oct 2024US 12,109,570 B2Clarios Germany GmbH & Co. KG
- Rotary cooler and method for operating a rotary cooler20 Dec 2022US 11,530,881 B2Allgaier Werke GmbH
- Device for producing semi-solid slurry3 Jul 2018US 10,012,442 B2Nanchang University
- Device for cooling the opening of a rotary kiln by means of cool air-blowing29 Aug 2017US 9,746,243 B2Fives Fcb
- Method for producing hot briquette iron using high-temperature reduced iron and method and apparatus for controlling temperature of reduced iron for hot forming3 Jan 2012US 8,088,194 B2Kobe Steel, Ltd.
- Granular solids cooling line30 Jul 2026US 2026/0218983 A1Fives Fcb
- Rotary sintering furnace20 Nov 2025US 2025/0354756 A1Guangzhou Tinci Materials Technology Co., Ltd.
- Apparatus and method for manufacturing a product25 Sep 2025US 2025/0297807 A1Refractory Intellectual Property GmbH & Co.KG
- Calcined clay cooler11 Sep 2025US 2025/0283665 A1
- Ball mill cooling system and method23 Jan 2025US 2025/0025884 A1Clarios Germany GmbH & Co. KG
Most cited
By later US patents
- Lightweight aggregate from flyash and sewage sludge44US 5,342,442 AWisconsin Electric Power Company · 1994
- Lightweight aggregate from flyash and sewage sludge30US 5,057,009 AWisconsin Electric Power Company · 1991
- Rotary thermal oxidizer for battery recycling and process8US 6,228,143 B1The International Metals Reclamation Company, Inc. · 2001
- Baffles for tube coolers, rotary tubular kilns or the like4US 4,995,809 AKloeckner-Humboldt-Deutz AG · 1991
- Rotary cooler and method for operating a rotary cooler2US 11,530,881 B2Allgaier Werke GmbH · 2022