F27D 15/028
Comprising a rotary drum
Official title: {comprising a rotary drum}
F27D15/028 (Comprising a rotary drum) appears on 16 US grants and 11 published applications in this corpus.
Search patents in F27D- Granted patents
- 16
- Published applications
- 11
- Assignees
- 15
- Inventors
- 27
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat treatment apparatus24 Feb 2026US 12,559,811 B2Noritake Co., Limited
- Rotary tube apparatus4 Jun 2024US 12,000,655 B2Grenzebach Bsh GmbH
- Rotary cooler and method for operating a rotary cooler20 Dec 2022US 11,530,881 B2Allgaier Werke GmbH
- Rotary bottom ash regeneration system26 Jun 2018US 10,005,055 B2General Electric Technology GmbH
- Rotary bottom ash regeneration system7 Jul 2015US 9,074,767 B2ALSTOM Technology Ltd
- Calcined clay cooler11 Sep 2025US 2025/0283665 A1
- Cooling apparatus8 Aug 2024US 2024/0263879 A1Material Handling Technology S.R.L.
- Heat treatment apparatus21 Dec 2023US 2023/0407426 A1Noritake Co., Limited
- Cooling apparatus of hot briquetted iron9 Dec 2021US 2021/0381770 A1Jeil Machinery Co., Ltd.
- Rotary tube apparatus15 Jul 2021US 2021/0215428 A1Grenzebach Bsh GmbH
Most cited
By later US patents
- Lifting element for pipe coolers for material produced at least partially in lumps9US 4,668,183 AGieberei Kohlscheid GmbH · 1987
- Method and apparatus for treating a layer of bulk material9US 7,114,612 B2Claudius Peters Technologies GmbH · 2006
- Spray tubing within a rotating drum supported independently of the drum7US 4,044,951 AAllis-Chalmers Corporation · 1977
- Rotary kiln7US 5,580,242 ABabcock-BSH GmbH · 1996
- Revolving grate cooler for cooling of clinker or similar products5US 5,018,968 A1991