F26B 11/0418
The subdivision consisting of a plurality of parallel tubes
Official title: {the subdivision consisting of a plurality of parallel tubes, e.g. through which the material to be dried is conveyed in single or multi-pass fashion (sector-shaped tubes F26B11/0409)}
F26B11/0418 (The subdivision consisting of a plurality of parallel tubes) appears on 4 US grants and 4 published applications in this corpus.
Search patents in F26B- Granted patents
- 4
- Published applications
- 4
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
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| 1990 | 0 | 0 |
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| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus and method for drying material and asphalt mixing facility having such an apparatus18 Nov 2025US 12,474,118 B2Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Food waste treatment apparatus5 Feb 2019US 10,196,802 B2LG Electronics Inc.
- Method and apparatus for making asphalt concrete using aggregate material from a plurality of material streams2 Jan 2018US 9,855,677 B2Astec, Inc.
- Rotating heat exchanger3 Apr 1979US 4,146,975 AFives-Cail Babcock
- Apparatus and method for drying material and asphalt mixing facility having such an apparatus30 Mar 2023US 2023/0098621 A1Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Food waste treatment apparatus31 Dec 2015US 2015/0376882 A1LG Electronics Inc.
- Apparatus and method for tube dryer22 Oct 2015US 2015/0300738 A1Astec, Inc.
- Method and apparatus for making asphalt concrete using aggregate material from a plurality of material streams29 Jan 2015US 2015/0029809 A1Astec, Inc.
Most cited
By later US patents