F23K 2900/03001
Airlock sections in solid fuel supply lines
F23K2900/03001 (Airlock sections in solid fuel supply lines) appears on 7 US grants and 11 published applications in this corpus.
Search patents in F23K- Granted patents
- 7
- Published applications
- 11
- Assignees
- 11
- Inventors
- 25
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Feeder and method for feeding raw material comprising plastic21 Apr 2026US 12,607,350 B2Teknologian tutkimuskeskus VTT Oy
- Infeed system for hydrolyzer6 May 2025US 12,290,847 B2Bouldin Corporation
- Bin system and char recovery unit1 Dec 2015US 9,199,806 B2Mitsubishi Hitachi Power Systems, Ltd.
- Piston member, an apparatus comprising the piston member, and methods and use of the piston member and the apparatus13 May 2014US 8,721,299 B2ThermoChem Recovery International, Inc.
- Cellular wheel sluice8 Feb 2011US 7,882,992 B2Schenck Process LLC
- Infeed system for hydrolyzer17 Jul 2025US 2025/0229307 A1Bouldin Corporation
- Infeed system for hydrolyzer26 Sep 2024US 2024/0316607 A1Bouldin Corporation
- Feeder and method for feeding raw material comprising plastic5 Oct 2023US 2023/0313987 A1Teknologian tutkimuskeskus VTT Oy
- Device and method for conveying bulk material into a pressure chamber25 Jan 2018US 2018/0022554 A1Schenck Process Europe GmbH
- Bin system and char recovery unit6 Jun 2013US 2013/0140168 A1Mitsubishi Hitachi Power Systems, Ltd.
Most cited
By later US patents
- Pellet fuel burner for heating and drying systems29US 5,893,358 APyro Industries, Inc. · 1999
- Piston member, an apparatus comprising the piston member, and methods and use of the piston member and the apparatus27US 8,721,299 B2ThermoChem Recovery International, Inc. · 2014
- Cellular wheel sluice3US 7,882,992 B2Schenck Process LLC · 2011
- Bin system and char recovery unit2US 9,199,806 B2Mitsubishi Hitachi Power Systems, Ltd. · 2015
- Process and apparatus for disposal of wastes1US 7,392,753 B2Tokyo Elex Co., Ltd. · 2008