F23D 2900/3102
Preheating devices
Official title: Preheating devices; Starting devices
F23D2900/3102 (Preheating devices) appears on 4 US grants and 12 published applications in this corpus.
Search patents in F23D- Granted patents
- 4
- Published applications
- 12
- Assignees
- 8
- Inventors
- 29
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 4 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Recovery boiler startup burner assembly31 Mar 2026US 12,590,412 B2Andritz Inc.
- Burner system and method of operation30 Jul 2024US 12,050,008 B2Spark Thermionics, Inc.
- Meltable fuel gas generation apparatus and methods18 Sep 2012US 8,268,027 B2
- Reliable ignition of hot oxygen generator31 Jan 2012US 8,105,074 B2Praxair Technology, Inc.
- Ammonia preheating flow-controllable low-nitrogen ammonia-coal co-firing burner25 Jun 2026US 2026/0177236 A1China Datang Corporation Science and Technology General Research Institute
- Recovery boiler startup burner assembly19 Dec 2024US 2024/0417927 A1Andritz Inc.
- Recuperator burner with a recuperator for guiding counter-flowing fluids8 Aug 2024US 2024/0263779 A1Kueppers Solutions GmbH
- Carbon-dioxide supplier11 Jul 2024US 2024/0230082 A9
- Carbon-dioxide supplier25 Apr 2024US 2024/0133548 A1
Most cited
By later US patents