F22G 3/002
With helical steam tubes
Official title: {with helical steam tubes}
F22G3/002 (With helical steam tubes) appears on 5 US grants and 8 published applications in this corpus.
Search patents in F22G- Granted patents
- 5
- Published applications
- 8
- Assignees
- 5
- Inventors
- 9
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Superheated steam generator17 May 2022US 11,333,351 B2Tokuden Co., Ltd.
- Steam generation24 Nov 2020US 10,845,131 B2Clean Thermodynamic Energy Conversion Ltd
- Evaporator with integrated heat recovery24 Mar 2020US 10,598,049 B2Enviro Power, Inc.
- Method and device for generating superheated steam from a working medium22 Oct 2019US 10,451,270 B2NETZSCH Trockenmahltechnik GmbH
- Steam generation24 Apr 2018US 9,952,003 B2Clean Thermodynamic Energy Conversion Ltd
- Superheated steam generator21 May 2026US 2026/0139828 A1Tokuden Co., Ltd.
- Superheated steam generator21 May 2026US 2026/0139829 A1Tokuden Co., Ltd.
- Superheated steam generator12 Mar 2020US 2020/0080719 A1Tokuden Co., Ltd.
- Evaporator with Integrated Heat Recovery13 Jun 2019US 2019/0178109 A1Enviro Power, Inc.
- Method And Device For Generating Superheated Steam From A Working Medium17 Aug 2017US 2017/0234528 A1NETZSCH Trockenmahltechnik GmbH
Most cited
By later US patents