F03B 15/10
Without retroactive action
Official title: without retroactive action
F03B15/10 (Without retroactive action) appears on 3 US grants and 4 published applications in this corpus.
Search patents in F03B- Granted patents
- 3
- Published applications
- 4
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 15 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
- Method for operating a hydraulic machine and corresponding installation for converting hydraulic energy into electrical energy15 Feb 2022US 11,248,578 B2
- Movable-blade operation system for hydraulic machine6 Apr 2021US 10,968,882 B2Kabushiki Kaisha Toshiba
- Method for stabilizing the rotation speed of a hydraulic machine with S-characteristics and installation for converting hydraulic energy into electrical energy17 Sep 2019US 10,415,540 B2
- Method for operating a hydraulic machine and corresponding installation for converting hydraulic energy into electrical energy19 Mar 2020US 2020/0088152 A1GE Renewable Technologies
- Movable-blade operation system for hydraulic machine27 Sep 2018US 2018/0274515 A1Kabushiki Kaisha Toshiba
- Method for stabilizing the rotation speed of a hydraulic machine with s-characteristics and installation for converting hydraulic energy into electrical energy21 Sep 2017US 2017/0268478 A1ALSTOM Renewable Technologies
- Sewer energy mill system9 Feb 2012US 2012/0032451 A1
Most cited
By later US patents
- Method for stabilizing the rotation speed of a hydraulic machine with S-characteristics and installation for converting hydraulic energy into electrical energy1US 10,415,540 B22019
- Method for operating a hydraulic machine and corresponding installation for converting hydraulic energy into electrical energy1US 11,248,578 B22022