F04D 13/023
For reducing start torque
Official title: {for reducing start torque}
F04D13/023 (For reducing start torque) appears on 4 US grants and 5 published applications in this corpus.
Search patents in F04D- Granted patents
- 4
- Published applications
- 5
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Dual pump group with mechanical drive comprising a centrifugal clutch13 Aug 2020US 2020/0256240 A1Industrie Saleri Italo S.p.A.
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Most cited
By later US patents