F05B 2260/305
Reducing friction between regenerative impeller discs and casing walls
F05B2260/305 (Reducing friction between regenerative impeller discs and casing walls) appears on 4 US grants and 5 published applications in this corpus.
Search patents in F05B- Granted patents
- 4
- Published applications
- 5
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Sound vibration and friction limiting turbine generator gyroscope method and apparatus10 Feb 2026US 12,546,287 B2Airborne Motorworks Inc.
- Friction limiting turbine generator gyroscope method and apparatus22 Nov 2022US 11,506,178 B2Airborne Motor Works Inc.
- Impeller and centrifugal pump31 May 2022US 11,346,358 B2Mikuni Corporation
- Hydraulic motor10 May 2022US 11,325,156 B2
- Sound vibration and friction limiting turbine generator gyroscope method and apparatus25 Jan 2024US 2024/0026860 A1Airborne Motorworks Inc.
- Friction limiting turbine generator gyroscope method and apparatus23 Mar 2023US 2023/0088470 A1Airborne Motor Works Inc.
- Hydraulic motor2 Dec 2021US 2021/0370349 A1
- Friction limiting turbine generator gyroscope method and apparatus9 Sep 2021US 2021/0277870 A1Airborne Motor Works Inc.
- Impeller and centrifugal pump3 Dec 2020US 2020/0378405 A1Mikuni Corporation
Most cited
By later US patents